<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
  <url>
    <loc>https://www.vysn.com/products/from-physics-to-philosophy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h8edacyVA-9780521154475.webp?v=1783108881</image:loc>
      <image:title>From Physics to Philosophy - Paperback</image:title>
      <image:caption>From Physics to Philosophy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biology-of-citrus-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/znKs7st-JJ9780521054249.webp?v=1783108905</image:loc>
      <image:title>The Biology of Citrus - Paperback</image:title>
      <image:caption>The Biology of Citrus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elements-of-advanced-quantum-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9PqLBYTfAQ9780521099493.webp?v=1783108890</image:loc>
      <image:title>Elements of Advanced Quantum Theory - Paperback</image:title>
      <image:caption>Elements of Advanced Quantum Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/applied-nonlinear-optics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hlLqBSYyO_9780486453606.webp?v=1781478441</image:loc>
      <image:title>Applied Nonlinear Optics - Paperback</image:title>
      <image:caption>Applied Nonlinear Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physics-at-surfaces-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/W7ijPYvWg59780521347525.webp?v=1781515171</image:loc>
      <image:title>Physics at Surfaces - Paperback</image:title>
      <image:caption>Physics at Surfaces</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/waves-in-oceanic-and-coastal-waters-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sL75SIezLQ9780521129954.webp?v=1783108907</image:loc>
      <image:title>Waves in Oceanic and Coastal Waters - Paperback</image:title>
      <image:caption>Waves in Oceanic and Coastal Waters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biology-of-high-altitude-peoples-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OWN2a25Zd2QzZ0pLNDJaR0Q0ZjNUQT09.webp?v=1764464535</image:loc>
      <image:title>The Biology of High-Altitude Peoples - Paperback</image:title>
      <image:caption>The Biology of High-Altitude Peoples</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/statistical-mechanics-the-theory-of-the-properties-of-matter-in-equilibrium-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8qYuwz7RA-9780521093774.webp?v=1781514719</image:loc>
      <image:title>Statistical Mechanics: The Theory of the Properties of Matter in Equilibrium - Paperback</image:title>
      <image:caption>Statistical Mechanics: The Theory of the Properties of Matter in Equilibrium</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cryogenic-two-phase-flow-applications-to-large-scale-systems-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/O8ZHAm7pmK9780521168403.webp?v=1781515172</image:loc>
      <image:title>Cryogenic Two-Phase Flow: Applications to Large-Scale Systems - Paperback</image:title>
      <image:caption>Cryogenic Two-Phase Flow: Applications to Large-Scale Systems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-charged-particle-acceleration-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YgJS9hcyuj9780486498188.webp?v=1781479140</image:loc>
      <image:title>Principles of Charged Particle Acceleration - Paperback</image:title>
      <image:caption>Principles of Charged Particle Acceleration</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-error-correcting-codes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bBkTLtEZGk9780521131704.webp?v=1783108909</image:loc>
      <image:title>Fundamentals of Error-Correcting Codes - Paperback</image:title>
      <image:caption>Fundamentals of Error-Correcting Codes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/seabed-fluid-flow-the-impact-on-geology-biology-and-the-marine-environment-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1-0yqyHIZp9780521114202.webp?v=1783108890</image:loc>
      <image:title>Seabed Fluid Flow: The Impact on Geology, Biology and the Marine Environment - Paperback</image:title>
      <image:caption>Seabed Fluid Flow: The Impact on Geology, Biology and the Marine Environment</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/somatotyping-development-and-applications-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aGK3gyAxB_9780521359511.webp?v=1783110662</image:loc>
      <image:title>Somatotyping: Development and Applications - Paperback</image:title>
      <image:caption>Somatotyping: Development and Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-illustrated-guide-to-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rAGCqKuMsB9780521141000.webp?v=1783108869</image:loc>
      <image:title>An Illustrated Guide to Relativity - Paperback</image:title>
      <image:caption>An Illustrated Guide to Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/statistical-fluid-mechanics-volume-i-mechanics-of-turbulence-volume-1-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZnqKv_8SqO9780486458830.webp?v=1781478441</image:loc>
      <image:title>Statistical Fluid Mechanics, Volume I: Mechanics of Turbulence Volume 1 - Paperback</image:title>
      <image:caption>Statistical Fluid Mechanics, Volume I: Mechanics of Turbulence Volume 1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/who-speaks-for-the-climate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/277wBAiuaE9780521133050.webp?v=1783108910</image:loc>
      <image:title>Who Speaks for the Climate? - Paperback</image:title>
      <image:caption>Who Speaks for the Climate?</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-great-barrier-reef-history-science-heritage-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3IdflM-FqN9780521172790.webp?v=1781515173</image:loc>
      <image:title>The Great Barrier Reef: History, Science, Heritage - Paperback</image:title>
      <image:caption>The Great Barrier Reef: History, Science, Heritage</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/research-methods-for-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JOJiDtfCwF9780521145848.webp?v=1783108869</image:loc>
      <image:title>Research Methods for Science - Paperback</image:title>
      <image:caption>Research Methods for Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lacewings-in-the-crop-environment-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QF-XD-X3j89780521037297.webp?v=1783108891</image:loc>
      <image:title>Lacewings in the Crop Environment - Paperback</image:title>
      <image:caption>Lacewings in the Crop Environment</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-science-and-its-relations-with-philosophy-and-religion-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/E4leOGc0uT9780521093668.webp?v=1783108911</image:loc>
      <image:title>A History of Science and Its Relations with Philosophy and Religion - Paperback</image:title>
      <image:caption>A History of Science and Its Relations with Philosophy and Religion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sources-of-quantum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q1BaJhBjFm9780486458922.webp?v=1781478443</image:loc>
      <image:title>Sources of Quantum Mechanics - Paperback</image:title>
      <image:caption>Sources of Quantum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fabry-perot-interferometers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dsNN3arp0Y9780521368124.webp?v=1783110664</image:loc>
      <image:title>Fabry-Perot Interferometers - Paperback</image:title>
      <image:caption>Fabry-Perot Interferometers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/food-webs-and-container-habitats-the-natural-history-and-ecology-of-phytotelmata-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/75z-dAt1G89780521120005.webp?v=1783108892</image:loc>
      <image:title>Food Webs and Container Habitats: The Natural History and Ecology of Phytotelmata - Paperback</image:title>
      <image:caption>Food Webs and Container Habitats: The Natural History and Ecology of Phytotelmata</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/essential-quantum-optics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/F2sLbFN-An9780521145053.webp?v=1783108913</image:loc>
      <image:title>Essential Quantum Optics - Paperback</image:title>
      <image:caption>Essential Quantum Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/problems-in-quantum-mechanics-with-solutions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RuYiFQIBy39780521378505.webp?v=1781515174</image:loc>
      <image:title>Problems in Quantum Mechanics: With Solutions - Paperback</image:title>
      <image:caption>Problems in Quantum Mechanics: With Solutions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/selected-papers-on-quantum-electrodynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Q_lKi9XJWV9780486604442.webp?v=1781479141</image:loc>
      <image:title>Selected Papers on Quantum Electrodynamics - Paperback</image:title>
      <image:caption>Selected Papers on Quantum Electrodynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/restoration-ecology-a-synthetic-approach-to-ecological-research-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q3BcrD3keP9780521337281.webp?v=1781515161</image:loc>
      <image:title>Restoration Ecology: A Synthetic Approach to Ecological Research - Paperback</image:title>
      <image:caption>Restoration Ecology: A Synthetic Approach to Ecological Research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-modern-approach-to-critical-phenomena-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/j9sP8FIhCg9780521142380.webp?v=1783108914</image:loc>
      <image:title>A Modern Approach to Critical Phenomena - Paperback</image:title>
      <image:caption>A Modern Approach to Critical Phenomena</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/prehistoric-native-americans-and-ecological-change-human-ecosystems-in-eastern-north-america-since-the-pleistocene-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/in-BgQ-ZZg9780521050760.webp?v=1783108893</image:loc>
      <image:title>Prehistoric Native Americans and Ecological Change: Human Ecosystems in Eastern North America Since the Pleistocene - Paperback</image:title>
      <image:caption>Prehistoric Native Americans and Ecological Change: Human Ecosystems in Eastern North America Since the Pleistocene</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/marine-turbulence-theories-observations-and-models-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OMnyXO8cLQ9780521153720.webp?v=1783108871</image:loc>
      <image:title>Marine Turbulence: Theories, Observations, and Models - Paperback</image:title>
      <image:caption>Marine Turbulence: Theories, Observations, and Models</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/evolution-and-the-theory-of-games-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YSJf2WVIHN9780521288842.webp?v=1783110664</image:loc>
      <image:title>Evolution and the Theory of Games - Paperback</image:title>
      <image:caption>Evolution and the Theory of Games</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/theoretical-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k6LenwNGgo9780486609720.webp?v=1783105259</image:loc>
      <image:title>Theoretical Physics - Paperback</image:title>
      <image:caption>Theoretical Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cellular-materials-in-nature-and-medicine-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ss6md5icNR9780521195447.webp?v=1783108915</image:loc>
      <image:title>Cellular Materials in Nature and Medicine - Hardcover</image:title>
      <image:caption>Cellular Materials in Nature and Medicine</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/climate-change-in-prehistory-the-end-of-the-reign-of-chaos-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rHLdsK2OL9780521070102.webp?v=1783108893</image:loc>
      <image:title>Climate Change in Prehistory: The End of the Reign of Chaos - Paperback</image:title>
      <image:caption>Climate Change in Prehistory: The End of the Reign of Chaos</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-beginnings-of-the-nobel-institution-the-science-prizes-1901-1915-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bGVMW1aFj89780521347471.webp?v=1781515162</image:loc>
      <image:title>The Beginnings of the Nobel Institution: The Science Prizes, 1901-1915 - Paperback</image:title>
      <image:caption>The Beginnings of the Nobel Institution: The Science Prizes, 1901-1915</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-construction-of-modern-science-mechanisms-and-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FsKImz83HD9780521292955.webp?v=1783110666</image:loc>
      <image:title>The Construction of Modern Science: Mechanisms and Mechanics - Paperback</image:title>
      <image:caption>The Construction of Modern Science: Mechanisms and Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elementary-quantum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/l8MLhJc9vy9780486485966.webp?v=1781479142</image:loc>
      <image:title>Elementary Quantum Mechanics - Paperback</image:title>
      <image:caption>Elementary Quantum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-internal-constitution-of-the-stars-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3IQpH2w0sr9780521337083.webp?v=1781515200</image:loc>
      <image:title>The Internal Constitution of the Stars - Paperback</image:title>
      <image:caption>The Internal Constitution of the Stars</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-problem-of-the-earths-shape-from-newton-to-clairaut-the-rise-of-mathematical-science-in-eighteenth-century-paris-and-the-fall-of-normal-scienc-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6vxEz_xapn9780521130998.webp?v=1783108895</image:loc>
      <image:title>The Problem of the Earth&apos;s Shape from Newton to Clairaut: The Rise of Mathematical Science in Eighteenth-Century Paris and the Fall of &apos;Normal&apos; Scienc - Paperback</image:title>
      <image:caption>The Problem of the Earth&apos;s Shape from Newton to Clairaut: The Rise of Mathematical Science in Eighteenth-Century Paris and the Fall of &apos;Normal&apos; Scienc</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/buoyancy-effects-in-fluids-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4kFNPrmpsx9780521297264.webp?v=1783110666</image:loc>
      <image:title>Buoyancy Effects in Fluids - Paperback</image:title>
      <image:caption>Buoyancy Effects in Fluids</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-expanding-universe-astronomys-great-debate-1900-1931-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rojOplqq0n9780521349765.webp?v=1781515163</image:loc>
      <image:title>The Expanding Universe: Astronomy&apos;s &apos;Great Debate&apos;, 1900 1931 - Paperback</image:title>
      <image:caption>The Expanding Universe: Astronomy&apos;s &apos;Great Debate&apos;, 1900 1931</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lectures-on-fluid-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CAR8_LdjnC9780486488172.webp?v=1781479143</image:loc>
      <image:title>Lectures on Fluid Mechanics - Paperback</image:title>
      <image:caption>Lectures on Fluid Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/herbals-their-origin-and-evolution-a-chapter-in-the-history-of-botany-1470-1670-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vxyCg3ZUXM9780521338790.webp?v=1783110681</image:loc>
      <image:title>Herbals: Their Origin and Evolution, a Chapter in the History of Botany 1470-1670 - Paperback</image:title>
      <image:caption>Herbals: Their Origin and Evolution, a Chapter in the History of Botany 1470-1670</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/on-tychos-island-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/V2iP2fNCnN9780521008846.webp?v=1781514742</image:loc>
      <image:title>On Tycho&apos;s Island - Paperback</image:title>
      <image:caption>On Tycho&apos;s Island</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/advances-in-insect-chemical-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GfjlqJWt19780521188937.webp?v=1781515176</image:loc>
      <image:title>Advances in Insect Chemical Ecology - Paperback</image:title>
      <image:caption>Advances in Insect Chemical Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-foundations-of-newtons-alchemy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8lyux8jeBK9780521273817.webp?v=1783110657</image:loc>
      <image:title>The Foundations of Newton&apos;s Alchemy - Paperback</image:title>
      <image:caption>The Foundations of Newton&apos;s Alchemy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-science-studies-the-philosophical-and-social-aspects-of-science-and-technology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jG8lEC4Lpj9780521346801.webp?v=1783110682</image:loc>
      <image:title>An Introduction to Science Studies: The Philosophical and Social Aspects of Science and Technology - Paperback</image:title>
      <image:caption>An Introduction to Science Studies: The Philosophical and Social Aspects of Science and Technology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/optical-resonance-and-two-level-atoms-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XPhWecPop-9780486655338.webp?v=1781479144</image:loc>
      <image:title>Optical Resonance and Two-Level Atoms - Paperback</image:title>
      <image:caption>Optical Resonance and Two-Level Atoms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/thermodynamics-and-statistical-mechanics-paperback-2</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XoVfhCwY-I9780521093644.webp?v=1783108896</image:loc>
      <image:title>Thermodynamics and Statistical Mechanics - Paperback</image:title>
      <image:caption>Thermodynamics and Statistical Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-elements-of-aerofoil-and-airscrew-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2TKy-HxXD79780521274944.webp?v=1783110658</image:loc>
      <image:title>The Elements of Aerofoil and Airscrew Theory - Paperback</image:title>
      <image:caption>The Elements of Aerofoil and Airscrew Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dinosaur-tracks-and-traces-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9yifDLl4gF9780521407885.webp?v=1781515178</image:loc>
      <image:title>Dinosaur Tracks and Traces - Paperback</image:title>
      <image:caption>Dinosaur Tracks and Traces</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mesoscopic-physics-of-electrons-and-photons-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ml0tqO-9C19780521349475.webp?v=1781515201</image:loc>
      <image:title>Mesoscopic Physics of Electrons and Photons - Paperback</image:title>
      <image:caption>Mesoscopic Physics of Electrons and Photons</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/molecular-reaction-dynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LpqWC4bLD_9780521140713.webp?v=1783108897</image:loc>
      <image:title>Molecular Reaction Dynamics - Paperback</image:title>
      <image:caption>Molecular Reaction Dynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/weak-interactions-and-modern-particle-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5C9Tw_MKiI9780486469041.webp?v=1781478445</image:loc>
      <image:title>Weak Interactions and Modern Particle Theory - Paperback</image:title>
      <image:caption>Weak Interactions and Modern Particle Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plants-and-microclimate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/g5FvqyyCon9780521279598.webp?v=1783110658</image:loc>
      <image:title>Plants and Microclimate - Paperback</image:title>
      <image:caption>Plants and Microclimate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/numerical-weather-and-climate-prediction-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HtYPP8kOy39780521513890.webp?v=1783110667</image:loc>
      <image:title>Numerical Weather and Climate Prediction - Hardcover</image:title>
      <image:caption>Numerical Weather and Climate Prediction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/worldwide-variation-in-human-growth-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ywgYY_-XiQ9780521359160.webp?v=1781515202</image:loc>
      <image:title>Worldwide Variation in Human Growth - Paperback</image:title>
      <image:caption>Worldwide Variation in Human Growth</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/supergravity-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Yw497GXf5d9780521194013.webp?v=1783108898</image:loc>
      <image:title>Supergravity - Hardcover</image:title>
      <image:caption>Supergravity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamental-solutions-in-elastodynamics-a-compendium-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YlBCY543oJ9780521375993.webp?v=1783110660</image:loc>
      <image:title>Fundamental Solutions in Elastodynamics: A Compendium - Paperback</image:title>
      <image:caption>Fundamental Solutions in Elastodynamics: A Compendium</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/adaptive-filtering-prediction-and-control-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ax9Zp28-6M9780486469324.webp?v=1781478447</image:loc>
      <image:title>Adaptive Filtering Prediction and Control - Paperback</image:title>
      <image:caption>Adaptive Filtering Prediction and Control</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/networks-crowds-and-markets-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tGDCXSGnqo9780521195331.webp?v=1783108900</image:loc>
      <image:title>Networks, Crowds, and Markets - Hardcover</image:title>
      <image:caption>Networks, Crowds, and Markets</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecology-of-freshwater-molluscs-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CMgElSWtBV9780521359917.webp?v=1783110684</image:loc>
      <image:title>The Ecology of Freshwater Molluscs - Paperback</image:title>
      <image:caption>The Ecology of Freshwater Molluscs</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elasticity-tensor-dyadic-and-engineering-approaches-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZAApwZeWHT9780486669588.webp?v=1781479160</image:loc>
      <image:title>Elasticity: Tensor, Dyadic, and Engineering Approaches - Paperback</image:title>
      <image:caption>Elasticity: Tensor, Dyadic, and Engineering Approaches</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-fields-in-curved-space-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sIu6WU1wTX9780521278584.webp?v=1783110685</image:loc>
      <image:title>Quantum Fields in Curved Space - Paperback</image:title>
      <image:caption>Quantum Fields in Curved Space</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/boojums-all-the-way-through-communicating-science-in-a-prosaic-age-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tNMvTF75HY9780521388801.webp?v=1781515165</image:loc>
      <image:title>Boojums All the Way Through: Communicating Science in a Prosaic Age - Paperback</image:title>
      <image:caption>Boojums All the Way Through: Communicating Science in a Prosaic Age</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantitative-seismic-interpretation-applying-rock-physics-tools-to-reduce-interpretation-risk-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/s_oYWCTOms9780521151351.webp?v=1781515188</image:loc>
      <image:title>Quantitative Seismic Interpretation: Applying Rock Physics Tools to Reduce Interpretation Risk - Paperback</image:title>
      <image:caption>Quantitative Seismic Interpretation: Applying Rock Physics Tools to Reduce Interpretation Risk</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/x-ray-diffraction-in-crystals-imperfect-crystals-and-amorphous-bodies-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CJ2gLBVkAD9780486680118.webp?v=1781479146</image:loc>
      <image:title>X-Ray Diffraction: In Crystals, Imperfect Crystals, and Amorphous Bodies - Paperback</image:title>
      <image:caption>X-Ray Diffraction: In Crystals, Imperfect Crystals, and Amorphous Bodies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/seven-clues-to-the-origin-of-life-a-scientific-detective-story-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uQvoRDgNuq9780521398282.webp?v=1781515166</image:loc>
      <image:title>Seven Clues to the Origin of Life: A Scientific Detective Story - Paperback</image:title>
      <image:caption>Seven Clues to the Origin of Life: A Scientific Detective Story</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecology-of-freshwater-photoplankton-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9rg6F3Egko9780521282222.webp?v=1783110687</image:loc>
      <image:title>The Ecology of Freshwater Photoplankton - Paperback</image:title>
      <image:caption>The Ecology of Freshwater Photoplankton</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/nonlinear-dynamics-chaotic-and-complex-systems-proceedings-of-an-international-conference-held-in-zakopane-poland-november-7-12-1995-plenary-invi-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/r-YHsSqayE9780521152945.webp?v=1781515189</image:loc>
      <image:title>Nonlinear Dynamics, Chaotic and Complex Systems: Proceedings of an International Conference Held in Zakopane, Poland, November 7-12 1995, Plenary Invi - Paperback</image:title>
      <image:caption>Nonlinear Dynamics, Chaotic and Complex Systems: Proceedings of an International Conference Held in Zakopane, Poland, November 7-12 1995, Plenary Invi</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/energy-force-and-matter-the-conceptual-development-of-nineteenth-century-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GeVfJLcKfm9780521288125.webp?v=1781515203</image:loc>
      <image:title>Energy, Force and Matter: The Conceptual Development of Nineteenth-Century Physics - Paperback</image:title>
      <image:caption>Energy, Force and Matter: The Conceptual Development of Nineteenth-Century Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/non-marine-organic-geochemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nxHw3wjiM-9780521155106.webp?v=1781515190</image:loc>
      <image:title>Non-Marine Organic Geochemistry - Paperback</image:title>
      <image:caption>Non-Marine Organic Geochemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-crato-fossil-beds-of-brazil-window-into-an-ancient-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/klLODO2mWz9780521300803.webp?v=1781515168</image:loc>
      <image:title>The Crato Fossil Beds of Brazil: Window Into an Ancient World - Paperback</image:title>
      <image:caption>The Crato Fossil Beds of Brazil: Window Into an Ancient World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/structure-formation-in-astrophysics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nh7LiWWdtp9780521182744.webp?v=1781515205</image:loc>
      <image:title>Structure Formation in Astrophysics - Paperback</image:title>
      <image:caption>Structure Formation in Astrophysics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-community-and-lifestyle-outline-of-an-ecosophy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bmc6s70HiA9780521348737.webp?v=1781515191</image:loc>
      <image:title>Ecology, Community and Lifestyle: Outline of an Ecosophy - Paperback</image:title>
      <image:caption>Ecology, Community and Lifestyle: Outline of an Ecosophy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/radar-remote-sensing-of-planetary-surfaces-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qzxWGulA9T9780521189651.webp?v=1781515169</image:loc>
      <image:title>Radar Remote Sensing of Planetary Surfaces - Paperback</image:title>
      <image:caption>Radar Remote Sensing of Planetary Surfaces</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-and-values-the-aims-of-science-and-their-role-in-scientific-debate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xN9Pq5ldu29780520057432.webp?v=1781508616</image:loc>
      <image:title>Science and Values: The Aims of Science and Their Role in Scientific Debate - Paperback</image:title>
      <image:caption>Science and Values: The Aims of Science and Their Role in Scientific Debate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gauge-theories-of-weak-interactions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bHr8QLyaXH9780521295185.webp?v=1781515206</image:loc>
      <image:title>Gauge Theories of Weak Interactions - Paperback</image:title>
      <image:caption>Gauge Theories of Weak Interactions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-practical-guide-to-data-analysis-for-physical-science-students-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7ZMMgKBD8o9780521424639.webp?v=1781515170</image:loc>
      <image:title>A Practical Guide to Data Analysis for Physical Science Students - Paperback</image:title>
      <image:caption>A Practical Guide to Data Analysis for Physical Science Students</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/unsteady-transonic-flow-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vg4lBmfqUm9780521356640.webp?v=1783110676</image:loc>
      <image:title>Unsteady Transonic Flow - Paperback</image:title>
      <image:caption>Unsteady Transonic Flow</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mayo-ethnobotany-land-history-and-traditional-knowledge-in-northwest-mexico-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tmWfQiuK509780520227217.webp?v=1783105261</image:loc>
      <image:title>Mayo Ethnobotany: Land, History, and Traditional Knowledge in Northwest Mexico - Hardcover</image:title>
      <image:caption>Mayo Ethnobotany: Land, History, and Traditional Knowledge in Northwest Mexico</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-field-theory-of-non-equilibrium-states-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4GhcF815ep9780521188005.webp?v=1781515208</image:loc>
      <image:title>Quantum Field Theory of Non-Equilibrium States - Paperback</image:title>
      <image:caption>Quantum Field Theory of Non-Equilibrium States</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biophysics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3wHDQYy7-Y9780521172165.webp?v=1783108901</image:loc>
      <image:title>Biophysics - Paperback</image:title>
      <image:caption>Biophysics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/community-ecology-and-salamander-guilds-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aAj9l9-kzm9780521310819.webp?v=1783110689</image:loc>
      <image:title>Community Ecology and Salamander Guilds - Paperback</image:title>
      <image:caption>Community Ecology and Salamander Guilds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/foods-frontier-the-next-green-revolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h12GAdySxJ9780520232631.webp?v=1783105262</image:loc>
      <image:title>Food&apos;s Frontier: The Next Green Revolution - Paperback</image:title>
      <image:caption>Food&apos;s Frontier: The Next Green Revolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plankton-stratigraphy-volume-2-radiolaria-diatoms-silicoflagellates-dinoflagellates-and-ichthyoliths-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rnORelAtC69780521367202.webp?v=1781515192</image:loc>
      <image:title>Plankton Stratigraphy: Volume 2, Radiolaria, Diatoms, Silicoflagellates, Dinoflagellates and Ichthyoliths - Paperback</image:title>
      <image:caption>Plankton Stratigraphy: Volume 2, Radiolaria, Diatoms, Silicoflagellates, Dinoflagellates and Ichthyoliths</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/space-time-structure-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tSY0jm4s8E9780521315203.webp?v=1781515210</image:loc>
      <image:title>Space-Time Structure - Paperback</image:title>
      <image:caption>Space-Time Structure</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-political-landscape-constellations-of-authority-in-early-complex-polities-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dFFIvTnHy19780520237506.webp?v=1781508618</image:loc>
      <image:title>The Political Landscape: Constellations of Authority in Early Complex Polities - Paperback</image:title>
      <image:caption>The Political Landscape: Constellations of Authority in Early Complex Polities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/theory-of-shell-structures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bJ4mrSshF_9780521369459.webp?v=1781515193</image:loc>
      <image:title>Theory of Shell Structures - Paperback</image:title>
      <image:caption>Theory of Shell Structures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-phase-transitions-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QrowM_eYSO9780521514682.webp?v=1781515211</image:loc>
      <image:title>Quantum Phase Transitions - Hardcover</image:title>
      <image:caption>Quantum Phase Transitions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-in-russia-and-the-soviet-union-a-short-history-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/soRI5-pvIa9780521287890.webp?v=1781515195</image:loc>
      <image:title>Science in Russia and the Soviet Union: A Short History - Paperback</image:title>
      <image:caption>Science in Russia and the Soviet Union: A Short History</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/retrying-galileo-1633-1992-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fQivCqTyIW9780520253872.webp?v=1783107046</image:loc>
      <image:title>Retrying Galileo, 1633-1992 - Paperback</image:title>
      <image:caption>Retrying Galileo, 1633-1992</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/foundations-of-geomagnetism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h7lXDadDRF9780521017336.webp?v=1783108882</image:loc>
      <image:title>Foundations of Geomagnetism - Paperback</image:title>
      <image:caption>Foundations of Geomagnetism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/patterns-in-plant-development-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2l24wjQeCq9780521288958.webp?v=1781515196</image:loc>
      <image:title>Patterns in Plant Development - Paperback</image:title>
      <image:caption>Patterns in Plant Development</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/unpublished-scientific-papers-of-isaac-newton-a-selection-from-the-portsmouth-collection-in-the-university-library-cambridge-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8xk8u3AHdM9780521294362.webp?v=1783110677</image:loc>
      <image:title>Unpublished Scientific Papers of Isaac Newton: A Selection from the Portsmouth Collection in the University Library, Cambridge - Paperback</image:title>
      <image:caption>Unpublished Scientific Papers of Isaac Newton: A Selection from the Portsmouth Collection in the University Library, Cambridge</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/flow-cytometry-data-analysis-basic-concepts-and-statistics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/AftTowI4Y89780521019705.webp?v=1781514730</image:loc>
      <image:title>Flow Cytometry Data Analysis: Basic Concepts and Statistics - Paperback</image:title>
      <image:caption>Flow Cytometry Data Analysis: Basic Concepts and Statistics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elements-of-string-cosmology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EK0cnJfKRa9780521187985.webp?v=1781515197</image:loc>
      <image:title>Elements of String Cosmology - Paperback</image:title>
      <image:caption>Elements of String Cosmology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-large-scale-structure-of-space-time-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nrQer3LKwp9780521099066.webp?v=1781514731</image:loc>
      <image:title>The Large Scale Structure of Space-Time - Paperback</image:title>
      <image:caption>The Large Scale Structure of Space-Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/remote-sounding-of-atmospheres-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rUl-nS8KXa9780521310659.webp?v=1781515199</image:loc>
      <image:title>Remote Sounding of Atmospheres - Paperback</image:title>
      <image:caption>Remote Sounding of Atmospheres</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-chaos-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ag6DnfHoyg9780521031660.webp?v=1781514732</image:loc>
      <image:title>Quantum Chaos - Paperback</image:title>
      <image:caption>Quantum Chaos</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/early-physics-and-astronomy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0oGsEhva69780521408998.webp?v=1783110678</image:loc>
      <image:title>Early Physics and Astronomy - Paperback</image:title>
      <image:caption>Early Physics and Astronomy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biology-of-centipedes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YOeaClGxPP9780521034111.webp?v=1781514733</image:loc>
      <image:title>The Biology of Centipedes - Paperback</image:title>
      <image:caption>The Biology of Centipedes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mechanics-of-pre-industrial-technology-an-introduction-to-the-mechanics-of-ancient-and-traditional-material-culture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xQd8Ski-A19780521428712.webp?v=1783110680</image:loc>
      <image:title>Mechanics of Pre-Industrial Technology: An Introduction to the Mechanics of Ancient and Traditional Material Culture - Paperback</image:title>
      <image:caption>Mechanics of Pre-Industrial Technology: An Introduction to the Mechanics of Ancient and Traditional Material Culture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/assumption-and-myth-in-physical-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uDGKpYcDxZ9780521118064.webp?v=1783108882</image:loc>
      <image:title>Assumption and Myth in Physical Theory - Paperback</image:title>
      <image:caption>Assumption and Myth in Physical Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mathematical-foundations-of-imaging-tomography-and-wavefield-inversion-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bQIKaVpwPg9780521119740.webp?v=1783108882</image:loc>
      <image:title>Mathematical Foundations of Imaging, Tomography and Wavefield Inversion - Hardcover</image:title>
      <image:caption>Mathematical Foundations of Imaging, Tomography and Wavefield Inversion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-mathematical-papers-of-isaac-newton-volume-2-1667-1670-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ej79sEKMOz9780521045964.webp?v=1781514734</image:loc>
      <image:title>The Mathematical Papers of Isaac Newton: Volume 2, 1667-1670 - Paperback</image:title>
      <image:caption>The Mathematical Papers of Isaac Newton: Volume 2, 1667-1670</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-origins-of-native-americans-evidence-from-anthropological-genetics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ojn_S2VLKO9780521004107.webp?v=1781514734</image:loc>
      <image:title>The Origins of Native Americans: Evidence from Anthropological Genetics - Paperback</image:title>
      <image:caption>The Origins of Native Americans: Evidence from Anthropological Genetics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-natural-philosophy-of-james-clerk-maxwell-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/I3osWDPjos9780521005852.webp?v=1781514736</image:loc>
      <image:title>The Natural Philosophy of James Clerk Maxwell - Paperback</image:title>
      <image:caption>The Natural Philosophy of James Clerk Maxwell</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/understanding-fluid-flow-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uRCZkcpASS9780521132893.webp?v=1783108883</image:loc>
      <image:title>Understanding Fluid Flow - Paperback</image:title>
      <image:caption>Understanding Fluid Flow</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/pest-and-vector-control-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VQeq70-oEG9780521010832.webp?v=1781514738</image:loc>
      <image:title>Pest and Vector Control - Paperback</image:title>
      <image:caption>Pest and Vector Control</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-multiphase-flow-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4iTWR0UP7G9780521139984.webp?v=1783108885</image:loc>
      <image:title>Fundamentals of Multiphase Flow - Paperback</image:title>
      <image:caption>Fundamentals of Multiphase Flow</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/reservoir-geomechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aIflpepw69780521146197.webp?v=1783108886</image:loc>
      <image:title>Reservoir Geomechanics - Paperback</image:title>
      <image:caption>Reservoir Geomechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/coming-of-age-with-quantum-information-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QvSpzHgT1y9780521199261.webp?v=1783108887</image:loc>
      <image:title>Coming of Age With Quantum Information - Hardcover</image:title>
      <image:caption>Coming of Age With Quantum Information</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-uses-of-experiment-studies-in-the-natural-sciences-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/E8Pe37dfcl9780521337687.webp?v=1783110668</image:loc>
      <image:title>The Uses of Experiment: Studies in the Natural Sciences - Paperback</image:title>
      <image:caption>The Uses of Experiment: Studies in the Natural Sciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-optical-papers-of-isaac-newton-volume-1-the-optical-lectures-1670-1672-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yGBDoNWBqi9780521155090.webp?v=1781515178</image:loc>
      <image:title>The Optical Papers of Isaac Newton: Volume 1, the Optical Lectures 1670-1672 - Paperback</image:title>
      <image:caption>The Optical Papers of Isaac Newton: Volume 1, the Optical Lectures 1670-1672</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/particle-physics-a-los-alamos-primer-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hKuJ9SCllW9780521347808.webp?v=1783110670</image:loc>
      <image:title>Particle Physics: A Los Alamos Primer - Paperback</image:title>
      <image:caption>Particle Physics: A Los Alamos Primer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-nuclear-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TYbOoRQcC89780521269940.webp?v=1781515180</image:loc>
      <image:title>Fundamentals of Nuclear Physics - Paperback</image:title>
      <image:caption>Fundamentals of Nuclear Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/equilibrium-thermodynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6TPjxbeRK49780521274562.webp?v=1783110671</image:loc>
      <image:title>Equilibrium Thermodynamics - Paperback</image:title>
      <image:caption>Equilibrium Thermodynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/observational-astrophysics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WgblQEa9u39780521278348.webp?v=1781515182</image:loc>
      <image:title>Observational Astrophysics - Paperback</image:title>
      <image:caption>Observational Astrophysics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chondrules-and-the-protoplanetary-disk-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/voS3_mbx8e9780521174893.webp?v=1781515183</image:loc>
      <image:title>Chondrules and the Protoplanetary Disk - Paperback</image:title>
      <image:caption>Chondrules and the Protoplanetary Disk</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/modern-cosmology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Qq-860YDrW9780521287210.webp?v=1781515184</image:loc>
      <image:title>Modern Cosmology - Paperback</image:title>
      <image:caption>Modern Cosmology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecological-implications-of-body-size-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/m5_lneFQrr9780521288866.webp?v=1783110672</image:loc>
      <image:title>The Ecological Implications of Body Size - Paperback</image:title>
      <image:caption>The Ecological Implications of Body Size</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/man-and-nature-in-the-renaissance-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7zmRkGjX_c9780521293280.webp?v=1781515186</image:loc>
      <image:title>Man and Nature in the Renaissance - Paperback</image:title>
      <image:caption>Man and Nature in the Renaissance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-life-scientists-guide-to-physical-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JL72YTwz1M9780521186964.webp?v=1783108887</image:loc>
      <image:title>A Life Scientist&apos;s Guide to Physical Chemistry - Paperback</image:title>
      <image:caption>A Life Scientist&apos;s Guide to Physical Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plants-and-the-k-t-boundary-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QcL5cBDYX9780521305631.webp?v=1781515187</image:loc>
      <image:title>Plants and the K-T Boundary - Paperback</image:title>
      <image:caption>Plants and the K-T Boundary</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forces-of-nature-paperback-2</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/svihCblPNp9780521313926.webp?v=1783110674</image:loc>
      <image:title>Forces of Nature - Paperback</image:title>
      <image:caption>Forces of Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dark-energy-theory-and-observations-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MLHPjW3PJr9780521516006.webp?v=1783110690</image:loc>
      <image:title>Dark Energy: Theory and Observations - Hardcover</image:title>
      <image:caption>Dark Energy: Theory and Observations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-three-cultures-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h7D1UTluur9780521518420.webp?v=1783110714</image:loc>
      <image:title>The Three Cultures - Hardcover</image:title>
      <image:caption>The Three Cultures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/string-theory-and-particle-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8Lqsg02Zh_9780521517522.webp?v=1783110708</image:loc>
      <image:title>String Theory and Particle Physics - Hardcover</image:title>
      <image:caption>String Theory and Particle Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/soil-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Qz5nv_PxMS9780521435215.webp?v=1781515216</image:loc>
      <image:title>Soil Ecology - Paperback</image:title>
      <image:caption>Soil Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einsteins-mirror-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0grSQzMLzv9780521435321.webp?v=1783110700</image:loc>
      <image:title>Einstein&apos;s Mirror - Paperback</image:title>
      <image:caption>Einstein&apos;s Mirror</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geomorphology-paperback-2</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/j0APzRPICQ9780521519786.webp?v=1783110695</image:loc>
      <image:title>Geomorphology - Paperback</image:title>
      <image:caption>Geomorphology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/theory-of-space-plasma-microinstabilities-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ysMY1nD6yN9780521437486.webp?v=1781515212</image:loc>
      <image:title>Theory of Space Plasma Microinstabilities - Paperback</image:title>
      <image:caption>Theory of Space Plasma Microinstabilities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dispersal-ecology-42nd-symposium-of-the-british-ecological-society-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Fx7yWViuA19780521549318.webp?v=1783110715</image:loc>
      <image:title>Dispersal Ecology: 42nd Symposium of the British Ecological Society - Paperback</image:title>
      <image:caption>Dispersal Ecology: 42nd Symposium of the British Ecological Society</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dinosaur-systematics-approaches-and-perspectives-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OH9EY24PYG9780521438100.webp?v=1781515220</image:loc>
      <image:title>Dinosaur Systematics: Approaches and Perspectives - Paperback</image:title>
      <image:caption>Dinosaur Systematics: Approaches and Perspectives</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/worlds-beyond-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rt-LZznYQN9780521520010.webp?v=1781515224</image:loc>
      <image:title>Worlds Beyond - Paperback</image:title>
      <image:caption>Worlds Beyond</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecology-of-insect-overwintering-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ckFxN3dCdnFrZ1l1SnhNb0ZzUnhYUT09.webp?v=1781515844</image:loc>
      <image:title>The Ecology of Insect Overwintering - Paperback</image:title>
      <image:caption>The Ecology of Insect Overwintering</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-quantum-optics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wAbAvOaRMb9780521551120.webp?v=1781515807</image:loc>
      <image:title>Introduction to Quantum Optics - Hardcover</image:title>
      <image:caption>Introduction to Quantum Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/in-search-of-the-ultimate-building-blocks-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YlHlfPsR8C9780521550833.webp?v=1781515797</image:loc>
      <image:title>In Search of the Ultimate Building Blocks - Hardcover</image:title>
      <image:caption>In Search of the Ultimate Building Blocks</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-physics-of-fluids-and-plasmas-an-introduction-for-astrophysicists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kb5VpLk6dT9780521555432.webp?v=1781515820</image:loc>
      <image:title>The Physics of Fluids and Plasmas: An Introduction for Astrophysicists - Paperback</image:title>
      <image:caption>The Physics of Fluids and Plasmas: An Introduction for Astrophysicists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/speakable-and-unspeakable-in-quantum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gIHl7Cw43F9780521523387.webp?v=1783110708</image:loc>
      <image:title>Speakable and Unspeakable in Quantum Mechanics - Paperback</image:title>
      <image:caption>Speakable and Unspeakable in Quantum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/black-holes-and-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rwNbp_-dz79780521558709.webp?v=1781515847</image:loc>
      <image:title>Black Holes and the Universe - Paperback</image:title>
      <image:caption>Black Holes and the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/experiments-in-ecology-their-logical-design-and-interpretation-using-analysis-of-variance-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nk5qoJP60o9780521556965.webp?v=1783110695</image:loc>
      <image:title>Experiments in Ecology: Their Logical Design and Interpretation Using Analysis of Variance - Paperback</image:title>
      <image:caption>Experiments in Ecology: Their Logical Design and Interpretation Using Analysis of Variance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/advanced-general-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9_hWro38389780521449465.webp?v=1781515221</image:loc>
      <image:title>Advanced General Relativity - Paperback</image:title>
      <image:caption>Advanced General Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-janus-faces-of-genius-the-role-of-alchemy-in-newtons-thought-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/AmJWMnUFX69780521524872.webp?v=1783110691</image:loc>
      <image:title>The Janus Faces of Genius: The Role of Alchemy in Newton&apos;s Thought - Paperback</image:title>
      <image:caption>The Janus Faces of Genius: The Role of Alchemy in Newton&apos;s Thought</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-theory-of-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hm7furqjET9780521451284.webp?v=1781515226</image:loc>
      <image:title>The Theory of Evolution - Paperback</image:title>
      <image:caption>The Theory of Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ant-and-the-peacock-altruism-and-sexual-selection-from-darwin-to-today-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fSnIjOYJfR9780521457651.webp?v=1783110716</image:loc>
      <image:title>The Ant and the Peacock: Altruism and Sexual Selection from Darwin to Today - Paperback</image:title>
      <image:caption>The Ant and the Peacock: Altruism and Sexual Selection from Darwin to Today</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-force-of-symmetry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FSXXGnDcKh9780521455916.webp?v=1783110696</image:loc>
      <image:title>The Force of Symmetry - Paperback</image:title>
      <image:caption>The Force of Symmetry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fungal-morphogenesis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/a3A-vVf9tp9780521528573.webp?v=1783110702</image:loc>
      <image:title>Fungal Morphogenesis - Paperback</image:title>
      <image:caption>Fungal Morphogenesis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/what-is-life-the-next-fifty-years-speculations-on-the-future-of-biology-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VPXoVL0C3-9780521455091.webp?v=1781515214</image:loc>
      <image:title>What Is Life? the Next Fifty Years: Speculations on the Future of Biology - Hardcover</image:title>
      <image:caption>What Is Life? the Next Fifty Years: Speculations on the Future of Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ghost-in-the-atom-a-discussion-of-the-mysteries-of-quantum-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WjBBs-pNWU9780521457286.webp?v=1781515227</image:loc>
      <image:title>The Ghost in the Atom: A Discussion of the Mysteries of Quantum Physics - Paperback</image:title>
      <image:caption>The Ghost in the Atom: A Discussion of the Mysteries of Quantum Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-lighter-side-of-gravity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HUOt2ToAaa9780521565653.webp?v=1783110717</image:loc>
      <image:title>The Lighter Side of Gravity - Paperback</image:title>
      <image:caption>The Lighter Side of Gravity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/power-from-steam-a-history-of-the-stationary-steam-engine-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Dd1nP3favt9780521458344.webp?v=1783110697</image:loc>
      <image:title>Power from Steam: A History of the Stationary Steam Engine - Paperback</image:title>
      <image:caption>Power from Steam: A History of the Stationary Steam Engine</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/certain-philosophical-questions-newtons-trinity-notebook-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3M0S-uKGY99780521530668.webp?v=1781515822</image:loc>
      <image:title>Certain Philosophical Questions: Newton&apos;s Trinity Notebook - Paperback</image:title>
      <image:caption>Certain Philosophical Questions: Newton&apos;s Trinity Notebook</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/vertebrate-paleontological-techniques-volume-1-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/l9uIS994au9780521459006.webp?v=1781515229</image:loc>
      <image:title>Vertebrate Paleontological Techniques: Volume 1 - Paperback</image:title>
      <image:caption>Vertebrate Paleontological Techniques: Volume 1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-new-quantum-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XgQNoBOs09780521564571.webp?v=1783110691</image:loc>
      <image:title>The New Quantum Universe - Paperback</image:title>
      <image:caption>The New Quantum Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/black-hole-uniqueness-theorems-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v0SqMFlU1i9780521567350.webp?v=1781515808</image:loc>
      <image:title>Black Hole Uniqueness Theorems - Paperback</image:title>
      <image:caption>Black Hole Uniqueness Theorems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-cambridge-encyclopedia-of-human-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/izj7AOVKEB9780521467865.webp?v=1783110719</image:loc>
      <image:title>The Cambridge Encyclopedia of Human Evolution - Paperback</image:title>
      <image:caption>The Cambridge Encyclopedia of Human Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/exact-solutions-of-einsteins-field-equations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ghwLf6Iyvs9780521467025.webp?v=1783110702</image:loc>
      <image:title>Exact Solutions of Einstein&apos;s Field Equations - Paperback</image:title>
      <image:caption>Exact Solutions of Einstein&apos;s Field Equations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/power-from-wind-a-history-of-windmill-technology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oxwzO6Ub2d9780521566865.webp?v=1783110693</image:loc>
      <image:title>Power from Wind: A History of Windmill Technology - Paperback</image:title>
      <image:caption>Power from Wind: A History of Windmill Technology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/atkins-molecules-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5YGpJbfEl9780521535366.webp?v=1783110721</image:loc>
      <image:title>Atkins&apos; Molecules - Paperback</image:title>
      <image:caption>Atkins&apos; Molecules</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-development-of-darwins-theory-natural-history-natural-theology-and-natural-selection-1838-1859-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/knaX1INSyV9780521469401.webp?v=1781515218</image:loc>
      <image:title>The Development of Darwin&apos;s Theory: Natural History, Natural Theology, and Natural Selection,1838-1859 - Paperback</image:title>
      <image:caption>The Development of Darwin&apos;s Theory: Natural History, Natural Theology, and Natural Selection,1838-1859</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biology-by-numbers-an-encouragement-to-quantitative-thinking-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CWufP5dVV9780521571562.webp?v=1783110703</image:loc>
      <image:title>Biology by Numbers: An Encouragement to Quantitative Thinking - Hardcover</image:title>
      <image:caption>Biology by Numbers: An Encouragement to Quantitative Thinking</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/handbook-of-pulsar-astronomy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MWI757Lb2t9780521535342.webp?v=1783110710</image:loc>
      <image:title>Handbook of Pulsar Astronomy - Paperback</image:title>
      <image:caption>Handbook of Pulsar Astronomy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-cambridge-handbook-of-physics-formulas-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ylU24ryrK-9780521575072.webp?v=1783112523</image:loc>
      <image:title>The Cambridge Handbook of Physics Formulas - Paperback</image:title>
      <image:caption>The Cambridge Handbook of Physics Formulas</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-quantum-mechanics-for-solid-state-electronics-and-optics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MlD-gOBWkX9780521536400.webp?v=1783110705</image:loc>
      <image:title>Fundamentals of Quantum Mechanics: For Solid State Electronics and Optics - Paperback</image:title>
      <image:caption>Fundamentals of Quantum Mechanics: For Solid State Electronics and Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-optical-engineering-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UmXTogQ6BX9780521574938.webp?v=1783112516</image:loc>
      <image:title>Introduction to Optical Engineering - Paperback</image:title>
      <image:caption>Introduction to Optical Engineering</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/potential-theory-in-gravity-and-magnetic-applications-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1eGU6i6kQR9780521575478.webp?v=1781515811</image:loc>
      <image:title>Potential Theory in Gravity and Magnetic Applications - Paperback</image:title>
      <image:caption>Potential Theory in Gravity and Magnetic Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-primer-of-conservation-genetics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vLxQDsESkc9780521538275.webp?v=1781515849</image:loc>
      <image:title>A Primer of Conservation Genetics - Paperback</image:title>
      <image:caption>A Primer of Conservation Genetics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-theoretical-biologists-toolbox-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aZx-qlvTXm9780521537483.webp?v=1781515823</image:loc>
      <image:title>The Theoretical Biologist&apos;s Toolbox - Paperback</image:title>
      <image:caption>The Theoretical Biologist&apos;s Toolbox</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/carl-sagans-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XqEA-dHEzg9780521576031.webp?v=1783112498</image:loc>
      <image:title>Carl Sagan&apos;s Universe - Paperback</image:title>
      <image:caption>Carl Sagan&apos;s Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-active-galactic-nuclei-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/upRwkVRMPG9780521479110.webp?v=1781515232</image:loc>
      <image:title>An Introduction to Active Galactic Nuclei - Paperback</image:title>
      <image:caption>An Introduction to Active Galactic Nuclei</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-relativists-toolkit-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/AxsnecU6e79780521537803.webp?v=1783110710</image:loc>
      <image:title>A Relativist&apos;s Toolkit - Paperback</image:title>
      <image:caption>A Relativist&apos;s Toolkit</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/erosion-and-sedimentation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FlwsI7KLi39780521537377.webp?v=1783110694</image:loc>
      <image:title>Erosion and Sedimentation - Paperback</image:title>
      <image:caption>Erosion and Sedimentation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/common-families-of-flowering-plants-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OEz2fgscMB9780521576093.webp?v=1781515824</image:loc>
      <image:title>Common Families of Flowering Plants - Paperback</image:title>
      <image:caption>Common Families of Flowering Plants</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/shells-paperback-5</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ReEbIfMyKl9780521578523.webp?v=1783112500</image:loc>
      <image:title>Shells - Paperback</image:title>
      <image:caption>Shells</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/solar-system-dynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7vDBEvaFFD9780521575973.webp?v=1783112492</image:loc>
      <image:title>Solar System Dynamics - Paperback</image:title>
      <image:caption>Solar System Dynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/in-search-of-the-ultimate-building-blocks-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YUhz9l_YVb9780521578837.webp?v=1781515826</image:loc>
      <image:title>In Search of the Ultimate Building Blocks - Paperback</image:title>
      <image:caption>In Search of the Ultimate Building Blocks</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cryogenic-two-phase-flow-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vmWPddtJ-69780521481922.webp?v=1783110697</image:loc>
      <image:title>Cryogenic Two-Phase Flow - Hardcover</image:title>
      <image:caption>Cryogenic Two-Phase Flow</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/planetary-astronomy-from-the-renaissance-to-the-rise-of-astrophysics-part-a-tycho-brahe-to-newton-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rEJl7S-EaG9780521542050.webp?v=1781515851</image:loc>
      <image:title>Planetary Astronomy from the Renaissance to the Rise of Astrophysics, Part A, Tycho Brahe to Newton - Paperback</image:title>
      <image:caption>Planetary Astronomy from the Renaissance to the Rise of Astrophysics, Part A, Tycho Brahe to Newton</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/land-mosaics-the-ecology-of-landscapes-and-regions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/i0Il0k7Prp9780521479806.webp?v=1781515215</image:loc>
      <image:title>Land Mosaics: The Ecology of Landscapes and Regions - Paperback</image:title>
      <image:caption>Land Mosaics: The Ecology of Landscapes and Regions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/radiation-hydrodynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WDwcknl4Fv9780521540629.webp?v=1783110711</image:loc>
      <image:title>Radiation Hydrodynamics - Paperback</image:title>
      <image:caption>Radiation Hydrodynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physics-with-answers-500-problems-and-solutions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jldi_kf-x9780521483698.webp?v=1781515223</image:loc>
      <image:title>Physics with Answers: 500 Problems and Solutions - Paperback</image:title>
      <image:caption>Physics with Answers: 500 Problems and Solutions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-physics-of-low-dimensional-semiconductors-an-introduction-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QYJU2LJuGk9780521484916.webp?v=1783110698</image:loc>
      <image:title>The Physics of Low-Dimensional Semiconductors: An Introduction - Paperback</image:title>
      <image:caption>The Physics of Low-Dimensional Semiconductors: An Introduction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/meteorites-and-their-parent-planets-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rjgLGmX5Mz9780521587518.webp?v=1781515852</image:loc>
      <image:title>Meteorites and Their Parent Planets - Paperback</image:title>
      <image:caption>Meteorites and Their Parent Planets</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/critical-assembly-a-technical-history-of-los-alamos-during-the-oppenheimer-years-1943-1945-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sYUsb6hxAU9780521541176.webp?v=1781515797</image:loc>
      <image:title>Critical Assembly: A Technical History of Los Alamos During the Oppenheimer Years, 1943 1945 - Paperback</image:title>
      <image:caption>Critical Assembly: A Technical History of Los Alamos During the Oppenheimer Years, 1943 1945</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/self-organized-criticality-emergent-complex-behavior-in-physical-and-biological-systems-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xMQbqKGpmt9780521483711.webp?v=1783110712</image:loc>
      <image:title>Self-Organized Criticality: Emergent Complex Behavior in Physical and Biological Systems - Paperback</image:title>
      <image:caption>Self-Organized Criticality: Emergent Complex Behavior in Physical and Biological Systems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/insect-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6fpLXho4wn9780521542609.webp?v=1783110707</image:loc>
      <image:title>Insect Ecology - Paperback</image:title>
      <image:caption>Insect Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/conservation-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zPEG7EeHOE9780521644822.webp?v=1783112523</image:loc>
      <image:title>Conservation Biology - Paperback</image:title>
      <image:caption>Conservation Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/scaling-and-renormalization-in-statistical-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k0062eo66s9780521499590.webp?v=1781515219</image:loc>
      <image:title>Scaling and Renormalization in Statistical Physics - Paperback</image:title>
      <image:caption>Scaling and Renormalization in Statistical Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-of-woodlands-and-forests-description-dynamics-and-diversity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HCNGdRMRcG9780521542319.webp?v=1781515799</image:loc>
      <image:title>Ecology of Woodlands and Forests: Description, Dynamics and Diversity - Paperback</image:title>
      <image:caption>Ecology of Woodlands and Forests: Description, Dynamics and Diversity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mapping-and-naming-the-moon-a-history-of-lunar-cartography-and-nomenclature-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/W4N_ngpXB_9780521544146.webp?v=1783110713</image:loc>
      <image:title>Mapping and Naming the Moon: A History of Lunar Cartography and Nomenclature - Paperback</image:title>
      <image:caption>Mapping and Naming the Moon: A History of Lunar Cartography and Nomenclature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/image-processing-and-data-analysis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JbK169uyPh9780521599146.webp?v=1781515827</image:loc>
      <image:title>Image Processing and Data Analysis - Paperback</image:title>
      <image:caption>Image Processing and Data Analysis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/turbulent-flows-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/656Q1s7QrL9780521598866.webp?v=1781515853</image:loc>
      <image:title>Turbulent Flows - Paperback</image:title>
      <image:caption>Turbulent Flows</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lifes-solution-inevitable-humans-in-a-lonely-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tf_HWEqBJY9780521603256.webp?v=1783112500</image:loc>
      <image:title>Life&apos;s Solution: Inevitable Humans in a Lonely Universe - Paperback</image:title>
      <image:caption>Life&apos;s Solution: Inevitable Humans in a Lonely Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Cy6Fehd7Gp9780521588027.webp?v=1783112493</image:loc>
      <image:title>Ecology - Paperback</image:title>
      <image:caption>Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electron-microprobe-analysis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MNMnCiHxag9780521599443.webp?v=1781515837</image:loc>
      <image:title>Electron Microprobe Analysis - Paperback</image:title>
      <image:caption>Electron Microprobe Analysis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/primer-of-genetic-analysis-a-problems-approach-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/U2EF2ZO96u9780521603652.webp?v=1781515829</image:loc>
      <image:title>Primer of Genetic Analysis: A Problems Approach - Paperback</image:title>
      <image:caption>Primer of Genetic Analysis: A Problems Approach</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecological-census-techniques-2ed-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/COZWpj7JFS9780521606363.webp?v=1783112524</image:loc>
      <image:title>Ecological Census Techniques 2ed - Paperback</image:title>
      <image:caption>Ecological Census Techniques 2ed</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/antimatter-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RX4IX8b28G9780521652520.webp?v=1781515811</image:loc>
      <image:title>Antimatter - Hardcover</image:title>
      <image:caption>Antimatter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/essential-bioinformatics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qCHbph_re69780521600828.webp?v=1783112494</image:loc>
      <image:title>Essential Bioinformatics - Paperback</image:title>
      <image:caption>Essential Bioinformatics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/detectors-for-particle-radiation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HepYoM-cm79780521648547.webp?v=1781515839</image:loc>
      <image:title>Detectors for Particle Radiation - Paperback</image:title>
      <image:caption>Detectors for Particle Radiation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecology-of-seeds-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ph2cteRlBU9780521653688.webp?v=1781515829</image:loc>
      <image:title>The Ecology of Seeds - Paperback</image:title>
      <image:caption>The Ecology of Seeds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/thermal-field-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kqCWHjG9jc9780521654777.webp?v=1781515813</image:loc>
      <image:title>Thermal Field Theory - Paperback</image:title>
      <image:caption>Thermal Field Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-natural-philosophy-from-the-ancient-world-to-the-nineteenth-century-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/C_1b_EZRwt9780521689571.webp?v=1781515840</image:loc>
      <image:title>A History of Natural Philosophy: From the Ancient World to the Nineteenth Century - Paperback</image:title>
      <image:caption>A History of Natural Philosophy: From the Ancient World to the Nineteenth Century</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elementary-particles-and-the-laws-of-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6B0ruT8KkR9780521658621.webp?v=1781515854</image:loc>
      <image:title>Elementary Particles and the Laws of Physics - Paperback</image:title>
      <image:caption>Elementary Particles and the Laws of Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lichen-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xKSLSQQB_O9780521692168.webp?v=1783112502</image:loc>
      <image:title>Lichen Biology - Paperback</image:title>
      <image:caption>Lichen Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-cambridge-companion-to-the-origin-of-species-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1evcVwgKS-9780521691291.webp?v=1781515831</image:loc>
      <image:title>The Cambridge Companion to the &apos;Origin of Species&apos; - Paperback</image:title>
      <image:caption>The Cambridge Companion to the &apos;Origin of Species&apos;</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-diamond-makers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UNVvPFGDfY9780521654746.webp?v=1781515801</image:loc>
      <image:title>The Diamond Makers - Paperback</image:title>
      <image:caption>The Diamond Makers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/perils-of-a-restless-planet-scientific-perspectives-on-natural-disasters-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bXhDcDNENWlLVm8vSi9wS0p6aVBhdz09.webp?v=1781515839</image:loc>
      <image:title>Perils of a Restless Planet: Scientific Perspectives on Natural Disasters - Paperback</image:title>
      <image:caption>Perils of a Restless Planet: Scientific Perspectives on Natural Disasters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/integrated-pest-management-concepts-tactics-strategies-and-case-studies-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nYoZk1-ue69780521699310.webp?v=1783112525</image:loc>
      <image:title>Integrated Pest Management: Concepts, Tactics, Strategies and Case Studies - Paperback</image:title>
      <image:caption>Integrated Pest Management: Concepts, Tactics, Strategies and Case Studies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-atmospheric-thermodynamics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uiFnqi2Rpl9780521696289.webp?v=1781515815</image:loc>
      <image:title>An Introduction to Atmospheric Thermodynamics - Paperback</image:title>
      <image:caption>An Introduction to Atmospheric Thermodynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/bryophyte-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6h3jYUyxNw9780521693226.webp?v=1783112508</image:loc>
      <image:title>Bryophyte Biology - Paperback</image:title>
      <image:caption>Bryophyte Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-chaos-in-nonequilibrium-statistical-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Y29xErcKXq9780521655897.webp?v=1781515802</image:loc>
      <image:title>An Introduction to Chaos in Nonequilibrium Statistical Mechanics - Paperback</image:title>
      <image:caption>An Introduction to Chaos in Nonequilibrium Statistical Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/what-science-offers-the-humanities-integrating-body-and-culture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iyeTyYzP39780521701518.webp?v=1781515856</image:loc>
      <image:title>What Science Offers the Humanities: Integrating Body and Culture - Paperback</image:title>
      <image:caption>What Science Offers the Humanities: Integrating Body and Culture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-bryophytes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JMaycsQXiw9780521700733.webp?v=1783112503</image:loc>
      <image:title>Introduction to Bryophytes - Paperback</image:title>
      <image:caption>Introduction to Bryophytes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/explaining-human-origins-myth-imagination-and-conjecture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iXQC-f1g_q9780521657303.webp?v=1781515843</image:loc>
      <image:title>Explaining Human Origins: Myth, Imagination and Conjecture - Paperback</image:title>
      <image:caption>Explaining Human Origins: Myth, Imagination and Conjecture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biology-and-evolution-of-ferns-and-lycophytes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EzuQ8eLour9780521696890.webp?v=1783112509</image:loc>
      <image:title>Biology and Evolution of Ferns and Lycophytes - Paperback</image:title>
      <image:caption>Biology and Evolution of Ferns and Lycophytes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ozone-layer-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mlS7gr58Xn9780521659086.webp?v=1781515803</image:loc>
      <image:title>The Ozone Layer - Paperback</image:title>
      <image:caption>The Ozone Layer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-complete-capuchin-the-biology-of-the-genus-cebus-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0JPLCK3h2g9780521667685.webp?v=1781515857</image:loc>
      <image:title>The Complete Capuchin: The Biology of the Genus Cebus - Paperback</image:title>
      <image:caption>The Complete Capuchin: The Biology of the Genus Cebus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physics-meets-philosophy-at-the-planck-scale-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ywx0sBHFG69780521664455.webp?v=1783112503</image:loc>
      <image:title>Physics Meets Philosophy at the Planck Scale - Paperback</image:title>
      <image:caption>Physics Meets Philosophy at the Planck Scale</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/automata-theory-with-modern-applications-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VeqYKzXjUb9780521613248.webp?v=1783112517</image:loc>
      <image:title>Automata Theory with Modern Applications - Paperback</image:title>
      <image:caption>Automata Theory with Modern Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-students-guide-to-maxwells-equations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tgm55PwctE9780521701471.webp?v=1783112510</image:loc>
      <image:title>A Student&apos;s Guide to Maxwell&apos;s Equations - Paperback</image:title>
      <image:caption>A Student&apos;s Guide to Maxwell&apos;s Equations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/scientific-method-for-ecological-research-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RLww7lwOsB9780521669733.webp?v=1783112505</image:loc>
      <image:title>Scientific Method for Ecological Research - Paperback</image:title>
      <image:caption>Scientific Method for Ecological Research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-quantum-theory-of-fields-v2-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hCHgbUxPxR9780521670548.webp?v=1783112525</image:loc>
      <image:title>The Quantum Theory of Fields v2 - Paperback</image:title>
      <image:caption>The Quantum Theory of Fields v2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-conservation-genetics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vP5ZLYxKOg9780521702713.webp?v=1783112511</image:loc>
      <image:title>Introduction to Conservation Genetics - Paperback</image:title>
      <image:caption>Introduction to Conservation Genetics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-the-physical-and-biological-oceanography-of-shelf-seas-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qN_iZYp4jF9780521701488.webp?v=1781515843</image:loc>
      <image:title>Introduction to the Physical and Biological Oceanography of Shelf Seas - Paperback</image:title>
      <image:caption>Introduction to the Physical and Biological Oceanography of Shelf Seas</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/galaxies-in-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/elNJyCpVzd9780521671866.webp?v=1783112527</image:loc>
      <image:title>Galaxies in the Universe - Paperback</image:title>
      <image:caption>Galaxies in the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-early-years-of-radio-astronomy-reflections-fifty-years-after-janskys-discovery-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/khEK1o3uSC9780521616027.webp?v=1781515805</image:loc>
      <image:title>The Early Years of Radio Astronomy: Reflections Fifty Years After Jansky&apos;s Discovery - Paperback</image:title>
      <image:caption>The Early Years of Radio Astronomy: Reflections Fifty Years After Jansky&apos;s Discovery</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/astronomer-intro-celestial-sphere-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/d1En77mqip9780521671231.webp?v=1783112505</image:loc>
      <image:title>Astronomer Intro Celestial Sphere - Paperback</image:title>
      <image:caption>Astronomer Intro Celestial Sphere</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/handbook-of-ccd-astronomy-2ed-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8f9ICYoTEL9780521617628.webp?v=1783112511</image:loc>
      <image:title>Handbook of CCD Astronomy 2ed - Paperback</image:title>
      <image:caption>Handbook of CCD Astronomy 2ed</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-changing-role-of-the-embryo-in-evolutionary-thought-roots-of-evo-devo-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h_C7Qaggz59780521703970.webp?v=1781515844</image:loc>
      <image:title>The Changing Role of the Embryo in Evolutionary Thought: Roots of Evo-Devo - Paperback</image:title>
      <image:caption>The Changing Role of the Embryo in Evolutionary Thought: Roots of Evo-Devo</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-aerodynamics-and-its-impact-on-flying-machines-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PRBrVcCzOE9780521669559.webp?v=1781515806</image:loc>
      <image:title>A History of Aerodynamics: And Its Impact on Flying Machines - Paperback</image:title>
      <image:caption>A History of Aerodynamics: And Its Impact on Flying Machines</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/string-theory-volume-1-an-introduction-to-the-bosonic-string-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eRltknn7xo9780521672276.webp?v=1781515816</image:loc>
      <image:title>String Theory: Volume 1, an Introduction to the Bosonic String - Paperback</image:title>
      <image:caption>String Theory: Volume 1, an Introduction to the Bosonic String</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-state-diffusion-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9GgdZsf5B39780521620079.webp?v=1783112512</image:loc>
      <image:title>Quantum State Diffusion - Hardcover</image:title>
      <image:caption>Quantum State Diffusion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-quantum-theory-of-fields-volume-1-foundations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BEJyl1o9b9780521670531.webp?v=1783112519</image:loc>
      <image:title>The Quantum Theory of Fields v1 - Paperback</image:title>
      <image:caption>The Quantum Theory of Fields v1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/prisons-of-light-black-holes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3opFrOC11N9780521625715.webp?v=1781515858</image:loc>
      <image:title>Prisons of Light: Black Holes - Paperback</image:title>
      <image:caption>Prisons of Light: Black Holes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-high-energy-astrophysics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/x1CKjK6qR59780521674423.webp?v=1781515818</image:loc>
      <image:title>Introduction to High-Energy Astrophysics - Paperback</image:title>
      <image:caption>Introduction to High-Energy Astrophysics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-quantum-theory-of-fields-v3-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fnFPZnCq459780521670555.webp?v=1783112494</image:loc>
      <image:title>The Quantum Theory of Fields v3 - Paperback</image:title>
      <image:caption>The Quantum Theory of Fields v3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/string-theory-volume-2-superstring-theory-and-beyond-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EW7_YP5-TW9780521672283.webp?v=1781515833</image:loc>
      <image:title>String Theory: Volume 2, Superstring Theory and Beyond - Paperback</image:title>
      <image:caption>String Theory: Volume 2, Superstring Theory and Beyond</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-seismology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SjdgQmyKbA9780521708425.webp?v=1783112519</image:loc>
      <image:title>Introduction to Seismology - Paperback</image:title>
      <image:caption>Introduction to Seismology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/origins-of-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wFKg3XeLv9780521626682.webp?v=1783112507</image:loc>
      <image:title>Origins of Life - Paperback</image:title>
      <image:caption>Origins of Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-computational-genomics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UMY8ebVfob9780521671910.webp?v=1783112495</image:loc>
      <image:title>Introduction to Computational Genomics - Paperback</image:title>
      <image:caption>Introduction to Computational Genomics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beyond-science-the-wider-human-context-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IcDE-MqWcy9780521625081.webp?v=1781515834</image:loc>
      <image:title>Beyond Science: The Wider Human Context - Paperback</image:title>
      <image:caption>Beyond Science: The Wider Human Context</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biodiversity-in-dead-wood-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2yJGFuj7Yy9780521717038.webp?v=1783112528</image:loc>
      <image:title>Biodiversity in Dead Wood - Paperback</image:title>
      <image:caption>Biodiversity in Dead Wood</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/innovation-and-the-rise-of-the-tunnelling-industry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lNNqKTlROT9780521673358.webp?v=1781515844</image:loc>
      <image:title>Innovation and the Rise of the Tunnelling Industry - Paperback</image:title>
      <image:caption>Innovation and the Rise of the Tunnelling Industry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/practical-plant-identification-including-a-key-to-native-and-cultivated-flowering-plants-in-north-temperate-regions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/O0dGFU2Jw29780521678773.webp?v=1781515819</image:loc>
      <image:title>Practical Plant Identification: Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions - Paperback</image:title>
      <image:caption>Practical Plant Identification: Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/observing-variable-stars-a-guide-for-the-beginner-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zKkrJhgAl49780521627559.webp?v=1781515836</image:loc>
      <image:title>Observing Variable Stars: A Guide for the Beginner - Paperback</image:title>
      <image:caption>Observing Variable Stars: A Guide for the Beginner</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-the-invertebrates-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/moI78p92Ia9780521674065.webp?v=1783112496</image:loc>
      <image:title>An Introduction to the Invertebrates - Paperback</image:title>
      <image:caption>An Introduction to the Invertebrates</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-three-cultures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ODyEb-uW_O9780521732307.webp?v=1783112528</image:loc>
      <image:title>The Three Cultures - Paperback</image:title>
      <image:caption>The Three Cultures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/reversals-of-the-earths-magnetic-field-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hamIiZYkvx9780521675567.webp?v=1781515844</image:loc>
      <image:title>Reversals of the Earth&apos;s Magnetic Field - Paperback</image:title>
      <image:caption>Reversals of the Earth&apos;s Magnetic Field</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/parasites-in-ecological-communities-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/67tlzu5_R39780521718226.webp?v=1781515820</image:loc>
      <image:title>Parasites in Ecological Communities - Paperback</image:title>
      <image:caption>Parasites in Ecological Communities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-gravity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DJrjW6bdx59780521715966.webp?v=1783112513</image:loc>
      <image:title>Quantum Gravity - Paperback</image:title>
      <image:caption>Quantum Gravity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/discovering-cell-mechanisms-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TSf6OOr9419780521729444.webp?v=1783112529</image:loc>
      <image:title>Discovering Cell Mechanisms - Paperback</image:title>
      <image:caption>Discovering Cell Mechanisms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/looking-into-the-earth-an-introduction-to-geological-geophysics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k6UW3urFrD9780521785747.webp?v=1783114235</image:loc>
      <image:title>Looking into the Earth 1ed - Paperback</image:title>
      <image:caption>Looking into the Earth 1ed</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-first-course-in-continuum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TIlltxzCE-9780521714242.webp?v=1783112520</image:loc>
      <image:title>A First Course in Continuum Mechanics - Paperback</image:title>
      <image:caption>A First Course in Continuum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-new-world-of-mr-tompkins-george-gamows-classic-mr-tompkins-in-paperback-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0miZr1nMNG9780521639927.webp?v=1783112514</image:loc>
      <image:title>The New World of MR Tompkins: George Gamow&apos;s Classic MR Tompkins in Paperback - Paperback</image:title>
      <image:caption>The New World of MR Tompkins: George Gamow&apos;s Classic MR Tompkins in Paperback</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-star-formation-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q3tsbxZwmc9780521630306.webp?v=1783112497</image:loc>
      <image:title>An Introduction to Star Formation - Hardcover</image:title>
      <image:caption>An Introduction to Star Formation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-condensed-matter-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XSjcC6UOh9780521794503.webp?v=1783114271</image:loc>
      <image:title>Principles of Condensed Matter Physics - Paperback</image:title>
      <image:caption>Principles of Condensed Matter Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/basic-concepts-for-simple-and-complex-liquids-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QRUa4shWOq9780521789530.webp?v=1783114236</image:loc>
      <image:title>Basic Concepts for Simple and Complex Liquids - Paperback</image:title>
      <image:caption>Basic Concepts for Simple and Complex Liquids</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-and-conservation-of-the-sirenia-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/G_R-ZrMxdb9780521716437.webp?v=1783112521</image:loc>
      <image:title>Ecology and Conservation of the Sirenia - Paperback</image:title>
      <image:caption>Ecology and Conservation of the Sirenia</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mountain-weather-and-climate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fjbDwLl8TO9780521681582.webp?v=1783112497</image:loc>
      <image:title>Mountain Weather and Climate - Paperback</image:title>
      <image:caption>Mountain Weather and Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ocean-dynamics-and-the-carbon-cycle-principles-and-mechanisms-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cJ3SD058ZB9780521843690.webp?v=1783114273</image:loc>
      <image:title>Ocean Dynamics and the Carbon Cycle: Principles and Mechanisms - Hardcover</image:title>
      <image:caption>Ocean Dynamics and the Carbon Cycle: Principles and Mechanisms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/singularities-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v0U-vh6TUU9780521841955.webp?v=1781516095</image:loc>
      <image:title>Singularities - Hardcover</image:title>
      <image:caption>Singularities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/modular-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jfY0GiYR879780521728775.webp?v=1783112515</image:loc>
      <image:title>Modular Evolution - Paperback</image:title>
      <image:caption>Modular Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fern-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4csLA71crI9780521728201.webp?v=1783112522</image:loc>
      <image:title>Fern Ecology - Paperback</image:title>
      <image:caption>Fern Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-large-the-small-and-the-human-mind-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/L10zJwU4JW9780521785723.webp?v=1781516088</image:loc>
      <image:title>The Large, the Small and the Human Mind - Paperback</image:title>
      <image:caption>The Large, the Small and the Human Mind</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geographical-information-systems-in-archaeology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FcHK_Z8f0C9780521797443.webp?v=1783114237</image:loc>
      <image:title>Geographical Information Systems in Archaeology - Paperback</image:title>
      <image:caption>Geographical Information Systems in Archaeology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plants-diversity-and-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dSSupmiQzo9780521794336.webp?v=1783114251</image:loc>
      <image:title>Plants: Diversity and Evolution - Paperback</image:title>
      <image:caption>Plants: Diversity and Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plasma-physics-and-fusion-energy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ys_KaoSccD9780521733175.webp?v=1783112522</image:loc>
      <image:title>Plasma Physics and Fusion Energy - Paperback</image:title>
      <image:caption>Plasma Physics and Fusion Energy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-and-biogeography-of-pinus-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nlLrvXRUH9780521789103.webp?v=1781516089</image:loc>
      <image:title>Ecology and Biogeography of Pinus - Paperback</image:title>
      <image:caption>Ecology and Biogeography of Pinus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/controlling-climate-change-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dhhybxK7Qn9780521747844.webp?v=1783114274</image:loc>
      <image:title>Controlling Climate Change - Paperback</image:title>
      <image:caption>Controlling Climate Change</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forest-health-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/23UBeDWyRU9780521747417.webp?v=1783114237</image:loc>
      <image:title>Forest Health - Paperback</image:title>
      <image:caption>Forest Health</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/modern-canonical-quantum-general-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mlD12HstZ_9780521741873.webp?v=1783114252</image:loc>
      <image:title>Modern Canonical Quantum General Relativity - Paperback</image:title>
      <image:caption>Modern Canonical Quantum General Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/stargazing-astronomy-without-a-telescope-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/E03G4W8O9k9780521794459.webp?v=1781516102</image:loc>
      <image:title>Stargazing: Astronomy Without a Telescope - Paperback</image:title>
      <image:caption>Stargazing: Astronomy Without a Telescope</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/our-cosmic-origins-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5Q8dneODhH9780521794800.webp?v=1783114224</image:loc>
      <image:title>Our Cosmic Origins - Paperback</image:title>
      <image:caption>Our Cosmic Origins</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/planetary-tectonics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UZ9a0JM9Hh9780521749923.webp?v=1781516106</image:loc>
      <image:title>Planetary Tectonics - Paperback</image:title>
      <image:caption>Planetary Tectonics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/kant-and-philosophy-of-science-today-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mzXmGbbZtf9780521748513.webp?v=1783114238</image:loc>
      <image:title>Kant and Philosophy of Science Today - Paperback</image:title>
      <image:caption>Kant and Philosophy of Science Today</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/structural-geology-an-introduction-to-geometrical-techniques-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kxqS-RJpHY9780521745833.webp?v=1783114253</image:loc>
      <image:title>Structural Geology: An Introduction to Geometrical Techniques - Paperback</image:title>
      <image:caption>Structural Geology: An Introduction to Geometrical Techniques</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/urban-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oyRAKhdqWb9780521743495.webp?v=1783114263</image:loc>
      <image:title>Urban Ecology - Paperback</image:title>
      <image:caption>Urban Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/crustal-heat-flow-a-guide-to-measurement-and-modelling-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uusPxBiQvY9780521797030.webp?v=1783114225</image:loc>
      <image:title>Crustal Heat Flow: A Guide to Measurement and Modelling - Paperback</image:title>
      <image:caption>Crustal Heat Flow: A Guide to Measurement and Modelling</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electronic-and-optical-properties-of-d-band-perovskites-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2Ikgg2rUHL9780521850537.webp?v=1783114240</image:loc>
      <image:title>Electronic and Optical Properties of d-Band Perovskites - Hardcover</image:title>
      <image:caption>Electronic and Optical Properties of d-Band Perovskites</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beyond-pluto-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DsqO7jjQoK9780521800198.webp?v=1783114254</image:loc>
      <image:title>Beyond Pluto - Hardcover</image:title>
      <image:caption>Beyond Pluto</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/out-of-the-blue-hardcover-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/emsY9TWbrv9780521809252.webp?v=1781516107</image:loc>
      <image:title>Out of the Blue - Hardcover</image:title>
      <image:caption>Out of the Blue</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cytoskeletal-mechanics-models-and-measurements-in-cell-mechanics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JCOzdbeGN09780521846370.webp?v=1783114265</image:loc>
      <image:title>Cytoskeletal Mechanics: Models and Measurements in Cell Mechanics - Hardcover</image:title>
      <image:caption>Cytoskeletal Mechanics: Models and Measurements in Cell Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/meteorites-their-impact-on-science-and-history-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hO9waPvMdm9780521799409.webp?v=1783114227</image:loc>
      <image:title>Meteorites: Their Impact on Science and History - Paperback</image:title>
      <image:caption>Meteorites: Their Impact on Science and History</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/social-anthropology-and-human-origins-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5r31awn9PL9780521749299.webp?v=1783114255</image:loc>
      <image:title>Social Anthropology and Human Origins - Paperback</image:title>
      <image:caption>Social Anthropology and Human Origins</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/flatland-paperback-10</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q5qonh4y919780521759946.webp?v=1783114241</image:loc>
      <image:title>Flatland - Paperback</image:title>
      <image:caption>Flatland</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-of-butterflies-in-europe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9hAtYF29CS9780521747592.webp?v=1783114266</image:loc>
      <image:title>Ecology of Butterflies in Europe - Paperback</image:title>
      <image:caption>Ecology of Butterflies in Europe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-multiphase-flow-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rMytB9-Ar39780521848046.webp?v=1781516090</image:loc>
      <image:title>Fundamentals of Multiphase Flow - Hardcover</image:title>
      <image:caption>Fundamentals of Multiphase Flow</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/discovering-cell-mechanisms-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/B5KIzvRIMg9780521812474.webp?v=1783114275</image:loc>
      <image:title>Discovering Cell Mechanisms - Hardcover</image:title>
      <image:caption>Discovering Cell Mechanisms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/modern-quantum-field-theory-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QZQqffbSiU9780521850827.webp?v=1783114255</image:loc>
      <image:title>Modern Quantum Field Theory - Hardcover</image:title>
      <image:caption>Modern Quantum Field Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/social-anthropology-and-human-origins-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YHHsePTV8B9780521765312.webp?v=1783114275</image:loc>
      <image:title>Social Anthropology and Human Origins - Hardcover</image:title>
      <image:caption>Social Anthropology and Human Origins</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mathematics-for-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hEAgpmO5Jf9780521854030.webp?v=1783114256</image:loc>
      <image:title>Mathematics for Physics - Hardcover</image:title>
      <image:caption>Mathematics for Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/earth-surface-processes-landforms-and-sediment-deposits-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iLPX_Q1eoX9780521857802.webp?v=1783114243</image:loc>
      <image:title>Earth Surface Processes, Landforms and Sediment Deposits - Hardcover</image:title>
      <image:caption>Earth Surface Processes, Landforms and Sediment Deposits</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-grip-of-gravity-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jzcXH8eCBb9780521803168.webp?v=1783114228</image:loc>
      <image:title>The Grip of Gravity - Hardcover</image:title>
      <image:caption>The Grip of Gravity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-kinetic-view-of-statistical-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sj9HQvS6NZ9780521851039.webp?v=1783114267</image:loc>
      <image:title>A Kinetic View of Statistical Physics - Hardcover</image:title>
      <image:caption>A Kinetic View of Statistical Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/flowers-on-the-tree-of-life-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SpvXUcnvQ9780521765992.webp?v=1783114244</image:loc>
      <image:title>Flowers on the Tree of Life - Hardcover</image:title>
      <image:caption>Flowers on the Tree of Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/phylogenetic-networks-concepts-algorithms-and-applications-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/a2JtnvxnqH9780521755962.webp?v=1783114228</image:loc>
      <image:title>Phylogenetic Networks: Concepts, Algorithms and Applications - Hardcover</image:title>
      <image:caption>Phylogenetic Networks: Concepts, Algorithms and Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/out-of-the-shadows-contributions-of-twentieth-century-women-to-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/s9qmyQaynl9780521821971.webp?v=1781516108</image:loc>
      <image:title>Out of the Shadows: Contributions of Twentieth-Century Women to Physics - Hardcover</image:title>
      <image:caption>Out of the Shadows: Contributions of Twentieth-Century Women to Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physics-of-solitons-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ho1-4vdone9780521854214.webp?v=1783114268</image:loc>
      <image:title>Physics of Solitons - Hardcover</image:title>
      <image:caption>Physics of Solitons</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/field-theories-of-condensed-matter-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UoPZa80P539780521764445.webp?v=1783114256</image:loc>
      <image:title>Field Theories of Condensed Matter Physics - Hardcover</image:title>
      <image:caption>Field Theories of Condensed Matter Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gravity-and-the-behavior-of-unicellular-organisms-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RmZe1H1kDD9780521820523.webp?v=1783114245</image:loc>
      <image:title>Gravity and the Behavior of Unicellular Organisms - Hardcover</image:title>
      <image:caption>Gravity and the Behavior of Unicellular Organisms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamental-solutions-in-elastodynamics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0azNmcqhaM9780521855709.webp?v=1783114229</image:loc>
      <image:title>Fundamental Solutions in Elastodynamics - Hardcover</image:title>
      <image:caption>Fundamental Solutions in Elastodynamics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-planetary-climate-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2H1K2poQcl9780521865562.webp?v=1781516109</image:loc>
      <image:title>Principles of Planetary Climate - Hardcover</image:title>
      <image:caption>Principles of Planetary Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-the-theory-of-coherence-and-polarization-of-light-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ay-wx-M5L_9780521822114.webp?v=1781516095</image:loc>
      <image:title>Introduction to the Theory of Coherence and Polarization of Light - Hardcover</image:title>
      <image:caption>Introduction to the Theory of Coherence and Polarization of Light</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/reliability-in-scientific-research-improving-the-dependability-of-measurements-calculations-equipment-and-software-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jZyCxx4xco9780521857703.webp?v=1783114231</image:loc>
      <image:title>Reliability in Scientific Research - Hardcover</image:title>
      <image:caption>Reliability in Scientific Research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-natural-philosophy-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bgNKyBEro99780521869317.webp?v=1783114276</image:loc>
      <image:title>A History of Natural Philosophy - Hardcover</image:title>
      <image:caption>A History of Natural Philosophy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/space-the-final-frontier-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YiB1jOyyj49780521814034.webp?v=1781516101</image:loc>
      <image:title>Space, the Final Frontier? - Hardcover</image:title>
      <image:caption>Space, the Final Frontier?</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-field-theory-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ch6bOdG11v9780521864497.webp?v=1781516098</image:loc>
      <image:title>Quantum Field Theory - Hardcover</image:title>
      <image:caption>Quantum Field Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/200-puzzling-physics-problems-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zp-iZG33Kt9780521774802.webp?v=1781516096</image:loc>
      <image:title>200 Puzzling Physics Problems - Paperback</image:title>
      <image:caption>200 Puzzling Physics Problems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/orogenesis-the-making-of-mountains-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/J69ntNW029780521765565.webp?v=1781516091</image:loc>
      <image:title>Orogenesis: The Making of Mountains - Hardcover</image:title>
      <image:caption>Orogenesis: The Making of Mountains</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gravity-and-magnetic-exploration-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/b_jELnggIw9780521871013.webp?v=1783114276</image:loc>
      <image:title>Gravity and Magnetic Exploration - Hardcover</image:title>
      <image:caption>Gravity and Magnetic Exploration</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/modern-statistical-methods-for-astronomy-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/P_82xR2c969780521767279.webp?v=1783114268</image:loc>
      <image:title>Modern Statistical Methods for Astronomy - Hardcover</image:title>
      <image:caption>Modern Statistical Methods for Astronomy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fire-in-the-forest-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lC00HgNt__9780521822299.webp?v=1783114258</image:loc>
      <image:title>Fire in the Forest - Hardcover</image:title>
      <image:caption>Fire in the Forest</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/general-relativity-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eoIvD8KBHp9780521829519.webp?v=1783114246</image:loc>
      <image:title>General Relativity - Hardcover</image:title>
      <image:caption>General Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/rock-fractures-in-geological-processes-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FK-vF_MMdJ9780521863926.webp?v=1783114231</image:loc>
      <image:title>Rock Fractures in Geological Processes - Hardcover</image:title>
      <image:caption>Rock Fractures in Geological Processes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/advanced-condensed-matter-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qN34y_BtDJ9780521872904.webp?v=1783114247</image:loc>
      <image:title>Advanced Condensed Matter Physics - Hardcover</image:title>
      <image:caption>Advanced Condensed Matter Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/david-levys-guide-to-observing-and-discovering-comets-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2SK2HIFAnH9780521826563.webp?v=1783114259</image:loc>
      <image:title>David Levy&apos;s Guide to Observing and Discovering Comets - Hardcover</image:title>
      <image:caption>David Levy&apos;s Guide to Observing and Discovering Comets</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/spectrograph-design-fundamentals-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yo5COqNDN99780521864633.webp?v=1781516103</image:loc>
      <image:title>Spectrograph Design Fundamentals - Hardcover</image:title>
      <image:caption>Spectrograph Design Fundamentals</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-many-body-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TUEuDqoFJc9780521864886.webp?v=1781516092</image:loc>
      <image:title>Introduction to Many-Body Physics - Hardcover</image:title>
      <image:caption>Introduction to Many-Body Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-first-course-in-string-theory-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1Rj5Ho5fj-9780521880329.webp?v=1783114248</image:loc>
      <image:title>A First Course in String Theory - Hardcover</image:title>
      <image:caption>A First Course in String Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-cambridge-encyclopedia-of-space-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dU7ipERbFA9780521773003.webp?v=1781516104</image:loc>
      <image:title>The Cambridge Encyclopedia of Space - Hardcover</image:title>
      <image:caption>The Cambridge Encyclopedia of Space</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-quantum-theory-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NVGud2HLSu9780521876933.webp?v=1783114277</image:loc>
      <image:title>Introduction to Quantum Theory - Hardcover</image:title>
      <image:caption>Introduction to Quantum Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-the-theory-of-stellar-structure-and-evolution-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yJ48F-Y5s_9780521866040.webp?v=1783114232</image:loc>
      <image:title>An Introduction to the Theory of Stellar Structure and Evolution - Hardcover</image:title>
      <image:caption>An Introduction to the Theory of Stellar Structure and Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-classical-mechanics-with-problems-and-solutions-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hqY8qllFUb9780521876223.webp?v=1783114250</image:loc>
      <image:title>Introduction to Classical Mechanics - Hardcover</image:title>
      <image:caption>Introduction to Classical Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/statistical-physics-of-fields-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TYnYdgu8Rl9780521873413.webp?v=1783114260</image:loc>
      <image:title>Statistical Physics of Fields - Hardcover</image:title>
      <image:caption>Statistical Physics of Fields</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/improbable-destinies-fate-chance-and-the-future-of-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lee9amZ8ie9780525534136.webp?v=1781516110</image:loc>
      <image:title>Improbable Destinies: Fate, Chance, and the Future of Evolution - Paperback</image:title>
      <image:caption>Improbable Destinies: Fate, Chance, and the Future of Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/carbon-nanotube-science-synthesis-properties-and-applications-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PQKME-yhaG9780521828956.webp?v=1781516093</image:loc>
      <image:title>Carbon Nanotube Science: Synthesis, Properties and Applications - Hardcover</image:title>
      <image:caption>Carbon Nanotube Science: Synthesis, Properties and Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-students-guide-to-maxwells-equations-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jaNQ-sk4or9780521877619.webp?v=1781516097</image:loc>
      <image:title>A Student&apos;s Guide to Maxwell&apos;s Equations - Hardcover</image:title>
      <image:caption>A Student&apos;s Guide to Maxwell&apos;s Equations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/observing-the-moon-the-modern-astronomers-guide-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QJu3FXGsoN9780521874076.webp?v=1783114261</image:loc>
      <image:title>Observing the Moon: The Modern Astronomer&apos;s Guide - Hardcover</image:title>
      <image:caption>Observing the Moon: The Modern Astronomer&apos;s Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-cambridge-companion-to-the-origin-of-species-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rfNliwx89R9780521870795.webp?v=1781516105</image:loc>
      <image:title>The Cambridge Companion to the &apos;Origin of Species&apos; - Hardcover</image:title>
      <image:caption>The Cambridge Companion to the &apos;Origin of Species&apos;</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-microsecond-pulsed-glow-discharge-developments-in-time-of-flight-mass-spectrometry-and-atomic-emission-spectrometry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v9yguDVo4r9780530007908.webp?v=1781516583</image:loc>
      <image:title>The Microsecond Pulsed Glow Discharge: Developments in Time-of-flight Mass Spectrometry and Atomic Emission Spectrometry - Paperback</image:title>
      <image:caption>The Microsecond Pulsed Glow Discharge: Developments in Time-of-flight Mass Spectrometry and Atomic Emission Spectrometry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/seismic-reflections-of-rock-properties-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4Xh7gs5anz9780521899192.webp?v=1781516098</image:loc>
      <image:title>Seismic Reflections of Rock Properties - Hardcover</image:title>
      <image:caption>Seismic Reflections of Rock Properties</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/carl-sagans-cosmic-connection-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kd1PmBKGPG9780521783033.webp?v=1781516093</image:loc>
      <image:title>Carl Sagan&apos;s Cosmic Connection - Hardcover</image:title>
      <image:caption>Carl Sagan&apos;s Cosmic Connection</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dynamics-of-self-organized-and-self-assembled-structures-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k7fynZAnhg9780521883610.webp?v=1783114262</image:loc>
      <image:title>Dynamics of Self-Organized and Self-Assembled Structures - Hardcover</image:title>
      <image:caption>Dynamics of Self-Organized and Self-Assembled Structures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/statistical-physics-of-particles-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/I2lSsuuYFw9780521873420.webp?v=1783114269</image:loc>
      <image:title>Statistical Physics of Particles - Hardcover</image:title>
      <image:caption>Statistical Physics of Particles</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-edge-of-physics-a-journey-to-earths-extremes-to-unlock-the-secrets-of-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BFtrH_75gN9780547394527.webp?v=1781537801</image:loc>
      <image:title>The Edge of Physics: A Journey to Earth&apos;s Extremes to Unlock the Secrets of the Universe - Paperback</image:title>
      <image:caption>The Edge of Physics: A Journey to Earth&apos;s Extremes to Unlock the Secrets of the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-perfect-theory-a-century-of-geniuses-and-the-battle-over-general-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XL8vJ5oEza9780544483866.webp?v=1781516581</image:loc>
      <image:title>The Perfect Theory: A Century of Geniuses and the Battle Over General Relativity - Paperback</image:title>
      <image:caption>The Perfect Theory: A Century of Geniuses and the Battle Over General Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/basic-aspects-of-the-quantum-theory-of-solids-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lrNdmzCzZa9780521835213.webp?v=1783114233</image:loc>
      <image:title>Basic Aspects of the Quantum Theory of Solids - Hardcover</image:title>
      <image:caption>Basic Aspects of the Quantum Theory of Solids</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geometrical-and-trigonometric-optics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3-XScGUBEj9780521887465.webp?v=1783114262</image:loc>
      <image:title>Geometrical and Trigonometric Optics - Hardcover</image:title>
      <image:caption>Geometrical and Trigonometric Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/semiconductor-quantum-optics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/97Pz9T-8Hc9780521875097.webp?v=1783114269</image:loc>
      <image:title>Semiconductor Quantum Optics - Hardcover</image:title>
      <image:caption>Semiconductor Quantum Optics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/great-pyramid-passages-and-chambers-v2-the-measurements-of-the-great-pyramid-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iuaT72noX99780548133859.webp?v=1783116112</image:loc>
      <image:title>Great Pyramid Passages And Chambers V2: The Measurements Of The Great Pyramid - Hardcover</image:title>
      <image:caption>Great Pyramid Passages And Chambers V2: The Measurements Of The Great Pyramid</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/brilliant-the-evolution-of-artificial-light-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tcuZ6HgyAW9780547520346.webp?v=1781537797</image:loc>
      <image:title>Brilliant: The Evolution of Artificial Light - Paperback</image:title>
      <image:caption>Brilliant: The Evolution of Artificial Light</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-god-equation-the-quest-for-a-theory-of-everything-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/93WkgL6jBY9780525434566.webp?v=1781516094</image:loc>
      <image:title>The God Equation: The Quest for a Theory of Everything - Paperback</image:title>
      <image:caption>The God Equation: The Quest for a Theory of Everything</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/evolution-of-the-thermometer-1592-1743-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BORnFG-g6k9780548509593.webp?v=1783116115</image:loc>
      <image:title>Evolution Of The Thermometer, 1592-1743 - Paperback</image:title>
      <image:caption>Evolution Of The Thermometer, 1592-1743</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/data-analysis-for-physical-scientists-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8mFdaxaNfD9780521883726.webp?v=1783114270</image:loc>
      <image:title>Data Analysis for Physical Scientists - Hardcover</image:title>
      <image:caption>Data Analysis for Physical Scientists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-world-around-us-a-modern-guide-to-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WkL5wF840e9780548448649.webp?v=1783116099</image:loc>
      <image:title>The World Around Us: A Modern Guide to Physics - Paperback</image:title>
      <image:caption>The World Around Us: A Modern Guide to Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electricity-and-matter-1904-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/H3jUqD-dua9780548674116.webp?v=1781537802</image:loc>
      <image:title>Electricity And Matter (1904) - Paperback</image:title>
      <image:caption>Electricity And Matter (1904)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-solid-earth-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bp4onhc8da9780521893077.webp?v=1783114271</image:loc>
      <image:title>The Solid Earth - Paperback</image:title>
      <image:caption>The Solid Earth</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electro-horticulture-1898-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/n5KUFDODQF9780548583685.webp?v=1783116099</image:loc>
      <image:title>Electro-Horticulture (1898) - Paperback</image:title>
      <image:caption>Electro-Horticulture (1898)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-concise-geologic-time-scale-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0PEoBF767M9780521898492.webp?v=1783114234</image:loc>
      <image:title>The Concise Geologic Time Scale - Hardcover</image:title>
      <image:caption>The Concise Geologic Time Scale</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-4-percent-universe-dark-matter-dark-energy-and-the-race-to-discover-the-rest-of-reality-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Q2VYZVmMwJ9780547577579.webp?v=1781537798</image:loc>
      <image:title>The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality - Paperback</image:title>
      <image:caption>The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/deployable-antenna-kinematics-using-tensegrity-structure-design-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Q3lpU2bC1_9780530001197.webp?v=1783116103</image:loc>
      <image:title>Deployable Antenna Kinematics Using Tensegrity Structure Design - Hardcover</image:title>
      <image:caption>Deployable Antenna Kinematics Using Tensegrity Structure Design</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-theory-and-practice-of-tone-relations-an-elementary-course-of-harmony-1900-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0I8bBCwk-J9780548758113.webp?v=1783116100</image:loc>
      <image:title>The Theory And Practice Of Tone Relations: An Elementary Course Of Harmony (1900) - Paperback</image:title>
      <image:caption>The Theory And Practice Of Tone Relations: An Elementary Course Of Harmony (1900)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/time-reborn-from-the-crisis-in-physics-to-the-future-of-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5Kncj41EJr9780544245594.webp?v=1781516580</image:loc>
      <image:title>Time Reborn: From the Crisis in Physics to the Future of the Universe - Paperback</image:title>
      <image:caption>Time Reborn: From the Crisis in Physics to the Future of the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/on-naval-warfare-with-steam-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TaL60IlBUn9780548301920.webp?v=1781537799</image:loc>
      <image:title>On Naval Warfare With Steam - Paperback</image:title>
      <image:caption>On Naval Warfare With Steam</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/more-than-human-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Hiaozy2a4v9780557582334.webp?v=1781538689</image:loc>
      <image:title>More Than Human - Paperback</image:title>
      <image:caption>More Than Human</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-nature-of-human-nature-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Fg1VImv_v59780557457939.webp?v=1783118005</image:loc>
      <image:title>The Nature of Human Nature - Paperback</image:title>
      <image:caption>The Nature of Human Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/matter-and-energy-1912-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mYvcJLwMqd9780548630655.webp?v=1783116101</image:loc>
      <image:title>Matter And Energy (1912) - Paperback</image:title>
      <image:caption>Matter And Energy (1912)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-to-cool-the-planet-geoengineering-and-the-audacious-quest-to-fix-earths-climate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Kme01bvHGf9780547520230.webp?v=1781537797</image:loc>
      <image:title>How to Cool the Planet: Geoengineering and the Audacious Quest to Fix Earth&apos;s Climate - Paperback</image:title>
      <image:caption>How to Cool the Planet: Geoengineering and the Audacious Quest to Fix Earth&apos;s Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/medical-massage-cares-fsmtb-massage-bodywork-licensing-examination-mblex-study-guide-2010-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ksObX0gtIL9780557099504.webp?v=1783116116</image:loc>
      <image:title>Medical Massage Care&apos;s FSMTB Massage &amp; Bodywork Licensing Examination MBLEx Study Guide 2010 Edition - Paperback</image:title>
      <image:caption>Medical Massage Care&apos;s FSMTB Massage &amp; Bodywork Licensing Examination MBLEx Study Guide 2010 Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-gendered-self-further-commentary-on-the-transsexual-phenomenon-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fpcJbH393d9780557735334.webp?v=1783118005</image:loc>
      <image:title>The Gendered Self Further commentary on the transsexual phenomenon - Paperback</image:title>
      <image:caption>The Gendered Self Further commentary on the transsexual phenomenon</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-wonderful-century-its-successes-and-failures-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/P3GqdNfhIg9780548098523.webp?v=1783116104</image:loc>
      <image:title>The Wonderful Century: Its Successes And Failures - Hardcover</image:title>
      <image:caption>The Wonderful Century: Its Successes And Failures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/living-in-space-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XfA3u94HYl9780578021379.webp?v=1783119731</image:loc>
      <image:title>Living in Space - Paperback</image:title>
      <image:caption>Living in Space</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lasso-round-the-moon-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KM_WtKs2As9780548387191.webp?v=1783116097</image:loc>
      <image:title>Lasso Round the Moon - Paperback</image:title>
      <image:caption>Lasso Round the Moon</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-brief-history-of-time-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/i1tNFHF5QG9780553380163.webp?v=1781539300</image:loc>
      <image:title>A Brief History of Time - Paperback</image:title>
      <image:caption>A Brief History of Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/diary-of-a-legal-drug-dealer-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gVTKAA5yZV9780557115853.webp?v=1783116101</image:loc>
      <image:title>Diary of a Legal Drug Dealer - Paperback</image:title>
      <image:caption>Diary of a Legal Drug Dealer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/practical-pyrometry-the-theory-calibration-and-use-of-instruments-for-the-measurement-of-high-temperatures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RRhC_mZNy9780548508527.webp?v=1781537800</image:loc>
      <image:title>Practical Pyrometry: The Theory, Calibration And Use Of Instruments For The Measurement Of High Temperatures - Paperback</image:title>
      <image:caption>Practical Pyrometry: The Theory, Calibration And Use Of Instruments For The Measurement Of High Temperatures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/planetary-grid-systems-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SS-WOAZf1A9780557500345.webp?v=1783118007</image:loc>
      <image:title>Planetary Grid Systems - Paperback</image:title>
      <image:caption>Planetary Grid Systems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/understanding-anxiety-depression-and-bipolar-disorder-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Zmi9nO0rco9780578079059.webp?v=1783119732</image:loc>
      <image:title>Understanding Anxiety, Depression and Bipolar Disorder - Paperback</image:title>
      <image:caption>Understanding Anxiety, Depression and Bipolar Disorder</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-isle-of-seven-moons-a-romance-of-uncharted-seas-and-untrodden-shores-1922-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BbQuCHfqCO9780548576953.webp?v=1783116097</image:loc>
      <image:title>The Isle Of Seven Moons: A Romance Of Uncharted Seas And Untrodden Shores (1922) - Paperback</image:title>
      <image:caption>The Isle Of Seven Moons: A Romance Of Uncharted Seas And Untrodden Shores (1922)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forensic-light-a-beginners-guide-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eIo4-sWfa9780578029061.webp?v=1783119728</image:loc>
      <image:title>Forensic Light: A Beginner&apos;s Guide - Paperback</image:title>
      <image:caption>Forensic Light: A Beginner&apos;s Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/h-k-porter-company-builders-of-light-locomotives-steamed-and-compressed-air-1908-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KG2Yar7gPh9780548670187.webp?v=1783116105</image:loc>
      <image:title>H. K. Porter Company: Builders Of Light Locomotives, Steamed And Compressed Air (1908) - Paperback</image:title>
      <image:caption>H. K. Porter Company: Builders Of Light Locomotives, Steamed And Compressed Air (1908)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/maps-myths-paradigms-with-a-side-of-cophee-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0Vbt0AFjmF9780578408705.webp?v=1781539638</image:loc>
      <image:title>Maps, Myths &amp; Paradigms: With a Side of COPHEE - Paperback</image:title>
      <image:caption>Maps, Myths &amp; Paradigms: With a Side of COPHEE</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-story-of-the-plate-tectonics-revolution-a-geology-coloring-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/728IJuAO9n9780578946887.webp?v=1781538687</image:loc>
      <image:title>The Story of the Plate Tectonics Revolution: A Geology Coloring Book - Paperback</image:title>
      <image:caption>The Story of the Plate Tectonics Revolution: A Geology Coloring Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-minds-sky-human-intelligence-in-a-cosmic-context-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8klvj4slKN9780553371338.webp?v=1781539298</image:loc>
      <image:title>The Mind&apos;s Sky: Human Intelligence in a Cosmic Context - Paperback</image:title>
      <image:caption>The Mind&apos;s Sky: Human Intelligence in a Cosmic Context</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-theory-and-clinical-application-in-orthopaedic-manual-physical-therapy-scientific-therapeutic-exercise-progressions-step-the-back-and-low-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/goEVL2Q_Lj9780578015583.webp?v=1781539634</image:loc>
      <image:title>Science, Theory and Clinical Application in Orthopaedic Manual Physical Therapy: Scientific Therapeutic Exercise Progressions (STEP): The Back and Low - Paperback</image:title>
      <image:caption>Science, Theory and Clinical Application in Orthopaedic Manual Physical Therapy: Scientific Therapeutic Exercise Progressions (STEP): The Back and Low</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/man-12-000-years-under-the-sea-a-story-of-underwater-archaeology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Cgx3SMhWpz9780595094493.webp?v=1783144889</image:loc>
      <image:title>Man: 12,000 Years Under the Sea, a Story of Underwater Archaeology - Paperback</image:title>
      <image:caption>Man: 12,000 Years Under the Sea, a Story of Underwater Archaeology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gemmotherapy-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/j2pmfE8zpZ9780557150984.webp?v=1783116103</image:loc>
      <image:title>Gemmotherapy - Hardcover</image:title>
      <image:caption>Gemmotherapy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-manufacture-of-boots-and-shoes-being-a-modern-treatise-of-all-the-processes-of-making-and-manufacturing-footgear-1902-hardcover-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fqKt5fjnXx9780548983881.webp?v=1783116106</image:loc>
      <image:title>The Manufacture Of Boots And Shoes: Being A Modern Treatise Of All The Processes Of Making And Manufacturing Footgear (1902) - Hardcover</image:title>
      <image:caption>The Manufacture Of Boots And Shoes: Being A Modern Treatise Of All The Processes Of Making And Manufacturing Footgear (1902)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-first-book-of-sound-a-basic-guide-to-the-science-of-acoustics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Xu-PSqT8DX9780578424514.webp?v=1781539635</image:loc>
      <image:title>The First Book of Sound: A Basic Guide to the Science of Acoustics - Paperback</image:title>
      <image:caption>The First Book of Sound: A Basic Guide to the Science of Acoustics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/earthdance-living-systems-in-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ov51XtYzGj9780595130672.webp?v=1783144890</image:loc>
      <image:title>EarthDance: Living Systems in Evolution - Paperback</image:title>
      <image:caption>EarthDance: Living Systems in Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lectures-on-the-reflexive-games-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GU5Za38KOU9780578065946.webp?v=1783119729</image:loc>
      <image:title>Lectures on the Reflexive Games Theory - Paperback</image:title>
      <image:caption>Lectures on the Reflexive Games Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mild-traumatic-brain-injury-the-guidebook-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eJYH3C0kIj9780557528882.webp?v=1783118007</image:loc>
      <image:title>Mild Traumatic Brain Injury: The Guidebook - Paperback</image:title>
      <image:caption>Mild Traumatic Brain Injury: The Guidebook</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ivf-a-patients-guide-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TZwHGEcXmg9780557731008.webp?v=1783118004</image:loc>
      <image:title>Ivf: A Patient&apos;s Guide - Paperback</image:title>
      <image:caption>Ivf: A Patient&apos;s Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mountain-environments-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XFv9CrEcH09780582419117.webp?v=1783144883</image:loc>
      <image:title>Mountain Environments - Paperback</image:title>
      <image:caption>Mountain Environments</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mirror-matter-pioneering-antimatter-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7G7ZNBzWEa9780595198177.webp?v=1783144890</image:loc>
      <image:title>Mirror Matter: Pioneering Antimatter Physics - Paperback</image:title>
      <image:caption>Mirror Matter: Pioneering Antimatter Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/in-the-grip-of-paranoid-schizophrenia-third-edition-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/L4HePrE22y9780578209012.webp?v=1783119730</image:loc>
      <image:title>In The Grip of Paranoid Schizophrenia - Third Edition - Hardcover</image:title>
      <image:caption>In The Grip of Paranoid Schizophrenia - Third Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/move-on-with-parkinsons-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ESVE4z8axr9780557064991.webp?v=1781538688</image:loc>
      <image:title>Move On with PARKINSON&apos;S - Paperback</image:title>
      <image:caption>Move On with PARKINSON&apos;S</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mathematical-methods-for-chemistry-beginners-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9MRNKQf9xl9780595176465.webp?v=1783144884</image:loc>
      <image:title>Mathematical Methods for Chemistry Beginners - Paperback</image:title>
      <image:caption>Mathematical Methods for Chemistry Beginners</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/acute-care-homeopathy-for-sciatica-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/E_zbzaQGhp9780557105601.webp?v=1783116098</image:loc>
      <image:title>Acute Care - Homeopathy for Sciatica - Paperback</image:title>
      <image:caption>Acute Care - Homeopathy for Sciatica</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-mechanics-quantum-field-theory-geometry-language-logic-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HaHq7T7sug9780595336906.webp?v=1783143087</image:loc>
      <image:title>Quantum Mechanics, Quantum Field Theory: Geometry, Language, Logic - Paperback</image:title>
      <image:caption>Quantum Mechanics, Quantum Field Theory: Geometry, Language, Logic</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/and-nothing-happened-but-you-can-make-it-happen-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FBKHzn3kYQ9780578016870.webp?v=1783119730</image:loc>
      <image:title>And Nothing Happened...But YOU Can Make It Happen! - Paperback</image:title>
      <image:caption>And Nothing Happened...But YOU Can Make It Happen!</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-river-that-flows-uphill-a-journey-from-the-big-bang-to-the-big-brain-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EHYlbOzfp89780595167005.webp?v=1783144885</image:loc>
      <image:title>The River That Flows Uphill: A Journey from the Big Bang to the Big Brain - Paperback</image:title>
      <image:caption>The River That Flows Uphill: A Journey from the Big Bang to the Big Brain</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/everything-you-know-is-wrong-book-1-human-origins-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NBrt7soIbE9780595127498.webp?v=1781540382</image:loc>
      <image:title>Everything You Know Is Wrong, Book 1: Human Origins - Paperback</image:title>
      <image:caption>Everything You Know Is Wrong, Book 1: Human Origins</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-first-look-at-animals-with-backbones-and-a-first-look-at-animals-without-backbones-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8EWYSNKTs89780595291229.webp?v=1783143088</image:loc>
      <image:title>A First Look at Animals With Backbones and A First Look at Animals Without Backbones - Paperback</image:title>
      <image:caption>A First Look at Animals With Backbones and A First Look at Animals Without Backbones</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-astronautics-the-project-possum-suborbital-noctilucent-cloud-tomography-mission-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tD1AZUQuFm9780578161426.webp?v=1781539635</image:loc>
      <image:title>Fundamentals of Astronautics: The &apos;Project PoSSUM&apos; Suborbital Noctilucent Cloud Tomography Mission - Hardcover</image:title>
      <image:caption>Fundamentals of Astronautics: The &apos;Project PoSSUM&apos; Suborbital Noctilucent Cloud Tomography Mission</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-alzheimers-surprise-party-unveiling-the-mystery-inner-experience-and-gifts-of-dementia-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/f-Wl5bkrI99780578022765.webp?v=1783119725</image:loc>
      <image:title>An Alzheimer&apos;s Surprise Party: Unveiling the Mystery, Inner Experience, and Gifts of Dementia - Paperback</image:title>
      <image:caption>An Alzheimer&apos;s Surprise Party: Unveiling the Mystery, Inner Experience, and Gifts of Dementia</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-to-stop-global-warming-the-great-hydrogen-diet-conspiracy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JheEgU5cLu9780595381159.webp?v=1783143084</image:loc>
      <image:title>How to Stop Global Warming: The Great Hydrogen Diet &amp; Conspiracy - Paperback</image:title>
      <image:caption>How to Stop Global Warming: The Great Hydrogen Diet &amp; Conspiracy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-the-universe-volume-i-complexity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LiowMsKDaO9780595416783.webp?v=1783121490</image:loc>
      <image:title>A History of the Universe: Volume I: Complexity - Paperback</image:title>
      <image:caption>A History of the Universe: Volume I: Complexity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-human-odyssey-four-million-years-of-human-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VkQK9mF7149780595186983.webp?v=1783144885</image:loc>
      <image:title>The Human Odyssey: Four Million Years of Human Evolution - Paperback</image:title>
      <image:caption>The Human Odyssey: Four Million Years of Human Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-tri-state-tornado-the-story-of-americas-greatest-tornado-disaster-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oX_6Olu01K9780595311880.webp?v=1781540382</image:loc>
      <image:title>The Tri-State Tornado: The Story of America&apos;s Greatest Tornado Disaster - Paperback</image:title>
      <image:caption>The Tri-State Tornado: The Story of America&apos;s Greatest Tornado Disaster</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-nanoscope-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kbQn95iIVw9780578223070.webp?v=1781539636</image:loc>
      <image:title>The Nanoscope - Paperback</image:title>
      <image:caption>The Nanoscope</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/glozel-bones-of-contention-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q9b_mxpApu9780595670673.webp?v=1783121490</image:loc>
      <image:title>Glozel: Bones of Contention - Hardcover</image:title>
      <image:caption>Glozel: Bones of Contention</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gravity-decoded-exploring-the-structure-of-space-energy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KTR0l8HyZm9780595209699.webp?v=1783143085</image:loc>
      <image:title>Gravity Decoded: Exploring the Structure of Space-Energy - Paperback</image:title>
      <image:caption>Gravity Decoded: Exploring the Structure of Space-Energy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/trials-paperback-3</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QBGuniQ-c39780578008530.webp?v=1783119726</image:loc>
      <image:title>Trials - Paperback</image:title>
      <image:caption>Trials</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/world-trade-and-biological-exchanges-before-1492-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fSKFwP0_mQ9780595524419.webp?v=1783121488</image:loc>
      <image:title>World Trade and Biological Exchanges Before 1492 - Paperback</image:title>
      <image:caption>World Trade and Biological Exchanges Before 1492</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/using-geochemical-data-evaluation-presentation-interpretation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7ufSA_YGcJ9780582067011.webp?v=1783144887</image:loc>
      <image:title>Using Geochemical Data: Evaluation, Presentation, Interpretation - Paperback</image:title>
      <image:caption>Using Geochemical Data: Evaluation, Presentation, Interpretation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/prostitution-and-trafficking-in-nevada-making-the-connections-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wWZfnsDUuJ9780615162058.webp?v=1783123263</image:loc>
      <image:title>Prostitution and Trafficking in Nevada: Making the Connections - Paperback</image:title>
      <image:caption>Prostitution and Trafficking in Nevada: Making the Connections</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/project-genesis-decoding-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jSLQa2k8o_9780595344901.webp?v=1783143086</image:loc>
      <image:title>Project Genesis: Decoding the Universe - Paperback</image:title>
      <image:caption>Project Genesis: Decoding the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/illustrated-guide-to-home-chemistry-experiments-all-lab-no-lecture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eB8lurOJdc9780596514921.webp?v=1781540633</image:loc>
      <image:title>Illustrated Guide to Home Chemistry Experiments: All Lab, No Lecture - Paperback</image:title>
      <image:caption>Illustrated Guide to Home Chemistry Experiments: All Lab, No Lecture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gods-other-son-isaac-newton-the-link-between-science-and-religion-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IaM9N9yj8u9780595129577.webp?v=1783144888</image:loc>
      <image:title>God&apos;s Other Son, Isaac Newton: The Link Between Science and Religion - Paperback</image:title>
      <image:caption>God&apos;s Other Son, Isaac Newton: The Link Between Science and Religion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/teaching-nursing-in-the-clinical-setting-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Owh0bRoAJ09780615195261.webp?v=1783123264</image:loc>
      <image:title>Teaching Nursing in the Clinical Setting - Paperback</image:title>
      <image:caption>Teaching Nursing in the Clinical Setting</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/rehabilitation-medicine-and-thermography-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IWAs13R_tL9780615187211.webp?v=1781540634</image:loc>
      <image:title>Rehabilitation Medicine and Thermography - Paperback</image:title>
      <image:caption>Rehabilitation Medicine and Thermography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/slipstring-drive-string-theory-gravity-and-faster-than-light-travel-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EJRFz7G4c19780595408221.webp?v=1783121488</image:loc>
      <image:title>SlipString Drive: String Theory, Gravity, and &quot;Faster Than Light&quot; Travel - Paperback</image:title>
      <image:caption>SlipString Drive: String Theory, Gravity, and &quot;Faster Than Light&quot; Travel</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-relativity-of-all-things-beyond-spacetime-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/P_OeKB3xyh9780578456508.webp?v=1783119727</image:loc>
      <image:title>The Relativity of All Things: Beyond Spacetime - Paperback</image:title>
      <image:caption>The Relativity of All Things: Beyond Spacetime</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/growth-and-development-ecosystems-phenomenology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fggkXv_myD9780595001453.webp?v=1783144888</image:loc>
      <image:title>Growth and Development: Ecosystems Phenomenology - Paperback</image:title>
      <image:caption>Growth and Development: Ecosystems Phenomenology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-little-book-of-scientific-writing-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/be_SWH-Ook9780615446189.webp?v=1783123265</image:loc>
      <image:title>The Little Book of Scientific Writing - Paperback</image:title>
      <image:caption>The Little Book of Scientific Writing</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-illusion-of-death-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RxOazWU5kA9780615205496.webp?v=1783123258</image:loc>
      <image:title>The Illusion of Death - Paperback</image:title>
      <image:caption>The Illusion of Death</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lifting-the-veil-the-feminine-face-of-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UbQ0MhOJXL9780595457717.webp?v=1783121489</image:loc>
      <image:title>Lifting the Veil: The Feminine Face of Science - Paperback</image:title>
      <image:caption>Lifting the Veil: The Feminine Face of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/deep-sea-detectives-maritime-mysteries-and-forensic-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7UfYmzqUKW9780595376049.webp?v=1781540384</image:loc>
      <image:title>Deep-Sea Detectives: Maritime Mysteries and Forensic Science - Paperback</image:title>
      <image:caption>Deep-Sea Detectives: Maritime Mysteries and Forensic Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-golden-thread-that-weaves-a-fabric-of-reason-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vEaJkeJmZ_9780615750576.webp?v=1783125070</image:loc>
      <image:title>The Golden Thread: That weaves a fabric of reason - Paperback</image:title>
      <image:caption>The Golden Thread: That weaves a fabric of reason</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/field-palaeontology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1pwLEln0HA9780582356252.webp?v=1783144880</image:loc>
      <image:title>Field Palaeontology - Paperback</image:title>
      <image:caption>Field Palaeontology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-geek-atlas-128-places-where-science-technology-come-alive-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NAhN1Uxxzv9780596523206.webp?v=1781540634</image:loc>
      <image:title>The Geek Atlas: 128 Places Where Science &amp; Technology Come Alive - Paperback</image:title>
      <image:caption>The Geek Atlas: 128 Places Where Science &amp; Technology Come Alive</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-world-according-to-homo-sapiens-or-why-we-humans-experience-the-world-the-way-we-do-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9NfjKO0GR49780595346028.webp?v=1781540385</image:loc>
      <image:title>The World According To Homo Sapiens: (Or Why We Humans Experience The World The Way We Do) - Paperback</image:title>
      <image:caption>The World According To Homo Sapiens: (Or Why We Humans Experience The World The Way We Do)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/wild-health-how-animals-keep-themselves-will-and-what-we-can-learn-from-them-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qhDXT8NguV9780618340682.webp?v=1781540930</image:loc>
      <image:title>Wild Health: How Animals Keep Themselves Will and What We Can Learn from Them - Paperback</image:title>
      <image:caption>Wild Health: How Animals Keep Themselves Will and What We Can Learn from Them</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gilgamesh-in-the-21st-century-a-personal-quest-to-understand-mortality-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/guqigfIdT19780615968605.webp?v=1783128671</image:loc>
      <image:title>Gilgamesh in the 21st Century: A Personal Quest to Understand Mortality - Hardcover</image:title>
      <image:caption>Gilgamesh in the 21st Century: A Personal Quest to Understand Mortality</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/toward-self-sanity-on-the-genetic-origins-of-the-human-character-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pR7HkOHTLU9780615262147.webp?v=1781540635</image:loc>
      <image:title>Toward Self &amp; Sanity: On the Genetic Origins of the Human Character - Paperback</image:title>
      <image:caption>Toward Self &amp; Sanity: On the Genetic Origins of the Human Character</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/killer-smog-the-worlds-worst-air-pollution-disaster-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tIfsZNZbiR9780595171842.webp?v=1783144881</image:loc>
      <image:title>Killer Smog: The World&apos;s Worst Air Pollution Disaster - Paperback</image:title>
      <image:caption>Killer Smog: The World&apos;s Worst Air Pollution Disaster</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-trouble-with-physics-the-rise-of-string-theory-the-fall-of-a-science-and-what-comes-next-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hl26JB51eF9780618918683.webp?v=1781541179</image:loc>
      <image:title>The Trouble with Physics: The Rise of String Theory, the Fall of a Science, and What Comes Next - Paperback</image:title>
      <image:caption>The Trouble with Physics: The Rise of String Theory, the Fall of a Science, and What Comes Next</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einsteins-greatest-mistake-abandonment-of-the-aether-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DskAJVdfBa9780595374816.webp?v=1783143086</image:loc>
      <image:title>Einstein&apos;s Greatest Mistake: Abandonment of the Aether - Paperback</image:title>
      <image:caption>Einstein&apos;s Greatest Mistake: Abandonment of the Aether</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gilgamesh-in-the-21st-century-a-personal-quest-to-understand-mortality-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jxmOCTGvUD9780615953151.webp?v=1781540924</image:loc>
      <image:title>Gilgamesh in the 21st Century: A Personal Quest to Understand Mortality - Paperback</image:title>
      <image:caption>Gilgamesh in the 21st Century: A Personal Quest to Understand Mortality</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/bent-out-of-shape-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ws9Kc-_X-39780615292090.webp?v=1781540636</image:loc>
      <image:title>Bent Out of Shape - Paperback</image:title>
      <image:caption>Bent Out of Shape</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chance-in-the-house-of-fate-a-natural-history-of-heredity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TDmXO4KYRd9780618219094.webp?v=1783128674</image:loc>
      <image:title>Chance in the House of Fate: A Natural History of Heredity - Paperback</image:title>
      <image:caption>Chance in the House of Fate: A Natural History of Heredity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-scientific-worldview-beyond-newton-and-einstein-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QcOEqQgGzd9780595837731.webp?v=1783123259</image:loc>
      <image:title>The Scientific Worldview: Beyond Newton and Einstein - Hardcover</image:title>
      <image:caption>The Scientific Worldview: Beyond Newton and Einstein</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/merchants-of-immortality-chasing-the-dream-of-human-life-extension-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/t8hasCf1dV9780618492213.webp?v=1783128671</image:loc>
      <image:title>Merchants of Immortality: Chasing the Dream of Human Life Extension - Paperback</image:title>
      <image:caption>Merchants of Immortality: Chasing the Dream of Human Life Extension</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-the-shaman-stole-the-moon-in-search-of-ancient-prophet-scientists-from-stonehenge-to-the-grand-canyon-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NF-m1-4Y5X9780595166930.webp?v=1783144882</image:loc>
      <image:title>How the Shaman Stole the Moon: In Search of Ancient Prophet-Scientists from Stonehenge to the Grand Canyon - Paperback</image:title>
      <image:caption>How the Shaman Stole the Moon: In Search of Ancient Prophet-Scientists from Stonehenge to the Grand Canyon</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-american-river-from-paradise-to-superfund-afloat-on-new-jerseys-passaic-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4Uo5Vvp2rh9780615601793.webp?v=1781540924</image:loc>
      <image:title>An American River: From Paradise to Superfund, Afloat on New Jersey&apos;s Passaic - Paperback</image:title>
      <image:caption>An American River: From Paradise to Superfund, Afloat on New Jersey&apos;s Passaic</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geography-militant-cultures-of-exploration-and-empire-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/m6ltpjk9vF9780631201120.webp?v=1783128674</image:loc>
      <image:title>Geography Militant: Cultures of Exploration and Empire - Paperback</image:title>
      <image:caption>Geography Militant: Cultures of Exploration and Empire</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/medical-marijuana-caregivers-journal-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3bt0jtqN9780615157528.webp?v=1783123260</image:loc>
      <image:title>Medical Marijuana Caregiver&apos;s Journal - Paperback</image:title>
      <image:caption>Medical Marijuana Caregiver&apos;s Journal</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-geographical-tradition-episodes-in-the-history-of-a-contested-enterprise-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0ta7DFNdCt9780631185864.webp?v=1783128672</image:loc>
      <image:title>The Geographical Tradition: Episodes in the History of a Contested Enterprise - Paperback</image:title>
      <image:caption>The Geographical Tradition: Episodes in the History of a Contested Enterprise</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/time-travel-in-einsteins-universe-the-physical-possibilities-of-travel-through-time-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iUKSC0hpcO9780618257355.webp?v=1781540925</image:loc>
      <image:title>Time Travel in Einstein&apos;s Universe: The Physical Possibilities of Travel Through Time - Paperback</image:title>
      <image:caption>Time Travel in Einstein&apos;s Universe: The Physical Possibilities of Travel Through Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/has-feminism-changed-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/39_JuHPHbD9780674005440.webp?v=1781543263</image:loc>
      <image:title>Has Feminism Changed Science? - Paperback</image:title>
      <image:caption>Has Feminism Changed Science?</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-field-theory-conformal-group-theory-conformal-field-theory-mathematical-and-conceptual-foundations-physical-and-geometrical-applications-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IwzEcV0QSN9780595336920.webp?v=1783143083</image:loc>
      <image:title>Quantum Field Theory Conformal Group Theory Conformal Field Theory: Mathematical and Conceptual Foundations Physical and Geometrical Applications - Paperback</image:title>
      <image:caption>Quantum Field Theory Conformal Group Theory Conformal Field Theory: Mathematical and Conceptual Foundations Physical and Geometrical Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dragonflies-and-damselflies-odonata-of-texas-volume-3-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ij8aLCfqkW9780615194943.webp?v=1783123262</image:loc>
      <image:title>Dragonflies and Damselflies (Odonata) of Texas, Volume 3 - Paperback</image:title>
      <image:caption>Dragonflies and Damselflies (Odonata) of Texas, Volume 3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/polymers-in-oil-and-gas-industry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/V-y6INlArG9780648220510.webp?v=1783126895</image:loc>
      <image:title>Polymers in Oil and Gas Industry - Paperback</image:title>
      <image:caption>Polymers in Oil and Gas Industry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-devils-chaplain-reflections-on-hope-lies-science-and-love-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/e6YhHtvGun9780618485390.webp?v=1781540926</image:loc>
      <image:title>A Devil&apos;s Chaplain: Reflections on Hope, Lies, Science, and Love - Paperback</image:title>
      <image:caption>A Devil&apos;s Chaplain: Reflections on Hope, Lies, Science, and Love</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-extended-organism-the-physiology-of-animal-built-structures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tGHnDnuWp79780674009851.webp?v=1781543263</image:loc>
      <image:title>The Extended Organism: The Physiology of Animal-Built Structures - Paperback</image:title>
      <image:caption>The Extended Organism: The Physiology of Animal-Built Structures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/parallel-universes-the-search-for-other-worlds-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uGnf-7wBSi9780671696016.webp?v=1781541575</image:loc>
      <image:title>Parallel Universes: The Search for Other Worlds - Paperback</image:title>
      <image:caption>Parallel Universes: The Search for Other Worlds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/facing-up-science-and-its-cultural-adversaries-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4B3VNieApV9780674011205.webp?v=1781543264</image:loc>
      <image:title>Facing Up: Science and Its Cultural Adversaries - Paperback</image:title>
      <image:caption>Facing Up: Science and Its Cultural Adversaries</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/heliostat-fields-a-classical-approach-to-analysis-and-layout-optimization-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KhRjn1u1th9780620718349.webp?v=1783128672</image:loc>
      <image:title>Heliostat Fields: A Classical Approach to Analysis and Layout Optimization - Paperback</image:title>
      <image:caption>Heliostat Fields: A Classical Approach to Analysis and Layout Optimization</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geodesy-whats-that-my-personal-involvement-in-the-age-old-quest-for-the-size-and-shape-of-the-earth-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3smn_zEuB09780595363995.webp?v=1781540372</image:loc>
      <image:title>Geodesy? What&apos;s That?: My Personal Involvement in the Age-Old Quest for the Size and Shape of the Earth - Paperback</image:title>
      <image:caption>Geodesy? What&apos;s That?: My Personal Involvement in the Age-Old Quest for the Size and Shape of the Earth</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sparks-of-life-darwinism-and-the-victorian-debates-over-spontaneous-generation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/n_OxZ332lt9780674009998.webp?v=1781543245</image:loc>
      <image:title>Sparks of Life: Darwinism and the Victorian Debates Over Spontaneous Generation - Paperback</image:title>
      <image:caption>Sparks of Life: Darwinism and the Victorian Debates Over Spontaneous Generation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/high-tide-on-main-street-rising-sea-level-and-the-coming-coastal-crisis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LJtfy7qFBE9780615637952.webp?v=1783125069</image:loc>
      <image:title>High Tide On Main Street: Rising Sea Level and the Coming Coastal Crisis - Paperback</image:title>
      <image:caption>High Tide On Main Street: Rising Sea Level and the Coming Coastal Crisis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-fantastic-book-of-physics-jokes-for-everyone-not-just-physicists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZINk2d5gcH9780645220650.webp?v=1781541178</image:loc>
      <image:title>The Fantastic Book of Physics Jokes: For Everyone, Not Just Physicists - Paperback</image:title>
      <image:caption>The Fantastic Book of Physics Jokes: For Everyone, Not Just Physicists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/monad-to-man-the-concept-of-progress-in-evolutionary-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wXOHXmdNBu9780674032484.webp?v=1781543266</image:loc>
      <image:title>Monad to Man: The Concept of Progress in Evolutionary Biology - Paperback</image:title>
      <image:caption>Monad to Man: The Concept of Progress in Evolutionary Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/spirit-of-the-hive-the-mechanisms-of-social-evolution-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/x7rnE74IGx9780674073029.webp?v=1784524708</image:loc>
      <image:title>Spirit of the Hive: The Mechanisms of Social Evolution - Hardcover</image:title>
      <image:caption>Spirit of the Hive: The Mechanisms of Social Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/shrinking-the-cat-genetic-engineering-before-we-knew-about-genes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/z3zo3RACEE9780618257485.webp?v=1781540927</image:loc>
      <image:title>Shrinking the Cat: Genetic Engineering Before We Knew about Genes - Paperback</image:title>
      <image:caption>Shrinking the Cat: Genetic Engineering Before We Knew about Genes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-history-of-time-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pHJl5Rp4x59780646580692.webp?v=1783126896</image:loc>
      <image:title>The History of Time: Universe - Paperback</image:title>
      <image:caption>The History of Time: Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/information-the-new-language-of-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1JmXrHLexk9780674018570.webp?v=1781543267</image:loc>
      <image:title>Information: The New Language of Science - Paperback</image:title>
      <image:caption>Information: The New Language of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-x-in-sex-how-the-x-chromosome-controls-our-lives-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/g4JwlcxM09780674016217.webp?v=1781543245</image:loc>
      <image:title>The X in Sex: How the X Chromosome Controls Our Lives - Paperback</image:title>
      <image:caption>The X in Sex: How the X Chromosome Controls Our Lives</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/absolute-zero-and-the-conquest-of-cold-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PlHKuoop0d9780618082391.webp?v=1781540929</image:loc>
      <image:title>Absolute Zero and the Conquest of Cold: And the Conquest of Cold - Paperback</image:title>
      <image:caption>Absolute Zero and the Conquest of Cold: And the Conquest of Cold</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/hierarchy-in-the-forest-the-evolution-of-egalitarian-behavior-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QyYD9yQs9C9780674006911.webp?v=1781543247</image:loc>
      <image:title>Hierarchy in the Forest: The Evolution of Egalitarian Behavior - Paperback</image:title>
      <image:caption>Hierarchy in the Forest: The Evolution of Egalitarian Behavior</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/practical-matter-newtons-science-in-the-service-of-industry-and-empire-1687-1851-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ht3l8dGwBr9780674022423.webp?v=1781543269</image:loc>
      <image:title>Practical Matter: Newton&apos;s Science in the Service of Industry and Empire, 1687-1851 - Paperback</image:title>
      <image:caption>Practical Matter: Newton&apos;s Science in the Service of Industry and Empire, 1687-1851</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-theory-of-everything-solved-a-simplified-explanation-of-the-nature-of-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dAYad-s1i49780595511075.webp?v=1783121486</image:loc>
      <image:title>The Theory of Everything, Solved: A simplified explanation of the nature of the universe - Paperback</image:title>
      <image:caption>The Theory of Everything, Solved: A simplified explanation of the nature of the universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einstein-1905-the-standard-of-greatness-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Oh9T75BxOD9780674021044.webp?v=1781543246</image:loc>
      <image:title>Einstein 1905: The Standard of Greatness - Paperback</image:title>
      <image:caption>Einstein 1905: The Standard of Greatness</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-tangled-field-barbara-mcclintocks-search-for-the-patterns-of-genetic-control-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LIcAhdJsGu9780674011083.webp?v=1781543248</image:loc>
      <image:title>The Tangled Field: Barbara McClintock&apos;s Search for the Patterns of Genetic Control - Paperback</image:title>
      <image:caption>The Tangled Field: Barbara McClintock&apos;s Search for the Patterns of Genetic Control</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/y-descent-of-men-the-descent-of-men-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xm-uB1WT0H9780618565610.webp?v=1783128673</image:loc>
      <image:title>Y Descent of Men: The Descent of Men - Paperback</image:title>
      <image:caption>Y Descent of Men: The Descent of Men</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/flying-buttresses-entropy-and-o-rings-the-world-of-an-engineer-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q4D3jq22l-9780674306899.webp?v=1781543515</image:loc>
      <image:title>Flying Buttresses, Entropy, and O-Rings: The World of an Engineer - Paperback</image:title>
      <image:caption>Flying Buttresses, Entropy, and O-Rings: The World of an Engineer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/head-first-physics-a-learners-companion-to-mechanics-and-practical-physics-ap-physics-b-advanced-placement-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uCIc3f0uAn9780596102371.webp?v=1781540631</image:loc>
      <image:title>Head First Physics: A Learner&apos;s Companion to Mechanics and Practical Physics (AP Physics B - Advanced Placement) - Paperback</image:title>
      <image:caption>Head First Physics: A Learner&apos;s Companion to Mechanics and Practical Physics (AP Physics B - Advanced Placement)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/experiments-in-plant-hybridisation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QVnt7qoSIj9780674278004.webp?v=1781543502</image:loc>
      <image:title>Experiments in Plant Hybridisation - Paperback</image:title>
      <image:caption>Experiments in Plant Hybridisation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/making-sense-of-life-explaining-biological-development-with-models-metaphors-and-machines-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Zi1Mh2C7Ui9780674012509.webp?v=1781543250</image:loc>
      <image:title>Making Sense of Life: Explaining Biological Development with Models, Metaphors, and Machines - Paperback</image:title>
      <image:caption>Making Sense of Life: Explaining Biological Development with Models, Metaphors, and Machines</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-god-particle-if-the-universe-is-the-answer-what-is-the-question-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JPYRNFp2uI9780618711680.webp?v=1781541178</image:loc>
      <image:title>The God Particle: If the Universe Is the Answer, What Is the Question? - Paperback</image:title>
      <image:caption>The God Particle: If the Universe Is the Answer, What Is the Question?</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/noise-matters-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WdMwBCTTvO9780674744127.webp?v=1781543516</image:loc>
      <image:title>Noise Matters - Hardcover</image:title>
      <image:caption>Noise Matters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/psyches-palace-how-the-brain-generates-the-light-of-the-soul-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/he2HOzDlVj9780615164113.webp?v=1783123257</image:loc>
      <image:title>Psyche&apos;s Palace: How the Brain Generates the Light of the Soul - Paperback</image:title>
      <image:caption>Psyche&apos;s Palace: How the Brain Generates the Light of the Soul</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/wilhelm-reich-biologist-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MTfgLGIoaa9780674736092.webp?v=1781543503</image:loc>
      <image:title>Wilhelm Reich, Biologist - Hardcover</image:title>
      <image:caption>Wilhelm Reich, Biologist</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/culturing-life-how-cells-became-technologies-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nnK08qHrgP9780674034761.webp?v=1781543251</image:loc>
      <image:title>Culturing Life: How Cells Became Technologies - Paperback</image:title>
      <image:caption>Culturing Life: How Cells Became Technologies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-scientific-imagination-with-a-new-introduction-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PGxeazM9tC9780674794887.webp?v=1781543517</image:loc>
      <image:title>The Scientific Imagination: With a New Introduction - Paperback</image:title>
      <image:caption>The Scientific Imagination: With a New Introduction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/im-working-on-that-a-trek-from-science-fiction-to-science-fact-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/R1cpU4J7e59780671047382.webp?v=1784524769</image:loc>
      <image:title>I&apos;m Working on That: A Trek from Science Fiction to Science Fact - Paperback</image:title>
      <image:caption>I&apos;m Working on That: A Trek from Science Fiction to Science Fact</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-psychodrama-papers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zI1rUmsKIe9780615198781.webp?v=1783123257</image:loc>
      <image:title>The Psychodrama Papers - Paperback</image:title>
      <image:caption>The Psychodrama Papers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-growth-of-biological-thought-diversity-evolution-and-inheritance-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BjJowQOFZY9780674364462.webp?v=1781543504</image:loc>
      <image:title>The Growth of Biological Thought: Diversity, Evolution, and Inheritance - Paperback</image:title>
      <image:caption>The Growth of Biological Thought: Diversity, Evolution, and Inheritance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/keywords-concepts-in-evolutionary-developmental-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/O_I6ihj5jO9780674022409.webp?v=1781543253</image:loc>
      <image:title>Keywords &amp; Concepts in Evolutionary Developmental Biology - Paperback</image:title>
      <image:caption>Keywords &amp; Concepts in Evolutionary Developmental Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beamtimes-and-lifetimes-the-world-of-high-energy-physicists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UlH-KlOeMQ9780674063488.webp?v=1781543269</image:loc>
      <image:title>Beamtimes and Lifetimes: The World of High Energy Physicists - Paperback</image:title>
      <image:caption>Beamtimes and Lifetimes: The World of High Energy Physicists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-century-of-the-gene-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4mGx3Zxgpa9780674008250.webp?v=1781543257</image:loc>
      <image:title>The Century of the Gene - Paperback</image:title>
      <image:caption>The Century of the Gene</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/from-stone-to-star-a-view-of-modern-geology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/29qdPUUJ019780674838673.webp?v=1781543505</image:loc>
      <image:title>From Stone to Star: A View of Modern Geology - Paperback</image:title>
      <image:caption>From Stone to Star: A View of Modern Geology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dont-sell-your-coat-surprising-truths-about-climate-change-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Jvxm9D3nzX9780615569048.webp?v=1781540632</image:loc>
      <image:title>Don&apos;t Sell Your Coat: Surprising Truths About Climate Change - Paperback</image:title>
      <image:caption>Don&apos;t Sell Your Coat: Surprising Truths About Climate Change</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-unnatural-nature-of-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yct7ebraaU9780674929814.webp?v=1781543519</image:loc>
      <image:title>The Unnatural Nature of Science - Paperback</image:title>
      <image:caption>The Unnatural Nature of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einstein-history-and-other-passions-the-rebellion-against-science-at-the-end-of-the-twentieth-century-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fYbtU89oJh9780674004337.webp?v=1784524722</image:loc>
      <image:title>Einstein, History, and Other Passions: The Rebellion Against Science at the End of the Twentieth Century - Paperback</image:title>
      <image:caption>Einstein, History, and Other Passions: The Rebellion Against Science at the End of the Twentieth Century</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/this-is-biology-the-science-of-the-living-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rh2nmCxqS09780674884694.webp?v=1781543506</image:loc>
      <image:title>This Is Biology: The Science of the Living World - Paperback</image:title>
      <image:caption>This Is Biology: The Science of the Living World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lifting-the-impenetrable-veil-from-yellow-fever-to-ebola-hemorrhagic-fever-sars-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/dR_JwiMB5g9780615827735.webp?v=1783125068</image:loc>
      <image:title>Lifting the Impenetrable Veil: From Yellow Fever to Ebola Hemorrhagic Fever &amp; SARS - Paperback</image:title>
      <image:caption>Lifting the Impenetrable Veil: From Yellow Fever to Ebola Hemorrhagic Fever &amp; SARS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/superforce-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Xl1AxKkzJD9780671605735.webp?v=1784524778</image:loc>
      <image:title>Superforce - Paperback</image:title>
      <image:caption>Superforce</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fresh-a-perishable-history-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TAmgTSN5su9780674057227.webp?v=1781543254</image:loc>
      <image:title>Fresh: A Perishable History - Paperback</image:title>
      <image:caption>Fresh: A Perishable History</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/peacemaking-among-primates-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1y9D8--qQH9780674659216.webp?v=1781543520</image:loc>
      <image:title>Peacemaking Among Primates - Paperback</image:title>
      <image:caption>Peacemaking Among Primates</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/nerve-cells-and-insect-behavior-with-an-appreciation-by-john-g-hildebrand-revised-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kxqVjjSywN9780674608016.webp?v=1781543507</image:loc>
      <image:title>Nerve Cells and Insect Behavior: With an Appreciation by John G. Hildebrand, Revised Edition - Paperback</image:title>
      <image:caption>Nerve Cells and Insect Behavior: With an Appreciation by John G. Hildebrand, Revised Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/unweaving-the-rainbow-science-delusion-and-the-appetite-for-wonder-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eDi-jv5EVI9780618056736.webp?v=1781540923</image:loc>
      <image:title>Unweaving the Rainbow: Science, Delusion and the Appetite for Wonder - Paperback</image:title>
      <image:caption>Unweaving the Rainbow: Science, Delusion and the Appetite for Wonder</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/365-starry-nights-an-introduction-to-astronomy-for-every-night-of-the-year-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3OhImaTMCJ9780671766061.webp?v=1781541577</image:loc>
      <image:title>365 Starry Nights: An Introduction to Astronomy for Every Night of the Year - Paperback</image:title>
      <image:caption>365 Starry Nights: An Introduction to Astronomy for Every Night of the Year</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/living-at-micro-scale-the-unexpected-physics-of-being-small-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wXEeJLTbfV9780674060210.webp?v=1781543256</image:loc>
      <image:title>Living at Micro Scale: The Unexpected Physics of Being Small - Paperback</image:title>
      <image:caption>Living at Micro Scale: The Unexpected Physics of Being Small</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-science-of-desire-the-search-for-the-gay-gene-and-the-biology-of-behavior-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fscJzvEXx9780684804460.webp?v=1784524805</image:loc>
      <image:title>The Science of Desire: The Search for the Gay Gene and the Biology of Behavior - Paperback</image:title>
      <image:caption>The Science of Desire: The Search for the Gay Gene and the Biology of Behavior</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/tropical-nature-life-and-death-in-the-rain-forests-of-central-and-south-america-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Q0hx8GcAF59780684187105.webp?v=1781544189</image:loc>
      <image:title>Tropical Nature - Paperback</image:title>
      <image:caption>Tropical Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/from-clockwork-to-crapshoot-a-history-of-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kgD0gusCzf9780674034877.webp?v=1781543259</image:loc>
      <image:title>From Clockwork to Crapshoot: A History of Physics - Paperback</image:title>
      <image:caption>From Clockwork to Crapshoot: A History of Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/risk-a-practical-guide-for-deciding-whats-really-safe-and-whats-dangerous-in-the-world-around-you-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IfVseC1hnm9780618143726.webp?v=1783128668</image:loc>
      <image:title>Risk: A Practical Guide for Deciding What&apos;s Really Safe and What&apos;s Dangerous in the World Around You - Paperback</image:title>
      <image:caption>Risk: A Practical Guide for Deciding What&apos;s Really Safe and What&apos;s Dangerous in the World Around You</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-structure-and-interpretation-of-quantum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YUM1a91on9780674843929.webp?v=1781543508</image:loc>
      <image:title>The Structure and Interpretation of Quantum Mechanics - Paperback</image:title>
      <image:caption>The Structure and Interpretation of Quantum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/about-time-einsteins-unfinished-revolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/i0ufeFb3kT9780684818221.webp?v=1784524815</image:loc>
      <image:title>About Time: Einstein&apos;s Unfinished Revolution - Paperback</image:title>
      <image:caption>About Time: Einstein&apos;s Unfinished Revolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-dialectical-biologist-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nNuxw-mYqo9780674202832.webp?v=1781543511</image:loc>
      <image:title>The Dialectical Biologist - Paperback</image:title>
      <image:caption>The Dialectical Biologist</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-technology-and-society-a-sociological-approach-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KUnu83Lhrc9780631232100.webp?v=1783128669</image:loc>
      <image:title>Science, Technology, and Society: A Sociological Approach - Paperback</image:title>
      <image:caption>Science, Technology, and Society: A Sociological Approach</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/toward-a-new-philosophy-of-biology-observations-of-an-evolutionist-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/amB6TkZIot9780674896666.webp?v=1781543509</image:loc>
      <image:title>Toward a New Philosophy of Biology: Observations of an Evolutionist - Paperback</image:title>
      <image:caption>Toward a New Philosophy of Biology: Observations of an Evolutionist</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/third-culture-beyond-the-scientific-revolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/m_XMkw5x2b9780684823447.webp?v=1781544190</image:loc>
      <image:title>Third Culture: Beyond the Scientific Revolution - Paperback</image:title>
      <image:caption>Third Culture: Beyond the Scientific Revolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/at-the-waters-edge-fish-with-fingers-whales-with-legs-and-how-life-came-ashore-but-then-went-back-to-sea-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/trZ1-DSjQO9780684856230.webp?v=1781544195</image:loc>
      <image:title>At the Water&apos;s Edge: Fish with Fingers, Whales with Legs, and How Life Came Ashore But Then Went Back to Sea - Paperback</image:title>
      <image:caption>At the Water&apos;s Edge: Fish with Fingers, Whales with Legs, and How Life Came Ashore But Then Went Back to Sea</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fathoming-the-ocean-the-discovery-and-exploration-of-the-deep-sea-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/g8Apa8hCTp9780674027565.webp?v=1781543260</image:loc>
      <image:title>Fathoming the Ocean: The Discovery and Exploration of the Deep Sea - Paperback</image:title>
      <image:caption>Fathoming the Ocean: The Discovery and Exploration of the Deep Sea</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-birth-of-modern-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/C8Iga3Yc729780631227113.webp?v=1783128670</image:loc>
      <image:title>The Birth of Modern Science - Paperback</image:title>
      <image:caption>The Birth of Modern Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/one-river-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wUi9PJ0gXm9780684834962.webp?v=1781544192</image:loc>
      <image:title>One River - Paperback</image:title>
      <image:caption>One River</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ontogeny-and-phylogeny-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3pYrQ2RRt9780674639416.webp?v=1781543510</image:loc>
      <image:title>Ontogeny and Phylogeny - Paperback</image:title>
      <image:caption>Ontogeny and Phylogeny</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-universe-below-discovering-the-secrets-of-the-deep-sea-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/I4fWDUqMhn9780684838526.webp?v=1784524824</image:loc>
      <image:title>The Universe Below: Discovering the Secrets of the Deep Sea - Paperback</image:title>
      <image:caption>The Universe Below: Discovering the Secrets of the Deep Sea</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/tinkerers-accomplice-how-design-emerges-from-life-itself-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OvHViGDBjH9780674057531.webp?v=1781543262</image:loc>
      <image:title>Tinkerer&apos;s Accomplice: How Design Emerges from Life Itself - Paperback</image:title>
      <image:caption>Tinkerer&apos;s Accomplice: How Design Emerges from Life Itself</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-five-ages-of-the-universe-inside-the-physics-of-eternity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6YHtITlbLj9780684865768.webp?v=1781544194</image:loc>
      <image:title>The Five Ages of the Universe: Inside the Physics of Eternity - Paperback</image:title>
      <image:caption>The Five Ages of the Universe: Inside the Physics of Eternity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/wallace-darwin-and-the-origin-of-species-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cBffkLk4_9780674729698.webp?v=1781543511</image:loc>
      <image:title>Wallace, Darwin, and the Origin of Species - Hardcover</image:title>
      <image:caption>Wallace, Darwin, and the Origin of Species</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/survival-strategies-cooperation-and-conflict-in-animal-societies-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HJybY4KuAs9780674005570.webp?v=1781543233</image:loc>
      <image:title>Survival Strategies: Cooperation and Conflict in Animal Societies - Paperback</image:title>
      <image:caption>Survival Strategies: Cooperation and Conflict in Animal Societies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/stability-in-model-populations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BogwEpQPUb9780691007335.webp?v=1783130480</image:loc>
      <image:title>Stability in Model Populations - Paperback</image:title>
      <image:caption>Stability in Model Populations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-in-traditional-china-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/L0ehUg8HFX9780674794399.webp?v=1781543512</image:loc>
      <image:title>Science in Traditional China - Paperback</image:title>
      <image:caption>Science in Traditional China</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-collected-papers-of-albert-einstein-the-early-years-1879-1902-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3-TewCScHZ9780691084756.webp?v=1783130460</image:loc>
      <image:title>The Collected Papers of Albert Einstein: The Early Years, 1879-1902. - Paperback</image:title>
      <image:caption>The Collected Papers of Albert Einstein: The Early Years, 1879-1902.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-theory-of-island-biogeography-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0_k7wI56yu9780691088365.webp?v=1783130482</image:loc>
      <image:title>The Theory of Island Biogeography - Paperback</image:title>
      <image:caption>The Theory of Island Biogeography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cosmic-evolution-the-rise-of-complexity-in-nature-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JnNPVt8cgF9780674009875.webp?v=1781543234</image:loc>
      <image:title>Cosmic Evolution: The Rise of Complexity in Nature - Paperback</image:title>
      <image:caption>Cosmic Evolution: The Rise of Complexity in Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/linus-pauling-in-his-own-words-selections-from-his-writings-speeches-and-interviews-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eNEkeCZNPh9780684813875.webp?v=1784524739</image:loc>
      <image:title>Linus Pauling in His Own Words: Selections from His Writings, Speeches, and Interviews - Paperback</image:title>
      <image:caption>Linus Pauling in His Own Words: Selections from His Writings, Speeches, and Interviews</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/systematics-and-the-origin-of-species-from-the-viewpoint-of-a-zoologist-with-a-new-introduction-by-the-author-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cNKgKJAyYE9780674862500.webp?v=1781543513</image:loc>
      <image:title>Systematics and the Origin of Species from the Viewpoint of a Zoologist: With a New Introduction by the Author - Paperback</image:title>
      <image:caption>Systematics and the Origin of Species from the Viewpoint of a Zoologist: With a New Introduction by the Author</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/supernovae-and-nucleosynthesis-an-investigation-of-the-history-of-matter-from-the-big-bang-to-the-present-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CD7MPw-g5x9780691011479.webp?v=1783130461</image:loc>
      <image:title>Supernovae and Nucleosynthesis: An Investigation of the History of Matter, from the Big Bang to the Present - Paperback</image:title>
      <image:caption>Supernovae and Nucleosynthesis: An Investigation of the History of Matter, from the Big Bang to the Present</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-tests-of-time-readings-in-the-development-of-physical-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sHeNATh-O99780691090856.webp?v=1783130482</image:loc>
      <image:title>The Tests of Time: Readings in the Development of Physical Theory - Paperback</image:title>
      <image:caption>The Tests of Time: Readings in the Development of Physical Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/guinea-pigs-history-of-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yBP2lbmmbe9780674032279.webp?v=1781543236</image:loc>
      <image:title>Guinea Pig&apos;s History of Biology - Paperback</image:title>
      <image:caption>Guinea Pig&apos;s History of Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dreams-of-a-final-theory-the-scientists-search-for-the-ultimate-laws-of-nature-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eswsB18QTx9780679744085.webp?v=1781543838</image:loc>
      <image:title>Dreams of a Final Theory: The Scientist&apos;s Search for the Ultimate Laws of Nature - Paperback</image:title>
      <image:caption>Dreams of a Final Theory: The Scientist&apos;s Search for the Ultimate Laws of Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/imagined-worlds-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YoafBA4Idm9780674539099.webp?v=1781543514</image:loc>
      <image:title>Imagined Worlds - Paperback</image:title>
      <image:caption>Imagined Worlds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/what-science-is-and-how-it-works-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qYl00kgVf9780691095509.webp?v=1781544711</image:loc>
      <image:title>What Science Is and How It Works - Paperback</image:title>
      <image:caption>What Science Is and How It Works</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einstein-and-religion-physics-and-theology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PfwfxKHPSI9780691102979.webp?v=1781544718</image:loc>
      <image:title>Einstein and Religion: Physics and Theology - Paperback</image:title>
      <image:caption>Einstein and Religion: Physics and Theology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/right-hand-left-hand-the-origins-of-asymmetry-in-brains-bodies-atoms-and-cultures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lRYfOWi2u79780674016132.webp?v=1781543238</image:loc>
      <image:title>Right Hand, Left Hand: The Origins of Asymmetry in Brains, Bodies, Atoms and Cultures - Paperback</image:title>
      <image:caption>Right Hand, Left Hand: The Origins of Asymmetry in Brains, Bodies, Atoms and Cultures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-knowledge-web-from-electronic-agents-to-stonehenge-and-back-and-other-journeys-through-knowledge-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7P-2GvbKrF9780684859354.webp?v=1783130467</image:loc>
      <image:title>The Knowledge Web: From Electronic Agents to Stonehenge and Back -- And Other Journeys Through Knowledge - Paperback</image:title>
      <image:caption>The Knowledge Web: From Electronic Agents to Stonehenge and Back -- And Other Journeys Through Knowledge</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/after-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XxdB65BKjb9780674970878.webp?v=1781543514</image:loc>
      <image:title>After Physics - Paperback</image:title>
      <image:caption>After Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/aquatic-photosynthesis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3fE1S5ZAV19780691115511.webp?v=1783130461</image:loc>
      <image:title>Aquatic Photosynthesis - Paperback</image:title>
      <image:caption>Aquatic Photosynthesis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-descent-of-man-and-selection-in-relation-to-sex-paperback-3</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IxZ4GH0qaR9780691023694.webp?v=1781544719</image:loc>
      <image:title>The Descent of Man, and Selection in Relation to Sex - Paperback</image:title>
      <image:caption>The Descent of Man, and Selection in Relation to Sex</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/engineering-an-endless-frontier-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GdrcOjLCkH9780674019782.webp?v=1781543238</image:loc>
      <image:title>Engineering--An Endless Frontier - Paperback</image:title>
      <image:caption>Engineering--An Endless Frontier</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cosmology-and-controversy-the-historical-development-of-two-theories-of-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8-MWLXpd6H9780691005461.webp?v=1783130469</image:loc>
      <image:title>Cosmology and Controversy: The Historical Development of Two Theories of the Universe - Paperback</image:title>
      <image:caption>Cosmology and Controversy: The Historical Development of Two Theories of the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/measure-for-measure-a-musical-history-of-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vbKrnL1CHj9780684804347.webp?v=1784524787</image:loc>
      <image:title>Measure for Measure: A Musical History of Science - Paperback</image:title>
      <image:caption>Measure for Measure: A Musical History of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-quantum-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/32Q4AjU2vr9780691023885.webp?v=1783130483</image:loc>
      <image:title>The Quantum World - Paperback</image:title>
      <image:caption>The Quantum World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einsteins-other-theory-the-planck-bose-einstein-theory-of-heat-capacity-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1bne26wFd49780691118260.webp?v=1783130461</image:loc>
      <image:title>Einstein&apos;s Other Theory: The Planck-Bose-Einstein Theory of Heat Capacity - Hardcover</image:title>
      <image:caption>Einstein&apos;s Other Theory: The Planck-Bose-Einstein Theory of Heat Capacity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/bones-and-ochre-the-curious-afterlife-of-the-red-lady-of-paviland-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OkqXIwoL_X9780674024991_3a91cd13-6b4c-4ab8-bf80-bb8609e834f2.webp?v=1781543239</image:loc>
      <image:title>Bones and Ochre: The Curious Afterlife of the Red Lady of Paviland - Hardcover</image:title>
      <image:caption>Bones and Ochre: The Curious Afterlife of the Red Lady of Paviland</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-the-leopard-changed-its-spots-the-evolution-of-complexity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bRatLkyTRN9780691088099.webp?v=1783130469</image:loc>
      <image:title>How the Leopard Changed Its Spots: The Evolution of Complexity - Paperback</image:title>
      <image:caption>How the Leopard Changed Its Spots: The Evolution of Complexity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/inside-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/l3wh_uEkHC9780691025209.webp?v=1781544720</image:loc>
      <image:title>Inside Relativity - Paperback</image:title>
      <image:caption>Inside Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-road-to-reality-a-complete-guide-to-the-laws-of-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/meOHFxSqtQ9780679776314.webp?v=1781543838</image:loc>
      <image:title>The Road to Reality: A Complete Guide to the Laws of the Universe - Paperback</image:title>
      <image:caption>The Road to Reality: A Complete Guide to the Laws of the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/men-evolutionary-and-life-history-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DeZfhux_Cg9780674030343.webp?v=1781543240</image:loc>
      <image:title>Men: Evolutionary and Life History - Paperback</image:title>
      <image:caption>Men: Evolutionary and Life History</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sex-allocation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rAAzs8RuyK9780691089645.webp?v=1783130469</image:loc>
      <image:title>Sex Allocation - Paperback</image:title>
      <image:caption>Sex Allocation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/encounters-with-einstein-and-other-essays-on-people-places-and-particles-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aNPEEJnAl19780691024332.webp?v=1783130462</image:loc>
      <image:title>Encounters with Einstein: And Other Essays on People, Places, and Particles - Paperback</image:title>
      <image:caption>Encounters with Einstein: And Other Essays on People, Places, and Particles</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/evolutionary-ecology-of-parasites-second-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rnWEY9k_OK9780691120850.webp?v=1783130483</image:loc>
      <image:title>Evolutionary Ecology of Parasites: Second Edition - Paperback</image:title>
      <image:caption>Evolutionary Ecology of Parasites: Second Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-lives-to-come-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MZv0cA63Q79780684827056.webp?v=1784524795</image:loc>
      <image:title>The Lives to Come - Paperback</image:title>
      <image:caption>The Lives to Come</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-generations-a-history-of-physics-in-the-twentieth-century-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5VadFvt1WF9780691095523.webp?v=1783130470</image:loc>
      <image:title>Quantum Generations: A History of Physics in the Twentieth Century - Paperback</image:title>
      <image:caption>Quantum Generations: A History of Physics in the Twentieth Century</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/supersymmetry-and-supergravity-revised-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5ng-hzZPMu9780691025308.webp?v=1783130463</image:loc>
      <image:title>Supersymmetry and Supergravity: Revised Edition - Paperback</image:title>
      <image:caption>Supersymmetry and Supergravity: Revised Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/statistical-computation-for-environmental-sciences-in-r-lab-manual-for-models-for-ecological-data-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/X69FOH26rw9780691122625.webp?v=1783130484</image:loc>
      <image:title>Statistical Computation for Environmental Sciences in R: Lab Manual for Models for Ecological Data - Paperback</image:title>
      <image:caption>Statistical Computation for Environmental Sciences in R: Lab Manual for Models for Ecological Data</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-fifth-miracle-the-search-for-the-origin-and-meaning-of-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/j_ReAr-T609780684863092.webp?v=1781544195</image:loc>
      <image:title>The Fifth Miracle: The Search for the Origin and Meaning of Life - Paperback</image:title>
      <image:caption>The Fifth Miracle: The Search for the Origin and Meaning of Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sociobiology-the-abridged-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pakvCyhQ_G9780674816244.webp?v=1781543499</image:loc>
      <image:title>Sociobiology: The Abridged Edition - Paperback</image:title>
      <image:caption>Sociobiology: The Abridged Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/animal-attractions-nature-on-display-in-american-zoos-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ShM074fSme9780691117706.webp?v=1783130470</image:loc>
      <image:title>Animal Attractions: Nature on Display in American Zoos - Paperback</image:title>
      <image:caption>Animal Attractions: Nature on Display in American Zoos</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-social-amoebae-the-biology-of-cellular-slime-molds-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DSZMRCAU2D9780691139395.webp?v=1783134036</image:loc>
      <image:title>The Social Amoebae: The Biology of Cellular Slime Molds - Hardcover</image:title>
      <image:caption>The Social Amoebae: The Biology of Cellular Slime Molds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/thematic-origins-of-scientific-thought-kepler-to-einstein-revised-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fuUhrhu1Kr9780674877481.webp?v=1781543501</image:loc>
      <image:title>Thematic Origins of Scientific Thought: Kepler to Einstein, Revised Edition - Paperback</image:title>
      <image:caption>Thematic Origins of Scientific Thought: Kepler to Einstein, Revised Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geographical-ecology-patterns-in-the-distribution-of-species-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IL1pdqty6w9780691023823.webp?v=1783130471</image:loc>
      <image:title>Geographical Ecology: Patterns in the Distribution of Species - Paperback</image:title>
      <image:caption>Geographical Ecology: Patterns in the Distribution of Species</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecological-stoichiometry-the-biology-of-elements-from-molecules-to-the-biosphere-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5nzUwi_OfZ9780691074917.webp?v=1781544715</image:loc>
      <image:title>Ecological Stoichiometry: The Biology of Elements from Molecules to the Biosphere - Paperback</image:title>
      <image:caption>Ecological Stoichiometry: The Biology of Elements from Molecules to the Biosphere</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geminoss-introduction-to-the-phenomena-a-translation-and-study-of-a-hellenistic-survey-of-astronomy-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cqj9J6Zx5J9780691123394.webp?v=1783130464</image:loc>
      <image:title>Geminos&apos;s Introduction to the Phenomena: A Translation and Study of a Hellenistic Survey of Astronomy - Hardcover</image:title>
      <image:caption>Geminos&apos;s Introduction to the Phenomena: A Translation and Study of a Hellenistic Survey of Astronomy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/qed-the-strange-theory-of-light-and-matter-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BWYVd1EHwE9780691164090.webp?v=1781544721</image:loc>
      <image:title>Qed: The Strange Theory of Light and Matter - Paperback</image:title>
      <image:caption>Qed: The Strange Theory of Light and Matter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/101-quantum-questions-what-you-need-to-know-about-the-world-you-cant-see-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lFWtNZIP-R9780674066076.webp?v=1781543243</image:loc>
      <image:title>101 Quantum Questions: What You Need to Know about the World You Can&apos;t See - Paperback</image:title>
      <image:caption>101 Quantum Questions: What You Need to Know about the World You Can&apos;t See</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/race-to-the-finish-identity-and-governance-in-an-age-of-genomics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bolBc5Zpg39780691118574.webp?v=1781544712</image:loc>
      <image:title>Race to the Finish: Identity and Governance in an Age of Genomics - Paperback</image:title>
      <image:caption>Race to the Finish: Identity and Governance in an Age of Genomics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/genetic-structure-and-selection-in-subdivided-populations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/slPsBMjW699780691088174.webp?v=1781544715</image:loc>
      <image:title>Genetic Structure and Selection in Subdivided Populations - Paperback</image:title>
      <image:caption>Genetic Structure and Selection in Subdivided Populations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/niche-construction-the-neglected-process-in-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/K792RNeXCz9780691044378.webp?v=1783130465</image:loc>
      <image:title>Niche Construction: The Neglected Process in Evolution - Paperback</image:title>
      <image:caption>Niche Construction: The Neglected Process in Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-grand-contraption-the-world-as-myth-number-and-chance-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QW2pYATB5Z9780691130538.webp?v=1783130484</image:loc>
      <image:title>The Grand Contraption: The World as Myth, Number, and Chance - Paperback</image:title>
      <image:caption>The Grand Contraption: The World as Myth, Number, and Chance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-physicists-the-history-of-a-scientific-community-in-modern-america-with-a-new-preface-by-the-author-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WRTXmPpLRf9780674666566.webp?v=1781543501</image:loc>
      <image:title>The Physicists: The History of a Scientific Community in Modern America, with a New Preface by the Author - Paperback</image:title>
      <image:caption>The Physicists: The History of a Scientific Community in Modern America, with a New Preface by the Author</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/archaeological-oceanography-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bylm6Gg4Qv9780691129402.webp?v=1783130466</image:loc>
      <image:title>Archaeological Oceanography - Hardcover</image:title>
      <image:caption>Archaeological Oceanography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/laws-of-the-game-how-the-principles-of-nature-govern-chance-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0ANhj6QwLU9780691025667.webp?v=1781544712</image:loc>
      <image:title>Laws of the Game: How the Principles of Nature Govern Chance - Paperback</image:title>
      <image:caption>Laws of the Game: How the Principles of Nature Govern Chance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/complex-population-dynamics-a-theoretical-empirical-synthesis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4abZ-P4PE89780691090214.webp?v=1783130474</image:loc>
      <image:title>Complex Population Dynamics: A Theoretical/Empirical Synthesis - Paperback</image:title>
      <image:caption>Complex Population Dynamics: A Theoretical/Empirical Synthesis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-concise-history-of-solar-and-stellar-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HrRv5O-gv29780691165929.webp?v=1783134037</image:loc>
      <image:title>A Concise History of Solar and Stellar Physics - Paperback</image:title>
      <image:caption>A Concise History of Solar and Stellar Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/stone-age-present-how-evolution-has-shaped-modern-life-from-sex-violence-and-language-to-emotions-morals-and-communities-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1q-gaJCSua9780684804552.webp?v=1784524655</image:loc>
      <image:title>Stone Age Present: How Evolution Has Shaped Modern Life -- From Sex, Violence and Language to Emotions, Morals and Communities - Paperback</image:title>
      <image:caption>Stone Age Present: How Evolution Has Shaped Modern Life -- From Sex, Violence and Language to Emotions, Morals and Communities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-did-the-first-stars-and-galaxies-form-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QCMDz9wc8l9780691145167.webp?v=1783134032</image:loc>
      <image:title>How Did the First Stars and Galaxies Form? - Paperback</image:title>
      <image:caption>How Did the First Stars and Galaxies Form?</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-interpretive-introduction-to-quantum-field-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VC5LKvPNAZ9780691016276.webp?v=1783130475</image:loc>
      <image:title>An Interpretive Introduction to Quantum Field Theory - Paperback</image:title>
      <image:caption>An Interpretive Introduction to Quantum Field Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einsteins-miraculous-year-five-papers-that-changed-the-face-of-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5mhOqQmM869780691122281.webp?v=1783130471</image:loc>
      <image:title>Einstein&apos;s Miraculous Year: Five Papers That Changed the Face of Physics - Paperback</image:title>
      <image:caption>Einstein&apos;s Miraculous Year: Five Papers That Changed the Face of Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/welcome-to-the-universe-an-astrophysical-tour-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SIBLRm8Ral9780691157245.webp?v=1781544723</image:loc>
      <image:title>Welcome to the Universe: An Astrophysical Tour - Hardcover</image:title>
      <image:caption>Welcome to the Universe: An Astrophysical Tour</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/time-detectives-how-archaeologist-use-technology-to-recapture-the-past-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wBB32E678q9780684818283.webp?v=1784524670</image:loc>
      <image:title>Time Detectives: How Archaeologist Use Technology to Recapture the Past - Paperback</image:title>
      <image:caption>Time Detectives: How Archaeologist Use Technology to Recapture the Past</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/meeting-at-grand-central-understanding-the-social-and-evolutionary-roots-of-cooperation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6P8QP0Zu5Q9780691166599.webp?v=1783134033</image:loc>
      <image:title>Meeting at Grand Central: Understanding the Social and Evolutionary Roots of Cooperation - Paperback</image:title>
      <image:caption>Meeting at Grand Central: Understanding the Social and Evolutionary Roots of Cooperation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/qed-and-the-men-who-made-it-dyson-feynman-schwinger-and-tomonaga-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/szvi0nE_wI9780691033273.webp?v=1783130474</image:loc>
      <image:title>Qed and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga - Paperback</image:title>
      <image:caption>Qed and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/caste-and-ecology-in-the-social-insects-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8cOG-l3qUa9780691023618.webp?v=1783130475</image:loc>
      <image:title>Caste and Ecology in the Social Insects - Paperback</image:title>
      <image:caption>Caste and Ecology in the Social Insects</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/strange-glow-the-story-of-radiation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/roF_3oziTf9780691178349.webp?v=1781544938</image:loc>
      <image:title>Strange Glow: The Story of Radiation - Paperback</image:title>
      <image:caption>Strange Glow: The Story of Radiation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-body-electric-electromagnetism-and-the-foundation-of-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lbUDGboIrl9780688069711.webp?v=1781544506</image:loc>
      <image:title>The Body Electric: Electromagnetism and the Foundation of Life - Paperback</image:title>
      <image:caption>The Body Electric: Electromagnetism and the Foundation of Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/why-big-fierce-animals-are-rare-an-ecologists-perspective-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pwHhK_IbBp9780691178080.webp?v=1781544933</image:loc>
      <image:title>Why Big Fierce Animals Are Rare: An Ecologist&apos;s Perspective - Paperback</image:title>
      <image:caption>Why Big Fierce Animals Are Rare: An Ecologist&apos;s Perspective</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-animal-locomotion-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/T3nRyKZ82k9780691126340.webp?v=1783130473</image:loc>
      <image:title>Principles of Animal Locomotion - Paperback</image:title>
      <image:caption>Principles of Animal Locomotion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/colour-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NyE97BmZpH9780691023861.webp?v=1783130476</image:loc>
      <image:title>Colour - Paperback</image:title>
      <image:caption>Colour</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/convexity-in-the-theory-of-lattice-gases-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hkwuI289gw9780691606194.webp?v=1783135885</image:loc>
      <image:title>Convexity in the Theory of Lattice Gases - Paperback</image:title>
      <image:caption>Convexity in the Theory of Lattice Gases</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/whole-shebang-a-state-of-the-universe-report-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rcGSiHEips9780684838618.webp?v=1784524690</image:loc>
      <image:title>The Whole Shebang: A State of the Universe Report - Paperback</image:title>
      <image:caption>The Whole Shebang: A State of the Universe Report</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sneaking-a-look-at-gods-cards-unraveling-the-mysteries-of-quantum-mechanics-revised-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JAFK39wNP49780691130378.webp?v=1783130474</image:loc>
      <image:title>Sneaking a Look at God&apos;s Cards: Unraveling the Mysteries of Quantum Mechanics - Revised Edition - Paperback</image:title>
      <image:caption>Sneaking a Look at God&apos;s Cards: Unraveling the Mysteries of Quantum Mechanics - Revised Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chesapeake-invader-discovering-americas-giant-meteorite-crater-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gmmTzvqDH_9780691603063.webp?v=1783135880</image:loc>
      <image:title>Chesapeake Invader: Discovering America&apos;s Giant Meteorite Crater - Paperback</image:title>
      <image:caption>Chesapeake Invader: Discovering America&apos;s Giant Meteorite Crater</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-causes-of-evolution-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/balYKdPI1w9780691024424.webp?v=1783130477</image:loc>
      <image:title>The Causes of Evolution - Paperback</image:title>
      <image:caption>The Causes of Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/plows-plagues-and-petroleum-how-humans-took-control-of-climate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YVozqfuPO_9780691173214.webp?v=1781544724</image:loc>
      <image:title>Plows, Plagues, and Petroleum: How Humans Took Control of Climate - Paperback</image:title>
      <image:caption>Plows, Plagues, and Petroleum: How Humans Took Control of Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/theories-of-population-variation-in-genes-and-genomes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PRxy_-d4u29780691165899.webp?v=1783134033</image:loc>
      <image:title>Theories of Population Variation in Genes and Genomes - Paperback</image:title>
      <image:caption>Theories of Population Variation in Genes and Genomes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physical-cosmology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/x8vlthO9JD9780691620138.webp?v=1781544934</image:loc>
      <image:title>Physical Cosmology - Paperback</image:title>
      <image:caption>Physical Cosmology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/programming-and-metaprogramming-in-the-human-biocomputer-theory-and-experiments-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NESXFiFjDk9780692217894.webp?v=1781544938</image:loc>
      <image:title>Programming and Metaprogramming in the Human Biocomputer: Theory and Experiments - Paperback</image:title>
      <image:caption>Programming and Metaprogramming in the Human Biocomputer: Theory and Experiments</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/life-in-moving-fluids-the-physical-biology-of-flow-revised-and-expanded-second-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6GvsXEC4mL9780691026169.webp?v=1783130478</image:loc>
      <image:title>Life in Moving Fluids: The Physical Biology of Flow - Revised and Expanded Second Edition - Paperback</image:title>
      <image:caption>Life in Moving Fluids: The Physical Biology of Flow - Revised and Expanded Second Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/virus-an-illustrated-guide-to-101-incredible-microbes-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ima-DSWb_i9780691166964.webp?v=1781544713</image:loc>
      <image:title>Virus: An Illustrated Guide to 101 Incredible Microbes - Hardcover</image:title>
      <image:caption>Virus: An Illustrated Guide to 101 Incredible Microbes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/adaptation-and-natural-selection-a-critique-of-some-current-evolutionary-thought-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/kO8MiNifM69780691182865.webp?v=1781544936</image:loc>
      <image:title>Adaptation and Natural Selection: A Critique of Some Current Evolutionary Thought - Paperback</image:title>
      <image:caption>Adaptation and Natural Selection: A Critique of Some Current Evolutionary Thought</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/general-theory-of-relativity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nWTfA_r6Uw9780691011462.webp?v=1783130453</image:loc>
      <image:title>General Theory of Relativity - Paperback</image:title>
      <image:caption>General Theory of Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemistry-concepts-coloring-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aaJQFn4y5R9780692182604.webp?v=1783137717</image:loc>
      <image:title>Chemistry Concepts Coloring Book - Paperback</image:title>
      <image:caption>Chemistry Concepts Coloring Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/why-toast-lands-jelly-side-down-zen-and-the-art-of-physics-demonstrations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XrTYwvfj5N9780691028873.webp?v=1783130478</image:loc>
      <image:title>Why Toast Lands Jelly-Side Down: Zen and the Art of Physics Demonstrations - Paperback</image:title>
      <image:caption>Why Toast Lands Jelly-Side Down: Zen and the Art of Physics Demonstrations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ptolemys-geography-an-annotated-translation-of-the-theoretical-chapters-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zXzH8a-LnY9780691092591.webp?v=1783130453</image:loc>
      <image:title>Ptolemy&apos;s Geography: An Annotated Translation of the Theoretical Chapters - Paperback</image:title>
      <image:caption>Ptolemy&apos;s Geography: An Annotated Translation of the Theoretical Chapters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-long-thaw-how-humans-are-changing-the-next-100-000-years-of-earths-climate-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gIwo2Mg3id9780691169064.webp?v=1781544713</image:loc>
      <image:title>The Long Thaw: How Humans Are Changing the Next 100,000 Years of Earth&apos;s Climate - Paperback</image:title>
      <image:caption>The Long Thaw: How Humans Are Changing the Next 100,000 Years of Earth&apos;s Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chm-2450-concepts-in-chemistry-workbook-for-pre-service-elementary-and-middle-school-teachers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5odKB6L-IL9780692084472.webp?v=1781544937</image:loc>
      <image:title>Chm 2450: Concepts in Chemistry Workbook for Pre-service Elementary and Middle School Teachers - Paperback</image:title>
      <image:caption>Chm 2450: Concepts in Chemistry Workbook for Pre-service Elementary and Middle School Teachers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fossils-description-interpretation-within-a-biblical-worldview-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zVaA9uNfPR9780692752036.webp?v=1783141279</image:loc>
      <image:title>Fossils: Description &amp; Interpretation: Within a Biblical Worldview - Paperback</image:title>
      <image:caption>Fossils: Description &amp; Interpretation: Within a Biblical Worldview</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecological-detective-confronting-models-with-data-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Dmx_HUFlRp9780691034973.webp?v=1783130479</image:loc>
      <image:title>The Ecological Detective: Confronting Models with Data - Paperback</image:title>
      <image:caption>The Ecological Detective: Confronting Models with Data</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-evolution-of-individuality-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ec6SMwg7PO9780691603544.webp?v=1783135881</image:loc>
      <image:title>The Evolution of Individuality - Paperback</image:title>
      <image:caption>The Evolution of Individuality</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-rightful-place-of-science-citizen-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hLeji6HEoi9780692694831.webp?v=1783139484</image:loc>
      <image:title>The Rightful Place of Science: Citizen Science - Paperback</image:title>
      <image:caption>The Rightful Place of Science: Citizen Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-rightful-place-of-science-science-on-the-verge-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jbLOk9xJII9780692596388.webp?v=1783139486</image:loc>
      <image:title>The Rightful Place of Science: Science on the Verge - Paperback</image:title>
      <image:caption>The Rightful Place of Science: Science on the Verge</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-space-environment-implications-for-spacecraft-design-revised-and-expanded-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/d6UscabZaj9780691102993.webp?v=1781544705</image:loc>
      <image:title>The Space Environment: Implications for Spacecraft Design - Revised and Expanded Edition - Paperback</image:title>
      <image:caption>The Space Environment: Implications for Spacecraft Design - Revised and Expanded Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-meaning-of-relativity-including-the-relativistic-theory-of-the-non-symmetric-field-fifth-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qx9OLpn9lu9780691164083.webp?v=1781544716</image:loc>
      <image:title>The Meaning of Relativity: Including the Relativistic Theory of the Non-Symmetric Field - Fifth Edition - Paperback</image:title>
      <image:caption>The Meaning of Relativity: Including the Relativistic Theory of the Non-Symmetric Field - Fifth Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-psychology-how-brain-software-programs-you-and-your-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fY7G7osu8J9780692767047.webp?v=1781545307</image:loc>
      <image:title>Quantum Psychology: How Brain Software Programs You and Your World - Paperback</image:title>
      <image:caption>Quantum Psychology: How Brain Software Programs You and Your World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/living-in-the-landscape-toward-an-aesthetics-of-environment-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1auy4bkRbz9780700608119.webp?v=1781545745</image:loc>
      <image:title>Living in the Landscape: Toward an Aesthetics of Environment - Hardcover</image:title>
      <image:caption>Living in the Landscape: Toward an Aesthetics of Environment</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/quantum-mechanics-for-hamiltonians-defined-as-quadratic-forms-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZLv7No2LGF9780691620329.webp?v=1783135882</image:loc>
      <image:title>Quantum Mechanics for Hamiltonians Defined as Quadratic Forms - Paperback</image:title>
      <image:caption>Quantum Mechanics for Hamiltonians Defined as Quadratic Forms</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/muscles-reflexes-and-locomotion-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2ntW1BxVjf9780691023762.webp?v=1783130454</image:loc>
      <image:title>Muscles, Reflexes, and Locomotion - Paperback</image:title>
      <image:caption>Muscles, Reflexes, and Locomotion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-seven-hills-of-rome-a-geological-tour-of-the-eternal-city-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2XzWJgK_IC9780691130385.webp?v=1783130480</image:loc>
      <image:title>The Seven Hills of Rome: A Geological Tour of the Eternal City - Paperback</image:title>
      <image:caption>The Seven Hills of Rome: A Geological Tour of the Eternal City</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ford-goes-looking-for-the-sun-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Nz_Dn2OLab9780692968338.webp?v=1783141275</image:loc>
      <image:title>Ford Goes Looking for the Sun - Paperback</image:title>
      <image:caption>Ford Goes Looking for the Sun</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chesapeake-invader-discovering-americas-giant-meteorite-crater-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/d0wCdfgHpX9780691629018.webp?v=1783135882</image:loc>
      <image:title>Chesapeake Invader: Discovering America&apos;s Giant Meteorite Crater - Hardcover</image:title>
      <image:caption>Chesapeake Invader: Discovering America&apos;s Giant Meteorite Crater</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/turning-the-world-inside-out-and-174-other-simple-physics-demonstrations-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/koGmWUfl9g9780691023953.webp?v=1783130455</image:loc>
      <image:title>Turning the World Inside Out and 174 Other Simple Physics Demonstrations - Paperback</image:title>
      <image:caption>Turning the World Inside Out and 174 Other Simple Physics Demonstrations</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-eternal-darkness-a-personal-history-of-deep-sea-exploration-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ythe3SvJLh9780691175621.webp?v=1781544718</image:loc>
      <image:title>The Eternal Darkness: A Personal History of Deep-Sea Exploration - Paperback</image:title>
      <image:caption>The Eternal Darkness: A Personal History of Deep-Sea Exploration</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-einstein-paradox-and-other-science-mysteries-solved-by-sherlock-holmes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CngeRorAMG9780738200231.webp?v=1783166538</image:loc>
      <image:title>The Einstein Paradox and Other Science Mysteries Solved by Sherlock Holmes - Paperback</image:title>
      <image:caption>The Einstein Paradox and Other Science Mysteries Solved by Sherlock Holmes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemistry-concepts-for-the-real-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/q1QMxAD2gz9780692933503.webp?v=1781545742</image:loc>
      <image:title>Chemistry Concepts for the Real World - Paperback</image:title>
      <image:caption>Chemistry Concepts for the Real World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/tesla-technology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LeHfdcN5pp9780692374122.webp?v=1781545308</image:loc>
      <image:title>Tesla Technology - Paperback</image:title>
      <image:caption>Tesla Technology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-aim-and-structure-of-physical-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/J31muZCmiN9780691025247.webp?v=1781544706</image:loc>
      <image:title>The Aim and Structure of Physical Theory - Paperback</image:title>
      <image:caption>The Aim and Structure of Physical Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-visioneers-how-a-group-of-elite-scientists-pursued-space-colonies-nanotechnologies-and-a-limitless-future-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Zqt4sM-TbD9780691176291.webp?v=1783134035</image:loc>
      <image:title>The Visioneers: How a Group of Elite Scientists Pursued Space Colonies, Nanotechnologies, and a Limitless Future - Paperback</image:title>
      <image:caption>The Visioneers: How a Group of Elite Scientists Pursued Space Colonies, Nanotechnologies, and a Limitless Future</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-dragon-seekers-how-an-extraordinary-cicle-of-fossilists-discovered-the-dinosaurs-and-paved-the-way-for-darwin-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/I0czRXF27U9780738206738.webp?v=1783146645</image:loc>
      <image:title>The Dragon Seekers: How an Extraordinary Cicle of Fossilists Discovered the Dinosaurs and Paved the Way for Darwin - Paperback</image:title>
      <image:caption>The Dragon Seekers: How an Extraordinary Cicle of Fossilists Discovered the Dinosaurs and Paved the Way for Darwin</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/collecting-the-dead-archaeology-and-the-reburial-issue-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Z2qVwkhe59780715632840.webp?v=1781546142</image:loc>
      <image:title>Collecting the Dead: Archaeology and the Reburial Issue - Paperback</image:title>
      <image:caption>Collecting the Dead: Archaeology and the Reburial Issue</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/organic-chemistry-hardcover-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jxRk4Sl6Jz9780692750773.webp?v=1781545310</image:loc>
      <image:title>Organic Chemistry - Hardcover</image:title>
      <image:caption>Organic Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/perfect-form-variational-principles-methods-and-applications-in-elementary-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1WXcTv8GtC9780691026633.webp?v=1783130456</image:loc>
      <image:title>Perfect Form: Variational Principles, Methods, and Applications in Elementary Physics - Paperback</image:title>
      <image:caption>Perfect Form: Variational Principles, Methods, and Applications in Elementary Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biological-specimen-preparation-for-transmission-electron-microscopy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VjlKRYvXCl9780691600154.webp?v=1783135883</image:loc>
      <image:title>Biological Specimen Preparation for Transmission Electron Microscopy - Paperback</image:title>
      <image:caption>Biological Specimen Preparation for Transmission Electron Microscopy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/natures-destiny-how-the-laws-of-biology-reveal-purpose-in-the-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Nz6Rs8gwO_9780743237628.webp?v=1783146646</image:loc>
      <image:title>Nature&apos;s Destiny: How the Laws of Biology Reveal Purpose in the Universe - Paperback</image:title>
      <image:caption>Nature&apos;s Destiny: How the Laws of Biology Reveal Purpose in the Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/children-of-prometheus-the-accelerating-pace-of-human-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/t3R53KE2By9780738201689.webp?v=1783166536</image:loc>
      <image:title>Children of Prometheus: The Accelerating Pace of Human Evolution - Paperback</image:title>
      <image:caption>Children of Prometheus: The Accelerating Pace of Human Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/verne-the-sperm-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IrgiUraPxL9780692723708.webp?v=1783141276</image:loc>
      <image:title>Verne the Sperm - Paperback</image:title>
      <image:caption>Verne the Sperm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/designing-the-molecular-world-chemistry-at-the-frontier-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5fBcKkm0GA9780691029009.webp?v=1783130457</image:loc>
      <image:title>Designing the Molecular World: Chemistry at the Frontier - Paperback</image:title>
      <image:caption>Designing the Molecular World: Chemistry at the Frontier</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/atom-and-void-essays-on-science-and-community-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fEDKhreduh9780691603742.webp?v=1783135884</image:loc>
      <image:title>Atom and Void: Essays on Science and Community - Paperback</image:title>
      <image:caption>Atom and Void: Essays on Science and Community</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lost-world-rewriting-prehistory-how-new-science-is-tracing-americas-ice-age-mariners-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Pypbkr9wDj9780743453592.webp?v=1783148420</image:loc>
      <image:title>Lost World: Rewriting Prehistory---How New Science Is Tracing America&apos;s Ice Age Mariners - Paperback</image:title>
      <image:caption>Lost World: Rewriting Prehistory---How New Science Is Tracing America&apos;s Ice Age Mariners</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/hemodynamics-for-the-cardiac-cath-lab-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5y0E5FUQN59780692980842.webp?v=1783141277</image:loc>
      <image:title>Hemodynamics for the Cardiac Cath Lab - Paperback</image:title>
      <image:caption>Hemodynamics for the Cardiac Cath Lab</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/social-evolution-in-ants-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mR8aNuCIYm9780691044262.webp?v=1783130458</image:loc>
      <image:title>Social Evolution in Ants - Paperback</image:title>
      <image:caption>Social Evolution in Ants</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mammoth-the-resurrection-of-an-ice-age-giant-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xhDjnLuSgn9780738207759.webp?v=1783146641</image:loc>
      <image:title>Mammoth: The Resurrection of an Ice Age Giant - Paperback</image:title>
      <image:caption>Mammoth: The Resurrection of an Ice Age Giant</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/times-arrow-and-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/49ugvwZNnM9780691622293.webp?v=1783135885</image:loc>
      <image:title>Time&apos;s Arrow and Evolution - Paperback</image:title>
      <image:caption>Time&apos;s Arrow and Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-cultural-history-of-climate-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hcya3G-gA69780745645285.webp?v=1783148421</image:loc>
      <image:title>A Cultural History of Climate - Hardcover</image:title>
      <image:caption>A Cultural History of Climate</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/five-bizzy-honey-bees-the-fun-and-factual-life-of-the-honey-bee-captivating-educational-and-fact-filled-picture-book-about-bees-for-toddlers-kids-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LiI410-ppv9780692997871.webp?v=1781545744</image:loc>
      <image:title>Five Bizzy Honey Bees - The Fun and Factual Life of the Honey Bee: Captivating, Educational and Fact-filled Picture Book about Bees for Toddlers, Kids - Paperback</image:title>
      <image:caption>Five Bizzy Honey Bees - The Fun and Factual Life of the Honey Bee: Captivating, Educational and Fact-filled Picture Book about Bees for Toddlers, Kids</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/conversations-on-electric-and-magnetic-fields-in-the-cosmos-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Lb22-csd599780691128412.webp?v=1783130458</image:loc>
      <image:title>Conversations on Electric and Magnetic Fields in the Cosmos - Paperback</image:title>
      <image:caption>Conversations on Electric and Magnetic Fields in the Cosmos</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-first-book-of-the-earth-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iuZJDbjLvR9780692090718.webp?v=1782944587</image:loc>
      <image:title>The First Book of the Earth - Paperback</image:title>
      <image:caption>The First Book of the Earth</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/can-science-fix-climate-change-a-case-against-climate-engineering-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iVrlkm2yiZ9780745682068.webp?v=1783148421</image:loc>
      <image:title>Can Science Fix Climate Change?: A Case Against Climate Engineering - Paperback</image:title>
      <image:caption>Can Science Fix Climate Change?: A Case Against Climate Engineering</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/reality-is-not-what-it-seems-the-journey-to-quantum-gravity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LuQn1J_Lcp9780735213937.webp?v=1781546365</image:loc>
      <image:title>Reality Is Not What It Seems: The Journey to Quantum Gravity - Paperback</image:title>
      <image:caption>Reality Is Not What It Seems: The Journey to Quantum Gravity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/extinction-how-life-on-earth-nearly-ended-250-million-years-ago-updated-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7iz8Tc51z49780691165653.webp?v=1781544707</image:loc>
      <image:title>Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition - Paperback</image:title>
      <image:caption>Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-double-helix-a-personal-account-of-the-discovery-of-the-structure-of-dna-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ni30f8ch8W9780743216302.webp?v=1781547523</image:loc>
      <image:title>The Double Helix: A Personal Account of the Discovery of the Structure of DNA - Paperback</image:title>
      <image:caption>The Double Helix: A Personal Account of the Discovery of the Structure of DNA</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/observations-on-w-d-gann-vol-1-periodicity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YkCVhBQYNz9780692378694.webp?v=1783137716</image:loc>
      <image:title>Observations on W.D. Gann Vol. 1: Periodicity - Paperback</image:title>
      <image:caption>Observations on W.D. Gann Vol. 1: Periodicity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-technicians-emi-handbook-clues-and-solutions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VVcgo7ap-W9780750672337.webp?v=1783148422</image:loc>
      <image:title>The Technician&apos;s EMI Handbook: Clues and Solutions - Paperback</image:title>
      <image:caption>The Technician&apos;s EMI Handbook: Clues and Solutions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fragile-dominion-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oZ11Jne_eD9780738203195.webp?v=1783146642</image:loc>
      <image:title>Fragile Dominion - Paperback</image:title>
      <image:caption>Fragile Dominion</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-planet-remade-how-geoengineering-could-change-the-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/28aQFOXDvB9780691175904.webp?v=1781544708</image:loc>
      <image:title>The Planet Remade: How Geoengineering Could Change the World - Paperback</image:title>
      <image:caption>The Planet Remade: How Geoengineering Could Change the World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/climate-change-and-society-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h8rdl7qmZB9780745650364.webp?v=1781547882</image:loc>
      <image:title>Climate Change and Society - Paperback</image:title>
      <image:caption>Climate Change and Society</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/carbon-fiber-composites-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/caEHmUuFn19780750691697.webp?v=1783148425</image:loc>
      <image:title>Carbon Fiber Composites - Hardcover</image:title>
      <image:caption>Carbon Fiber Composites</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/solutions-manual-for-organic-chemistry-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BFsFT3ylxV9780692750780.webp?v=1781545311</image:loc>
      <image:title>Solutions Manual for Organic Chemistry - Hardcover</image:title>
      <image:caption>Solutions Manual for Organic Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/waste-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/l0h6MdbzAf9780745687391.webp?v=1783148413</image:loc>
      <image:title>Waste - Hardcover</image:title>
      <image:caption>Waste</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-nature-of-space-and-time-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rqz9-SUWsB9780691168449.webp?v=1781544708</image:loc>
      <image:title>The Nature of Space and Time - Paperback</image:title>
      <image:caption>The Nature of Space and Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/in-search-of-planet-vulcan-the-ghost-in-newtons-clockwork-universe-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/z_5OLAgkqv9780738208893.webp?v=1783146644</image:loc>
      <image:title>In Search of Planet Vulcan: The Ghost in Newton&apos;s Clockwork Universe - Paperback</image:title>
      <image:caption>In Search of Planet Vulcan: The Ghost in Newton&apos;s Clockwork Universe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/destiny-matrix-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ID4Kro6RvX9780759696891.webp?v=1781548046</image:loc>
      <image:title>Destiny Matrix - Paperback</image:title>
      <image:caption>Destiny Matrix</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/when-the-dead-speak-the-art-and-science-of-paranormal-investigation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/P-qEi8m-Kl9780692595152.webp?v=1783139485</image:loc>
      <image:title>When the Dead Speak: The Art and Science of Paranormal Investigation - Paperback</image:title>
      <image:caption>When the Dead Speak: The Art and Science of Paranormal Investigation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-in-the-twentieth-century-and-beyond-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HtGa7GGap69780745634708.webp?v=1783148414</image:loc>
      <image:title>Science in the Twentieth Century and Beyond - Paperback</image:title>
      <image:caption>Science in the Twentieth Century and Beyond</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/parasite-rex-inside-the-bizarre-world-of-natures-most-dangerous-creatures-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YV6Me6oKTk9780743200110.webp?v=1781547525</image:loc>
      <image:title>Parasite Rex: Inside the Bizarre World of Nature&apos;s Most Dangerous Creatures - Paperback</image:title>
      <image:caption>Parasite Rex: Inside the Bizarre World of Nature&apos;s Most Dangerous Creatures</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-stubbornly-persistent-illusion-the-essential-scientific-works-of-albert-einstein-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/W9tvWzPBTH9780762435647.webp?v=1783150255</image:loc>
      <image:title>A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein - Paperback</image:title>
      <image:caption>A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dna-and-the-power-of-the-double-helix-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/O_AHaUGbZm9780692985427.webp?v=1783166537</image:loc>
      <image:title>DNA and the Power of the Double Helix - Paperback</image:title>
      <image:caption>DNA and the Power of the Double Helix</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-new-science-of-strong-materials-or-why-you-dont-fall-through-the-floor-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UECQ1dPYlo9780691180984.webp?v=1781544931</image:loc>
      <image:title>The New Science of Strong Materials: Or Why You Don&apos;t Fall Through the Floor - Paperback</image:title>
      <image:caption>The New Science of Strong Materials: Or Why You Don&apos;t Fall Through the Floor</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/darwins-black-box-the-biochemical-challenge-to-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/b2kJiFDX1g9780743290319.webp?v=1781547525</image:loc>
      <image:title>Darwin&apos;s Black Box: The Biochemical Challenge to Evolution - Paperback</image:title>
      <image:caption>Darwin&apos;s Black Box: The Biochemical Challenge to Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-cultural-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LpMkoRHoM9780759123298.webp?v=1781548042</image:loc>
      <image:title>Introduction to Cultural Ecology - Paperback</image:title>
      <image:caption>Introduction to Cultural Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fearful-symmetry-the-search-for-beauty-in-modern-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v7vchwjV_R9780691173269.webp?v=1781544710</image:loc>
      <image:title>Fearful Symmetry: The Search for Beauty in Modern Physics - Paperback</image:title>
      <image:caption>Fearful Symmetry: The Search for Beauty in Modern Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/monkeyluv-and-other-essays-on-our-lives-as-animals-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IoZza4vJYr9780743260169.webp?v=1781547527</image:loc>
      <image:title>Monkeyluv: And Other Essays on Our Lives as Animals - Paperback</image:title>
      <image:caption>Monkeyluv: And Other Essays on Our Lives as Animals</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forgotten-caves-of-bisbee-arizona-a-review-of-the-history-and-genesis-of-these-unique-features-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vsMZneRNVm9780692876862.webp?v=1783141278</image:loc>
      <image:title>Forgotten Caves of Bisbee, Arizona: A Review of the History and Genesis of These Unique Features - Hardcover</image:title>
      <image:caption>Forgotten Caves of Bisbee, Arizona: A Review of the History and Genesis of These Unique Features</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-earth-and-its-cycles-a-comparison-between-the-results-of-modern-geological-and-archaeological-research-and-the-statements-of-the-secret-doctrine-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cRJA9pnwPq9780766191464.webp?v=1781549603</image:loc>
      <image:title>The Earth and Its Cycles: A Comparison Between the Results of Modern Geological and Archaeological Research and the Statements of the Secret Doctrine - Paperback</image:title>
      <image:caption>The Earth and Its Cycles: A Comparison Between the Results of Modern Geological and Archaeological Research and the Statements of the Secret Doctrine</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/northern-san-diego-county-lagoons-historical-ecology-investigation-regional-patterns-local-diversity-and-landscape-trajectories-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8h94ZJmoCB9780692293744.webp?v=1783137715</image:loc>
      <image:title>Northern San Diego County Lagoons Historical Ecology Investigation: Regional Patterns, Local Diversity, and Landscape Trajectories - Paperback</image:title>
      <image:caption>Northern San Diego County Lagoons Historical Ecology Investigation: Regional Patterns, Local Diversity, and Landscape Trajectories</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/metamorphosis-of-the-world-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PnwNEH9Ie89780745690216.webp?v=1783148415</image:loc>
      <image:title>Metamorphosis of the World - Hardcover</image:title>
      <image:caption>Metamorphosis of the World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/where-the-water-goes-life-and-death-along-the-colorado-river-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PHxggVd85S9780735216099.webp?v=1782944990</image:loc>
      <image:title>Where the Water Goes: Life and Death Along the Colorado River - Paperback</image:title>
      <image:caption>Where the Water Goes: Life and Death Along the Colorado River</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/recent-advances-in-biotechnology-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/u0KBrt6Di39780792316329.webp?v=1781551740</image:loc>
      <image:title>Recent Advances in Biotechnology - Hardcover</image:title>
      <image:caption>Recent Advances in Biotechnology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/odic-force-or-letters-on-od-and-magnetism-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Hz8Pptje8Z9780766143371.webp?v=1783152090</image:loc>
      <image:title>Odic Force Or Letters on Od and Magnetism - Paperback</image:title>
      <image:caption>Odic Force Or Letters on Od and Magnetism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/tumbling-through-eternity-an-lsd-dmt-adventure-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v2a1lYrEjk9780692453278.webp?v=1783139483</image:loc>
      <image:title>Tumbling Through Eternity: An LSD &amp; DMT Adventure - Paperback</image:title>
      <image:caption>Tumbling Through Eternity: An LSD &amp; DMT Adventure</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-introduction-to-the-philosophy-of-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iD7KaboW4M9780745635392.webp?v=1783148416</image:loc>
      <image:title>An Introduction to the Philosophy of Science - Paperback</image:title>
      <image:caption>An Introduction to the Philosophy of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/creations-of-fire-chemistrys-lively-history-from-alchemy-to-the-atomic-age-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cjbvqdMhd9780738205946.webp?v=1781546772</image:loc>
      <image:title>Creations of Fire: Chemistry&apos;s Lively History from Alchemy to the Atomic Age - Paperback</image:title>
      <image:caption>Creations of Fire: Chemistry&apos;s Lively History from Alchemy to the Atomic Age</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/flavour-and-fragrance-chemistry-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/brihWh0E8M9780792362111.webp?v=1781551741</image:loc>
      <image:title>Flavour and Fragrance Chemistry - Hardcover</image:title>
      <image:caption>Flavour and Fragrance Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sync-the-emerging-science-of-spontaneous-order-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FmW5p7a1N9780786868445.webp?v=1781550666</image:loc>
      <image:title>Sync: The Emerging Science of Spontaneous Order - Hardcover</image:title>
      <image:caption>Sync: The Emerging Science of Spontaneous Order</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/agi-revolution-an-inside-view-of-the-rise-of-artificial-general-intelligence-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iVD3MoFFfy9780692756874.webp?v=1783141272</image:loc>
      <image:title>AGI Revolution: An Inside View of the Rise of Artificial General Intelligence - Paperback</image:title>
      <image:caption>AGI Revolution: An Inside View of the Rise of Artificial General Intelligence</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/civilizing-climate-social-responses-to-climate-change-in-the-ancient-near-east-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Mc9eJ5hlR99780759104945.webp?v=1781548045</image:loc>
      <image:title>Civilizing Climate: Social Responses to Climate Change in the Ancient Near East - Paperback</image:title>
      <image:caption>Civilizing Climate: Social Responses to Climate Change in the Ancient Near East</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/eye-of-the-storm-inside-the-worlds-deadliest-hurricanes-tornadoes-and-blizzards-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/roW7cMJqFZ9780738208916.webp?v=1781546773</image:loc>
      <image:title>Eye of the Storm: Inside the World&apos;s Deadliest Hurricanes, Tornadoes, and Blizzards - Paperback</image:title>
      <image:caption>Eye of the Storm: Inside the World&apos;s Deadliest Hurricanes, Tornadoes, and Blizzards</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/motherhood-the-elephant-in-the-laboratory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FUOi4joN2r9780801476693.webp?v=1783161136</image:loc>
      <image:title>Motherhood, the Elephant in the Laboratory - Paperback</image:title>
      <image:caption>Motherhood, the Elephant in the Laboratory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/envisioning-a-sustainable-society-learning-our-way-out-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/g8_DUSQQBL9780791401637.webp?v=1781551731</image:loc>
      <image:title>Envisioning a Sustainable Society: Learning Our Way Out - Paperback</image:title>
      <image:caption>Envisioning a Sustainable Society: Learning Our Way Out</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-solid-state-phase-transitions-ferromagnetism-and-ferroelectricity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BOPkVdJeXz9780759602182.webp?v=1783150251</image:loc>
      <image:title>Fundamentals of Solid-State Phase Transitions, Ferromagnetism and Ferroelectricity - Paperback</image:title>
      <image:caption>Fundamentals of Solid-State Phase Transitions, Ferromagnetism and Ferroelectricity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-rightful-place-of-science-climate-pragmatism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9yuopMgNf89780692897959.webp?v=1783141273</image:loc>
      <image:title>The Rightful Place of Science: Climate Pragmatism - Paperback</image:title>
      <image:caption>The Rightful Place of Science: Climate Pragmatism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sneakiest-uses-for-everyday-things-how-to-make-a-boomerang-with-a-business-card-convert-a-pencil-into-a-microphone-and-more-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9zAqgtk_AX9780740768743.webp?v=1781546949</image:loc>
      <image:title>Sneakiest Uses for Everyday Things: How to Make a Boomerang with a Business Card, Convert a Pencil into a Microphone and more - Paperback</image:title>
      <image:caption>Sneakiest Uses for Everyday Things: How to Make a Boomerang with a Business Card, Convert a Pencil into a Microphone and more</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-the-thermometer-and-its-use-in-meteorology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3rIjRgRq6e9780801871535.webp?v=1783164701</image:loc>
      <image:title>A History of the Thermometer and Its Use in Meteorology - Paperback</image:title>
      <image:caption>A History of the Thermometer and Its Use in Meteorology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/against-nature-the-concept-of-nature-in-critical-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZnjMW94rAK9780791430460.webp?v=1781551734</image:loc>
      <image:title>Against Nature: The Concept of Nature in Critical Theory - Paperback</image:title>
      <image:caption>Against Nature: The Concept of Nature in Critical Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-quantum-challenge-modern-research-on-the-foundations-of-quantum-mechanics-modern-research-on-the-foundations-of-quantum-mechanics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QHfQQ5K4_b9780763724702.webp?v=1783150252</image:loc>
      <image:title>The Quantum Challenge: Modern Research on the Foundations of Quantum Mechanics: Modern Research on the Foundations of Quantum Mechanics - Paperback</image:title>
      <image:caption>The Quantum Challenge: Modern Research on the Foundations of Quantum Mechanics: Modern Research on the Foundations of Quantum Mechanics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/50-targets-for-the-mid-sized-telescope-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cGg9iGzV9o9780692858417.webp?v=1783141274</image:loc>
      <image:title>50 Targets for the Mid-Sized Telescope - Paperback</image:title>
      <image:caption>50 Targets for the Mid-Sized Telescope</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-matter-myth-dramatic-discoveries-that-challenge-our-understanding-of-physical-reality-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1IJ4EiXexX9780743290913.webp?v=1783148417</image:loc>
      <image:title>The Matter Myth: Dramatic Discoveries That Challenge Our Understanding of Physical Reality - Paperback</image:title>
      <image:caption>The Matter Myth: Dramatic Discoveries That Challenge Our Understanding of Physical Reality</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/natures-flyers-birds-insects-and-the-biomechanics-of-flight-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tM4tZPAzwn9780801880599.webp?v=1783164703</image:loc>
      <image:title>Nature&apos;s Flyers: Birds, Insects, and the Biomechanics of Flight - Paperback</image:title>
      <image:caption>Nature&apos;s Flyers: Birds, Insects, and the Biomechanics of Flight</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/citizen-science-public-participation-in-environmental-research-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bnLLLlWXcP9780801456749.webp?v=1783161134</image:loc>
      <image:title>Citizen Science: Public Participation in Environmental Research - Paperback</image:title>
      <image:caption>Citizen Science: Public Participation in Environmental Research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecological-vision-reflections-on-the-american-condition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oEdiZIPjti9780765807250.webp?v=1783152091</image:loc>
      <image:title>The Ecological Vision: Reflections on the American Condition - Paperback</image:title>
      <image:caption>The Ecological Vision: Reflections on the American Condition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beauty-and-revolution-in-science-how-class-works-in-youngstown-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oL4eY6QuWz9780801486258.webp?v=1783161137</image:loc>
      <image:title>Beauty and Revolution in Science: How Class Works in Youngstown - Paperback</image:title>
      <image:caption>Beauty and Revolution in Science: How Class Works in Youngstown</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-tyranny-of-science-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jRMrCuTaqo9780745651897.webp?v=1783148418</image:loc>
      <image:title>The Tyranny of Science - Hardcover</image:title>
      <image:caption>The Tyranny of Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gender-and-technology-a-reader-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/j0UZdaSO9d9780801872594.webp?v=1783164689</image:loc>
      <image:title>Gender and Technology: A Reader - Paperback</image:title>
      <image:caption>Gender and Technology: A Reader</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ripples-on-a-cosmic-sea-the-search-for-gravitational-waves-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sSmaa6PA9h9780738201375.webp?v=1783166536</image:loc>
      <image:title>Ripples on a Cosmic Sea: The Search for Gravitational Waves - Paperback</image:title>
      <image:caption>Ripples on a Cosmic Sea: The Search for Gravitational Waves</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sync-how-order-emerges-from-chaos-in-the-universe-nature-and-daily-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gR68-nfd0T9780786887217.webp?v=1781550668</image:loc>
      <image:title>Sync: How Order Emerges from Chaos in the Universe, Nature, and Daily Life - Paperback</image:title>
      <image:caption>Sync: How Order Emerges from Chaos in the Universe, Nature, and Daily Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/networks-of-power-electrification-in-western-society-1880-1930-revised-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/prP8vUkrNr9780801846144.webp?v=1783164704</image:loc>
      <image:title>Networks of Power: Electrification in Western Society, 1880-1930 - Paperback</image:title>
      <image:caption>Networks of Power: Electrification in Western Society, 1880-1930</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/astro-navigation-from-square-one-to-ocean-master-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ABKyd5DoP9780755206483.webp?v=1783150253</image:loc>
      <image:title>Astro-navigation from Square One to Ocean-master - Paperback</image:title>
      <image:caption>Astro-navigation from Square One to Ocean-master</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/concepts-of-simultaneity-from-antiquity-to-einstein-and-beyond-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KOifi5lX-X9780801884221.webp?v=1783164691</image:loc>
      <image:title>Concepts of Simultaneity: From Antiquity to Einstein and Beyond - Hardcover</image:title>
      <image:caption>Concepts of Simultaneity: From Antiquity to Einstein and Beyond</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-freja-mission-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hNRFboNWb9780792333173.webp?v=1783157673</image:loc>
      <image:title>The Freja Mission - Hardcover</image:title>
      <image:caption>The Freja Mission</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/conversations-on-the-dark-secrets-of-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GAIiItSwwQ9780738207650.webp?v=1781546770</image:loc>
      <image:title>Conversations on the Dark Secrets of Physics - Paperback</image:title>
      <image:caption>Conversations on the Dark Secrets of Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/phenotypic-plasticity-beyond-nature-and-nurture-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SiccD9qxM-9780801867880.webp?v=1783164705</image:loc>
      <image:title>Phenotypic Plasticity: Beyond Nature and Nurture - Hardcover</image:title>
      <image:caption>Phenotypic Plasticity: Beyond Nature and Nurture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gas-well-deliquification-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6D5xudLcj49780750682800.webp?v=1783148419</image:loc>
      <image:title>Gas Well Deliquification - Hardcover</image:title>
      <image:caption>Gas Well Deliquification</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/pursuing-power-and-light-technology-and-physics-from-james-watt-to-albert-einstein-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oux11hBwxZ9780801893599.webp?v=1783164691</image:loc>
      <image:title>Pursuing Power and Light: Technology and Physics from James Watt to Albert Einstein - Paperback</image:title>
      <image:caption>Pursuing Power and Light: Technology and Physics from James Watt to Albert Einstein</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/back-in-keith-county-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VFM4Cj3V6r9780803275607.webp?v=1781553214</image:loc>
      <image:title>Back in Keith County - Paperback</image:title>
      <image:caption>Back in Keith County</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/darwinian-natural-right-the-biological-ethics-of-human-nature-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nExg9uI6H9780791436943.webp?v=1781551736</image:loc>
      <image:title>Darwinian Natural Right: The Biological Ethics of Human Nature - Paperback</image:title>
      <image:caption>Darwinian Natural Right: The Biological Ethics of Human Nature</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/globalization-health-and-the-environment-an-integrated-perspective-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JQ3bgk2NCS9780759105812.webp?v=1781548045</image:loc>
      <image:title>Globalization, Health, and the Environment: An Integrated Perspective - Paperback</image:title>
      <image:caption>Globalization, Health, and the Environment: An Integrated Perspective</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/thirteen-the-apollo-flight-that-failed-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8tK9zyXRhg9780801850974.webp?v=1783164693</image:loc>
      <image:title>Thirteen: The Apollo Flight That Failed (Revised) - Paperback</image:title>
      <image:caption>Thirteen: The Apollo Flight That Failed (Revised)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/circles-fifty-round-trips-through-history-technology-science-culture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/l4nPpdt3XE9780743249768.webp?v=1783146639</image:loc>
      <image:title>Circles: Fifty Round Trips Through History Technology Science Culture - Paperback</image:title>
      <image:caption>Circles: Fifty Round Trips Through History Technology Science Culture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/aristotles-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BM3pg6yIIz9780803250932.webp?v=1783162909</image:loc>
      <image:title>Aristotle&apos;s Physics - Paperback</image:title>
      <image:caption>Aristotle&apos;s Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/field-guide-to-grasshoppers-katydids-and-crickets-of-the-united-states-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yuo8lGqgEC9780801489488.webp?v=1781552252</image:loc>
      <image:title>Field Guide to Grasshoppers, Katydids, and Crickets of the United States - Paperback</image:title>
      <image:caption>Field Guide to Grasshoppers, Katydids, and Crickets of the United States</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lunar-landing-and-return-a-simplified-physics-mathematics-investigation-the-apollo-ii-saga-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sYGNJc4P0u9780759618589.webp?v=1783150253</image:loc>
      <image:title>Lunar Landing and Return: A Simplified Physics &amp; Mathematics Investigation-The Apollo II Saga - Paperback</image:title>
      <image:caption>Lunar Landing and Return: A Simplified Physics &amp; Mathematics Investigation-The Apollo II Saga</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/colorado-gem-trails-and-mineral-guide-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Mj30CdrNrO9780804009560.webp?v=1781553215</image:loc>
      <image:title>Colorado Gem Trails: And Mineral Guide - Paperback</image:title>
      <image:caption>Colorado Gem Trails: And Mineral Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fish-paperback-4</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uddsuhG4F69780745650203.webp?v=1783148413</image:loc>
      <image:title>Fish - Paperback</image:title>
      <image:caption>Fish</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/oak-forest-ecosystems-ecology-and-management-for-wildlife-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lfUYXTz_db9780801877476.webp?v=1783164695</image:loc>
      <image:title>Oak Forest Ecosystems: Ecology and Management for Wildlife - Paperback</image:title>
      <image:caption>Oak Forest Ecosystems: Ecology and Management for Wildlife</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/astronomy-activity-and-laboratory-manual-spiral</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iYSLoMV8LW9780763760199.webp?v=1781548593</image:loc>
      <image:title>Astronomy Activity and Laboratory Manual: . - Spiral</image:title>
      <image:caption>Astronomy Activity and Laboratory Manual: .</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/facing-gaia-eight-lectures-on-the-new-climatic-regime-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NGfK0P2LgK9780745684338.webp?v=1783148413</image:loc>
      <image:title>Facing Gaia: Eight Lectures on the New Climatic Regime - Hardcover</image:title>
      <image:caption>Facing Gaia: Eight Lectures on the New Climatic Regime</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/freshwater-macroinvertebrates-of-northeastern-north-america-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/H9LIxQXCs99780801496882.webp?v=1781552253</image:loc>
      <image:title>Freshwater Macroinvertebrates of Northeastern North America - Paperback</image:title>
      <image:caption>Freshwater Macroinvertebrates of Northeastern North America</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-and-native-american-communities-legacies-of-pain-visions-of-promise-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pgB-8CKY4e9780803276154.webp?v=1783168244</image:loc>
      <image:title>Science and Native American Communities: Legacies of Pain, Visions of Promise - Paperback</image:title>
      <image:caption>Science and Native American Communities: Legacies of Pain, Visions of Promise</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-human-organization-of-time-temporal-realities-and-experience-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VGftJNqbmw9780804741071.webp?v=1781553627</image:loc>
      <image:title>The Human Organization of Time: Temporal Realities and Experience - Hardcover</image:title>
      <image:caption>The Human Organization of Time: Temporal Realities and Experience</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-and-key-of-life-vols-1-and-2-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Yn3cNTQiXM9780766182301.webp?v=1783152091</image:loc>
      <image:title>Science and Key of Life Vols. 1 and 2 - Paperback</image:title>
      <image:caption>Science and Key of Life Vols. 1 and 2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mobilities-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5gmMvnl_Wv9780745634180.webp?v=1781547881</image:loc>
      <image:title>Mobilities - Hardcover</image:title>
      <image:caption>Mobilities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/seven-wonders-of-the-universe-that-you-probably-took-for-granted-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Tgp7dgby-h9780801897986.webp?v=1783164696</image:loc>
      <image:title>Seven Wonders of the Universe That You Probably Took for Granted - Paperback</image:title>
      <image:caption>Seven Wonders of the Universe That You Probably Took for Granted</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/on-beyond-living-rhetorical-transformations-of-the-life-sciences-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PpNRNA105w9780804727655.webp?v=1781553620</image:loc>
      <image:title>On Beyond Living: Rhetorical Transformations of the Life Sciences - Paperback</image:title>
      <image:caption>On Beyond Living: Rhetorical Transformations of the Life Sciences</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gendered-innovations-in-science-and-engineering-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FQgs_gAnFp9780804758154.webp?v=1783168247</image:loc>
      <image:title>Gendered Innovations in Science and Engineering - Paperback</image:title>
      <image:caption>Gendered Innovations in Science and Engineering</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/what-is-life-the-intellectual-pertinence-of-erwin-schrodinger-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VDMYXTs1ZW9780804769150.webp?v=1781554049</image:loc>
      <image:title>What Is Life?: The Intellectual Pertinence of Erwin Schrödinger - Hardcover</image:title>
      <image:caption>What Is Life?: The Intellectual Pertinence of Erwin Schrödinger</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/galileos-commandment-2-500-years-of-great-science-writing-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/SaGIrlP0PA9780805073492.webp?v=1783170170</image:loc>
      <image:title>Galileo&apos;s Commandment: 2,500 Years of Great Science Writing - Paperback</image:title>
      <image:caption>Galileo&apos;s Commandment: 2,500 Years of Great Science Writing</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/longitudinal-qualitative-research-analyzing-change-through-time-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1YvJxd2lac9780759102965.webp?v=1781548044</image:loc>
      <image:title>Longitudinal Qualitative Research: Analyzing Change Through Time - Paperback</image:title>
      <image:caption>Longitudinal Qualitative Research: Analyzing Change Through Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/higher-superstition-the-academic-left-and-its-quarrels-with-science-revised-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xIP0GHZHOx9780801857072.webp?v=1783164699</image:loc>
      <image:title>Higher Superstition: The Academic Left and Its Quarrels with Science - Paperback</image:title>
      <image:caption>Higher Superstition: The Academic Left and Its Quarrels with Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/education-cultural-myths-and-the-ecological-crisis-toward-deep-changes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/u4-oAXhBjZ9780791412565.webp?v=1781551738</image:loc>
      <image:title>Education, Cultural Myths, and the Ecological Crisis: Toward Deep Changes - Paperback</image:title>
      <image:caption>Education, Cultural Myths, and the Ecological Crisis: Toward Deep Changes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-disunity-of-science-boundaries-contexts-and-power-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TT-e0B3OrG9780804725620.webp?v=1781553621</image:loc>
      <image:title>The Disunity of Science: Boundaries, Contexts, and Power - Paperback</image:title>
      <image:caption>The Disunity of Science: Boundaries, Contexts, and Power</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/thin-ice-unlocking-the-secrets-of-climate-in-the-worlds-highest-mountains-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KWUfdH-4MO9780805081350.webp?v=1783170171</image:loc>
      <image:title>Thin Ice: Unlocking the Secrets of Climate in the World&apos;s Highest Mountains - Paperback</image:title>
      <image:caption>Thin Ice: Unlocking the Secrets of Climate in the World&apos;s Highest Mountains</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/destiny-matrix-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QTrlUgDOQ29780759696907.webp?v=1783150251</image:loc>
      <image:title>Destiny Matrix - Hardcover</image:title>
      <image:caption>Destiny Matrix</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lewis-henry-morgan-and-the-invention-of-kinship-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5QP9jujI4A9780803260061.webp?v=1783162908</image:loc>
      <image:title>Lewis Henry Morgan and the Invention of Kinship - Paperback</image:title>
      <image:caption>Lewis Henry Morgan and the Invention of Kinship</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/eco-phenomenology-back-to-the-earth-itself-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eLzNfs2t89780791456224.webp?v=1781551739</image:loc>
      <image:title>Eco-Phenomenology: Back to the Earth Itself - Paperback</image:title>
      <image:caption>Eco-Phenomenology: Back to the Earth Itself</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/evolutionists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1ikDP17Wcw9780805071375.webp?v=1783170163</image:loc>
      <image:title>Evolutionists - Paperback</image:title>
      <image:caption>Evolutionists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/seacoast-life-an-ecological-guide-to-natural-seashore-communities-in-north-carolina-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WWXzHqFQaC9780807841099.webp?v=1783173786</image:loc>
      <image:title>Seacoast Life an Ecological Guide to Natural Seashore Communities in North Carolina - Paperback</image:title>
      <image:caption>Seacoast Life an Ecological Guide to Natural Seashore Communities in North Carolina</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-fair-projects-for-dummies-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/e1LbaSnham9780764554605.webp?v=1781548892</image:loc>
      <image:title>Science Fair Projects for Dummies - Paperback</image:title>
      <image:caption>Science Fair Projects for Dummies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ambassadors-from-earth-pioneering-explorations-with-unmanned-spacecraft-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XsJymIr4sK9780803249233.webp?v=1781552829</image:loc>
      <image:title>Ambassadors from Earth: Pioneering Explorations with Unmanned Spacecraft - Paperback</image:title>
      <image:caption>Ambassadors from Earth: Pioneering Explorations with Unmanned Spacecraft</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/appropriating-the-weather-vilhelm-bjerknes-and-the-construction-of-a-modern-meteorology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MYADxBgWYh9780801481604.webp?v=1783161135</image:loc>
      <image:title>Appropriating the Weather: Vilhelm Bjerknes and the Construction of a Modern Meteorology - Paperback</image:title>
      <image:caption>Appropriating the Weather: Vilhelm Bjerknes and the Construction of a Modern Meteorology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-life-and-death-of-planet-earth-how-the-new-science-of-astrobiology-charts-the-ultimate-fate-of-our-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/03rB62o92j9780805075120.webp?v=1781554681</image:loc>
      <image:title>The Life and Death of Planet Earth: How the New Science of Astrobiology Charts the Ultimate Fate of Our World - Paperback</image:title>
      <image:caption>The Life and Death of Planet Earth: How the New Science of Astrobiology Charts the Ultimate Fate of Our World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/many-worlds-in-one-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hpqnnHRwHf9780809067220.webp?v=1783173787</image:loc>
      <image:title>Many Worlds in One - Paperback</image:title>
      <image:caption>Many Worlds in One</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/measuring-eternity-the-search-for-the-beginning-of-time-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Quz8ChvBJh9780767908443.webp?v=1781549602</image:loc>
      <image:title>Measuring Eternity: The Search for the Beginning of Time - Paperback</image:title>
      <image:caption>Measuring Eternity: The Search for the Beginning of Time</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/self-generation-biology-philosophy-and-literature-around-1800-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hYIeqTvwDl9780804727792.webp?v=1781553623</image:loc>
      <image:title>Self-Generation: Biology, Philosophy, and Literature Around 1800 - Hardcover</image:title>
      <image:caption>Self-Generation: Biology, Philosophy, and Literature Around 1800</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/deep-down-things-the-breathtaking-beauty-of-particle-physics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/h1VwFGNkMF9780801879715.webp?v=1783164700</image:loc>
      <image:title>Deep Down Things: The Breathtaking Beauty of Particle Physics - Hardcover</image:title>
      <image:caption>Deep Down Things: The Breathtaking Beauty of Particle Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/origins-the-evolution-of-continents-oceans-and-life-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/r1cqNzdKPI9780806133591.webp?v=1781555096</image:loc>
      <image:title>Origins: The Evolution of Continents, Oceans, and Life - Hardcover</image:title>
      <image:caption>Origins: The Evolution of Continents, Oceans, and Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/developing-national-power-in-space-a-theoretical-model-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0LhTjghJQt9780786494996.webp?v=1783153922</image:loc>
      <image:title>Developing National Power in Space: A Theoretical Model - Paperback</image:title>
      <image:caption>Developing National Power in Space: A Theoretical Model</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-american-synthetic-rubber-research-program-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nunAaUgF1d9780812282054.webp?v=1781557333</image:loc>
      <image:title>The American Synthetic Rubber Research Program - Hardcover</image:title>
      <image:caption>The American Synthetic Rubber Research Program</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-road-to-jaramillo-critical-years-of-the-revolution-in-earth-science-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8oY8KvJMXS9780804711197.webp?v=1781553212</image:loc>
      <image:title>The Road to Jaramillo: Critical Years of the Revolution in Earth Science - Hardcover</image:title>
      <image:caption>The Road to Jaramillo: Critical Years of the Revolution in Earth Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/north-carolina-planters-and-their-children-1800-1860-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/x1Yl_3SWvT9780807116340.webp?v=1783171986</image:loc>
      <image:title>North Carolina Planters and Their Children, 1800--1860 - Paperback</image:title>
      <image:caption>North Carolina Planters and Their Children, 1800--1860</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-history-of-human-space-flight-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BKWYWaeoRm9780813054278.webp?v=1781557736</image:loc>
      <image:title>The History of Human Space Flight - Hardcover</image:title>
      <image:caption>The History of Human Space Flight</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/digging-up-bones-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/C1IzFVzuPb9780801498756.webp?v=1783161135</image:loc>
      <image:title>Digging Up Bones - Paperback</image:title>
      <image:caption>Digging Up Bones</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/oceanology-of-china-seas-volume-2-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Q45smkVZIa9780792326175.webp?v=1783157672</image:loc>
      <image:title>Oceanology of China Seas: Volume 2 - Hardcover</image:title>
      <image:caption>Oceanology of China Seas: Volume 2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/experiments-models-paper-tools-cultures-of-organic-chemistry-in-the-nineteenth-century-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XNwGELOWgV9780804743594.webp?v=1781553624</image:loc>
      <image:title>Experiments, Models, Paper Tools: Cultures of Organic Chemistry in the Nineteenth Century - Hardcover</image:title>
      <image:caption>Experiments, Models, Paper Tools: Cultures of Organic Chemistry in the Nineteenth Century</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mortuary-science-a-sourcebook-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/R4r7pm9h8v9780810845879.webp?v=1781556694</image:loc>
      <image:title>Mortuary Science: A Sourcebook - Paperback</image:title>
      <image:caption>Mortuary Science: A Sourcebook</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-history-of-geology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mb2unc6s2U9780813516660.webp?v=1781558067</image:loc>
      <image:title>A History of Geology - Paperback</image:title>
      <image:caption>A History of Geology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/silent-snow-the-slow-poisoning-of-the-arctic-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Cez2va46Te9780802142597.webp?v=1781552253</image:loc>
      <image:title>Silent Snow: The Slow Poisoning of the Arctic - Paperback</image:title>
      <image:caption>Silent Snow: The Slow Poisoning of the Arctic</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/environmental-activism-and-world-civic-politics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OoiAw_erRc9780791427903.webp?v=1781551730</image:loc>
      <image:title>Environmental Activism and World Civic Politics - Paperback</image:title>
      <image:caption>Environmental Activism and World Civic Politics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-genie-in-the-bottle-67-all-new-commentaries-on-the-fascinating-chemistry-of-everyday-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hO0vIAI_vK9780805071382.webp?v=1783170164</image:loc>
      <image:title>The Genie in the Bottle: 67 All-New Commentaries on the Fascinating Chemistry of Everyday Life - Paperback</image:title>
      <image:caption>The Genie in the Bottle: 67 All-New Commentaries on the Fascinating Chemistry of Everyday Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/causality-and-chance-in-modern-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qEDi2EyTsW9780812210026.webp?v=1783175563</image:loc>
      <image:title>Causality and Chance in Modern Physics - Paperback</image:title>
      <image:caption>Causality and Chance in Modern Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beyond-biotechnology-the-barren-promise-of-genetic-engineering-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cMpNZEFji69780813192567.webp?v=1781558071</image:loc>
      <image:title>Beyond Biotechnology: The Barren Promise of Genetic Engineering - Paperback</image:title>
      <image:caption>Beyond Biotechnology: The Barren Promise of Genetic Engineering</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/biology-and-conservation-of-martens-sables-and-fishers-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/P-OzJpXJhd9780801450884.webp?v=1783161131</image:loc>
      <image:title>Biology and Conservation of Martens, Sables, and Fishers - Hardcover</image:title>
      <image:caption>Biology and Conservation of Martens, Sables, and Fishers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/meteorology-in-america-1800-1870-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pZoYx9pUxp9780801863592.webp?v=1781552254</image:loc>
      <image:title>Meteorology in America, 1800-1870 - Paperback</image:title>
      <image:caption>Meteorology in America, 1800-1870</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/enough-staying-human-in-an-engineered-age-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VYTKyn6z8Z9780805075199.webp?v=1783170165</image:loc>
      <image:title>Enough: Staying Human in an Engineered Age - Paperback</image:title>
      <image:caption>Enough: Staying Human in an Engineered Age</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cash-for-your-trash-scrap-recycling-in-america-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1nd-j8DYig9780813546940.webp?v=1781558061</image:loc>
      <image:title>Cash For Your Trash: Scrap Recycling in America - Paperback</image:title>
      <image:caption>Cash For Your Trash: Scrap Recycling in America</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-emperors-new-clothes-biological-theories-of-race-at-the-millennium-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Hq79jIovJe9780813533025.webp?v=1783179139</image:loc>
      <image:title>The Emperor&apos;s New Clothes: Biological Theories of Race at the Millennium - Paperback</image:title>
      <image:caption>The Emperor&apos;s New Clothes: Biological Theories of Race at the Millennium</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forces-and-fields-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EhhD6QJvQd9780806530857.webp?v=1781556482</image:loc>
      <image:title>Forces and Fields - Paperback</image:title>
      <image:caption>Forces and Fields</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/footprints-in-the-dust-the-epic-voyages-of-apollo-1969-1975-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0HsqPjbW1c9780803226654.webp?v=1783162908</image:loc>
      <image:title>Footprints in the Dust: The Epic Voyages of Apollo, 1969-1975 - Hardcover</image:title>
      <image:caption>Footprints in the Dust: The Epic Voyages of Apollo, 1969-1975</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-second-creation-makers-of-the-revolution-in-twentieth-century-physics-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ed-HkCrqj99780813521770.webp?v=1781558062</image:loc>
      <image:title>The Second Creation: Makers of the Revolution in Twentieth-Century Physics - Paperback</image:title>
      <image:caption>The Second Creation: Makers of the Revolution in Twentieth-Century Physics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/einstein-on-race-and-racism-einstein-on-race-and-racism-first-paperback-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/T1NjS7hdOy9780813539522.webp?v=1781558070</image:loc>
      <image:title>Einstein on Race and Racism: Einstein on Race and Racism, First Paperback Edition - Paperback</image:title>
      <image:caption>Einstein on Race and Racism: Einstein on Race and Racism, First Paperback Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/bottled-lightning-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KcIDyGBpGF9780809030644.webp?v=1783173782</image:loc>
      <image:title>Bottled Lightning - Paperback</image:title>
      <image:caption>Bottled Lightning</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-sokal-hoax-the-sham-that-shook-the-academy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nmYNCoDJ2d9780803279957.webp?v=1783168245</image:loc>
      <image:title>The Sokal Hoax: The Sham That Shook the Academy - Paperback</image:title>
      <image:caption>The Sokal Hoax: The Sham That Shook the Academy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/field-guide-to-grasshoppers-katydids-and-crickets-of-the-united-states-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/re5nDRAZbf9780801442605.webp?v=1783161132</image:loc>
      <image:title>Field Guide to Grasshoppers, Katydids, and Crickets of the United States - Hardcover</image:title>
      <image:caption>Field Guide to Grasshoppers, Katydids, and Crickets of the United States</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/structure-and-function-of-plants-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nfqsVs2DvJ9780813827186.webp?v=1783179126</image:loc>
      <image:title>Structure and Function of Plants - Paperback</image:title>
      <image:caption>Structure and Function of Plants</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/polluted-promises-environmental-racism-and-the-search-for-justice-in-a-southern-town-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qAzQXb7h7w9780814716588.webp?v=1783180965</image:loc>
      <image:title>Polluted Promises: Environmental Racism and the Search for Justice in a Southern Town - Paperback</image:title>
      <image:caption>Polluted Promises: Environmental Racism and the Search for Justice in a Southern Town</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/superstrings-and-the-search-for-the-theory-of-everything-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/hyr0LMzEga9780809242573.webp?v=1783173784</image:loc>
      <image:title>Superstrings and the Search for the Theory of Everything - Paperback</image:title>
      <image:caption>Superstrings and the Search for the Theory of Everything</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/toward-a-history-of-epistemic-things-synthesizing-proteins-in-the-test-tube-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lMzUbZQcpQ9780804727860.webp?v=1781553625</image:loc>
      <image:title>Toward a History of Epistemic Things: Synthesizing Proteins in the Test Tube - Paperback</image:title>
      <image:caption>Toward a History of Epistemic Things: Synthesizing Proteins in the Test Tube</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gold-medal-physics-the-science-of-sports-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rTbJvxef99780801893223.webp?v=1783164687</image:loc>
      <image:title>Gold Medal Physics: The Science of Sports - Paperback</image:title>
      <image:caption>Gold Medal Physics: The Science of Sports</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/race-racism-and-science-social-impact-and-interaction-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9SdCWDnnQ_9780813537368.webp?v=1783179128</image:loc>
      <image:title>Race, Racism, and Science: Social Impact and Interaction - Paperback</image:title>
      <image:caption>Race, Racism, and Science: Social Impact and Interaction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/our-knowledge-is-not-primitive-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/398GI0jmhC9780815632047.webp?v=1781559037</image:loc>
      <image:title>Our Knowledge Is Not Primitive - Hardcover</image:title>
      <image:caption>Our Knowledge Is Not Primitive</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ptolemys-universe-the-natural-philosophical-and-ethical-foundations-of-ptolemys-astronomy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lfTLFEx2CB9780812692297.webp?v=1783177394</image:loc>
      <image:title>Ptolemy&apos;s Universe: The Natural Philosophical and Ethical Foundations of Ptolemy&apos;s Astronomy - Paperback</image:title>
      <image:caption>Ptolemy&apos;s Universe: The Natural Philosophical and Ethical Foundations of Ptolemy&apos;s Astronomy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/empire-and-the-sun-victorian-solar-eclipse-expeditions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZUlB9jKHqo9780804739269.webp?v=1781553627</image:loc>
      <image:title>Empire and the Sun: Victorian Solar Eclipse Expeditions - Paperback</image:title>
      <image:caption>Empire and the Sun: Victorian Solar Eclipse Expeditions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/man-the-hunted-primates-predators-and-human-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aV0qqGRYa59780813344034.webp?v=1783179130</image:loc>
      <image:title>Man the Hunted: Primates, Predators, and Human Evolution - Paperback</image:title>
      <image:caption>Man the Hunted: Primates, Predators, and Human Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/edison-and-the-business-of-innovation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/LdwI0t6z_t9780801847301.webp?v=1783164688</image:loc>
      <image:title>Edison and the Business of Innovation - Paperback</image:title>
      <image:caption>Edison and the Business of Innovation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-many-voices-of-modern-physics-written-communication-practices-of-key-discoveries-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eYw8WwL9FF9780822947585.webp?v=1781559405</image:loc>
      <image:title>The Many Voices of Modern Physics: Written Communication Practices of Key Discoveries - Hardcover</image:title>
      <image:caption>The Many Voices of Modern Physics: Written Communication Practices of Key Discoveries</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/human-nature-and-the-evolution-of-society-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ya7bTC16nP9780813349367.webp?v=1783179131</image:loc>
      <image:title>Human Nature and the Evolution of Society - Paperback</image:title>
      <image:caption>Human Nature and the Evolution of Society</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/social-by-nature-the-promise-and-peril-of-sociogenomics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zme_BQFqHj9780804798341.webp?v=1781554050</image:loc>
      <image:title>Social by Nature: The Promise and Peril of Sociogenomics - Hardcover</image:title>
      <image:caption>Social by Nature: The Promise and Peril of Sociogenomics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/forces-and-fields-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eFzl_igFG29780802207128.webp?v=1783164688</image:loc>
      <image:title>Forces and Fields - Hardcover</image:title>
      <image:caption>Forces and Fields</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-studies-an-advanced-introduction-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/712DTZLs3v9780814735640.webp?v=1781558641</image:loc>
      <image:title>Science Studies: An Advanced Introduction - Paperback</image:title>
      <image:caption>Science Studies: An Advanced Introduction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-forest-hydrology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/U8_xitcT1i9780820323800.webp?v=1783182718</image:loc>
      <image:title>Principles of Forest Hydrology - Paperback</image:title>
      <image:caption>Principles of Forest Hydrology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/10-geographic-ideas-that-changed-the-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iuG9LoxlOD9780813523576.webp?v=1781558064</image:loc>
      <image:title>10 Geographic Ideas That Changed the World - Paperback</image:title>
      <image:caption>10 Geographic Ideas That Changed the World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/handbook-of-carbon-graphite-diamonds-and-fullerenes-processing-properties-and-applications-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/F1cNtysTs9780815513391.webp?v=1783180963</image:loc>
      <image:title>Handbook of Carbon, Graphite, Diamonds and Fullerenes: Processing, Properties and Applications - Hardcover</image:title>
      <image:caption>Handbook of Carbon, Graphite, Diamonds and Fullerenes: Processing, Properties and Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/in-the-shadow-of-the-moon-a-challenging-journey-to-tranquility-1965-1969-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZqWocHRUNg9780803229792.webp?v=1783162908</image:loc>
      <image:title>In the Shadow of the Moon: A Challenging Journey to Tranquility, 1965-1969 - Paperback</image:title>
      <image:caption>In the Shadow of the Moon: A Challenging Journey to Tranquility, 1965-1969</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-dependent-gene-the-fallacy-of-nature-vs-nurture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pHfMH-XuXh9780805072808.webp?v=1783170167</image:loc>
      <image:title>The Dependent Gene: The Fallacy of Nature Vs. Nurture - Paperback</image:title>
      <image:caption>The Dependent Gene: The Fallacy of Nature Vs. Nurture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/woody-plants-of-the-southeastern-united-states-a-winter-guide-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/owYGgLmLDE9780820325248.webp?v=1783182719</image:loc>
      <image:title>Woody Plants of the Southeastern United States: A Winter Guide - Hardcover</image:title>
      <image:caption>Woody Plants of the Southeastern United States: A Winter Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lactation-mammary-gland-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/AUEIEFDygm9780813829920.webp?v=1783179132</image:loc>
      <image:title>Lactation Mammary Gland - Hardcover</image:title>
      <image:caption>Lactation Mammary Gland</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biology-of-human-starvation-volume-i-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/QA5XoINbgK9780816672349.webp?v=1783182720</image:loc>
      <image:title>The Biology of Human Starvation: Volume I - Paperback</image:title>
      <image:caption>The Biology of Human Starvation: Volume I</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/land-of-the-moon-children-the-primitive-san-blas-culture-in-flux-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EMjzpfZ-_W9780820335391.webp?v=1783182713</image:loc>
      <image:title>Land of the Moon-Children: The Primitive San Blas Culture in Flux - Paperback</image:title>
      <image:caption>Land of the Moon-Children: The Primitive San Blas Culture in Flux</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-invisible-pyramid-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OAXSJ0AmhO9780803267381.webp?v=1781553211</image:loc>
      <image:title>The Invisible Pyramid - Paperback</image:title>
      <image:caption>The Invisible Pyramid</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-friction-where-the-known-meets-the-unknown-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bCB_-PFwsr9780805079142.webp?v=1783170169</image:loc>
      <image:title>Science Friction: Where the Known Meets the Unknown - Paperback</image:title>
      <image:caption>Science Friction: Where the Known Meets the Unknown</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-9-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xS98P0gGd89780820600628.webp?v=1781559734</image:loc>
      <image:title>The Chemical Formulary, Volume 9 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 9</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/women-and-science-social-impact-and-interaction-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zbnz-fjXj89780813537375.webp?v=1783179134</image:loc>
      <image:title>Women and Science: Social Impact and Interaction - Paperback</image:title>
      <image:caption>Women and Science: Social Impact and Interaction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/guide-to-the-vascular-plants-of-the-blue-ridge-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ez4i5g8ncv9780820324555.webp?v=1783182713</image:loc>
      <image:title>Guide to the Vascular Plants of the Blue Ridge - Paperback</image:title>
      <image:caption>Guide to the Vascular Plants of the Blue Ridge</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/who-wrote-the-book-of-life-a-history-of-the-genetic-code-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zah7C031NI9780804734172.webp?v=1781553617</image:loc>
      <image:title>Who Wrote the Book of Life?: A History of the Genetic Code - Paperback</image:title>
      <image:caption>Who Wrote the Book of Life?: A History of the Genetic Code</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cave-life-of-oklahoma-and-arkansas-exploration-and-conservation-of-subterranean-biodiversity-volume-10-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/znHDB5FW0T9780806144245.webp?v=1781555099</image:loc>
      <image:title>Cave Life of Oklahoma and Arkansas: Exploration and Conservation of Subterranean Biodiversity Volume 10 - Paperback</image:title>
      <image:caption>Cave Life of Oklahoma and Arkansas: Exploration and Conservation of Subterranean Biodiversity Volume 10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/presenting-scientific-data-in-r-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qjH7JiNZk99780198870470.webp?v=1781559406</image:loc>
      <image:title>Presenting Scientific Data in R - Paperback</image:title>
      <image:caption>Presenting Scientific Data in R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/scientific-explanation-volume-13-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/u_vAgZiWtv9780816657650.webp?v=1781559403</image:loc>
      <image:title>Scientific Explanation: Volume 13 - Paperback</image:title>
      <image:caption>Scientific Explanation: Volume 13</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-the-human-sciences-an-attempt-to-lay-a-foundation-for-the-study-of-society-and-history-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CbTe8PQ5PP9780814318980.webp?v=1781558447</image:loc>
      <image:title>Introduction to the Human Sciences: An Attempt to Lay a Foundation for the Study of Society and History - Paperback</image:title>
      <image:caption>Introduction to the Human Sciences: An Attempt to Lay a Foundation for the Study of Society and History</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-age-of-the-earth-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RoLfrHsW2X9780804723312.webp?v=1781553619</image:loc>
      <image:title>The Age of the Earth - Paperback</image:title>
      <image:caption>The Age of the Earth</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/group-theory-in-the-bedroom-and-other-mathematical-diversions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/poAPYKiKB9780809052172.webp?v=1781555325</image:loc>
      <image:title>Group Theory in the Bedroom, and Other Mathematical Diversions - Paperback</image:title>
      <image:caption>Group Theory in the Bedroom, and Other Mathematical Diversions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-5-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/eiKwbQrkaS9780820602639.webp?v=1783184494</image:loc>
      <image:title>The Chemical Formulary, Volume 5 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-boundless-self-communication-in-physical-and-virtual-spaces-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jaSYdowZnp9780815630562.webp?v=1781559033</image:loc>
      <image:title>The Boundless Self: Communication in Physical and Virtual Spaces - Hardcover</image:title>
      <image:caption>The Boundless Self: Communication in Physical and Virtual Spaces</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electroplating-and-related-processes-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fhSbPf79z99780820600376.webp?v=1781559724</image:loc>
      <image:title>Electroplating and Related Processes - Hardcover</image:title>
      <image:caption>Electroplating and Related Processes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/zooland-the-institution-of-captivity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cHqPIc_KQ9780804783583.webp?v=1781554048</image:loc>
      <image:title>Zooland: The Institution of Captivity - Paperback</image:title>
      <image:caption>Zooland: The Institution of Captivity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-literary-structure-of-scientific-argument-historical-studies-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/IT306EYxY49780812281859.webp?v=1783177396</image:loc>
      <image:title>The Literary Structure of Scientific Argument: Historical Studies - Hardcover</image:title>
      <image:caption>The Literary Structure of Scientific Argument: Historical Studies</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/an-operators-guide-to-biological-nutrient-removal-bnr-in-the-activated-sludge-process-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ntZYv1CVM79780820604169.webp?v=1781559735</image:loc>
      <image:title>An Operator&apos;s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process - Paperback</image:title>
      <image:caption>An Operator&apos;s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-limits-of-scientific-reasoning-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NJmdPB2pfV9780816613595.webp?v=1783180964</image:loc>
      <image:title>The Limits of Scientific Reasoning - Paperback</image:title>
      <image:caption>The Limits of Scientific Reasoning</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-13-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iDEbgxyMkF9780820600673.webp?v=1783184486</image:loc>
      <image:title>The Chemical Formulary, Volume 13 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 13</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/radar-hula-hoops-and-playful-pigs-67-digestible-commentaries-on-the-fascinating-chemistry-of-everyday-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/2XoQIblOcA9780805074079.webp?v=1781554680</image:loc>
      <image:title>Radar, Hula Hoops, and Playful Pigs: 67 Digestible Commentaries on the Fascinating Chemistry of Everyday Life - Paperback</image:title>
      <image:caption>Radar, Hula Hoops, and Playful Pigs: 67 Digestible Commentaries on the Fascinating Chemistry of Everyday Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/paleopathology-at-the-origins-of-agriculture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MUQEMjIbN-9780813044897.webp?v=1781557734</image:loc>
      <image:title>Paleopathology at the Origins of Agriculture - Paperback</image:title>
      <image:caption>Paleopathology at the Origins of Agriculture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/rendering-life-molecular-models-modelers-and-excitable-matter-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/01H48s5SRB9780822358787.webp?v=1781560199</image:loc>
      <image:title>Rendering Life Molecular: Models, Modelers, and Excitable Matter - Paperback</image:title>
      <image:caption>Rendering Life Molecular: Models, Modelers, and Excitable Matter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-1-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/blQ006fyRf9780820602592.webp?v=1783184487</image:loc>
      <image:title>The Chemical Formulary, Volume 1 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dwellers-in-the-land-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GprRCvyNqE9780820322056.webp?v=1783182714</image:loc>
      <image:title>Dwellers in the Land - Paperback</image:title>
      <image:caption>Dwellers in the Land</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ethnobotany-a-reader-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rRFKRcQllj9780806131801.webp?v=1781555095</image:loc>
      <image:title>Ethnobotany - Paperback</image:title>
      <image:caption>Ethnobotany</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/edible-insects-and-human-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/E-V3I38vDm9780813064314.webp?v=1781557735</image:loc>
      <image:title>Edible Insects and Human Evolution - Paperback</image:title>
      <image:caption>Edible Insects and Human Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/lively-capital-biotechnologies-ethics-and-governance-in-global-markets-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zDUaHi5atn9780822348313.webp?v=1781559736</image:loc>
      <image:title>Lively Capital: Biotechnologies, Ethics, and Governance in Global Markets - Paperback</image:title>
      <image:caption>Lively Capital: Biotechnologies, Ethics, and Governance in Global Markets</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/purification-with-activated-carbon-industrial-commercial-and-environmental-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uQymo1Ckim9780820603735.webp?v=1783184488</image:loc>
      <image:title>Purification with Activated Carbon Industrial, Commercial and Environmental - Paperback</image:title>
      <image:caption>Purification with Activated Carbon Industrial, Commercial and Environmental</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/what-nature-suffers-to-groe-life-labor-and-landscape-on-the-georgia-coast-1680-1920-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jyb7_ki6Fo9780820324593.webp?v=1783182715</image:loc>
      <image:title>What Nature Suffers to Groe: Life, Labor, and Landscape on the Georgia Coast, 1680-1920 - Paperback</image:title>
      <image:caption>What Nature Suffers to Groe: Life, Labor, and Landscape on the Georgia Coast, 1680-1920</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/beyond-oil-the-view-from-hubberts-peak-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ql_wbALXTr9780809029570.webp?v=1781555322</image:loc>
      <image:title>Beyond Oil: The View from Hubbert&apos;s Peak - Paperback</image:title>
      <image:caption>Beyond Oil: The View from Hubbert&apos;s Peak</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-holistic-inspiration-of-physics-the-underground-history-of-electromagnetic-theory-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4xwhi6bpef9780813526355.webp?v=1783179135</image:loc>
      <image:title>The Holistic Inspiration of Physics: The Underground History of Electromagnetic Theory - Paperback</image:title>
      <image:caption>The Holistic Inspiration of Physics: The Underground History of Electromagnetic Theory</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/staying-with-the-trouble-making-kin-in-the-chthulucene-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/T3EFzPQou09780822362142.webp?v=1783184496</image:loc>
      <image:title>Staying with the Trouble: Making Kin in the Chthulucene - Hardcover</image:title>
      <image:caption>Staying with the Trouble: Making Kin in the Chthulucene</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-climate-change-comes-to-matter-the-communal-life-of-facts-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Hhu-bCYjls9780822357872.webp?v=1781560192</image:loc>
      <image:title>How Climate Change Comes to Matter: The Communal Life of Facts - Paperback</image:title>
      <image:caption>How Climate Change Comes to Matter: The Communal Life of Facts</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/language-mind-and-knowledge-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zyvZ3mOnbl9780816657797.webp?v=1783182716</image:loc>
      <image:title>Language, Mind, and Knowledge - Paperback</image:title>
      <image:caption>Language, Mind, and Knowledge</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fishing-north-carolinas-outer-banks-the-complete-guide-to-catching-more-fish-from-surf-pier-sound-ocean-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OYK4KXK-sN9780807872079.webp?v=1781555324</image:loc>
      <image:title>Fishing North Carolina&apos;s Outer Banks: The Complete Guide to Catching More Fish from Surf, Pier, Sound, &amp; Ocean - Paperback</image:title>
      <image:caption>Fishing North Carolina&apos;s Outer Banks: The Complete Guide to Catching More Fish from Surf, Pier, Sound, &amp; Ocean</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/genomic-imprinting-and-kinship-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/g-mmgODZqK9780813530277.webp?v=1781558065</image:loc>
      <image:title>Genomic Imprinting and Kinship - Paperback</image:title>
      <image:caption>Genomic Imprinting and Kinship</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/epigenetic-landscapes-drawings-as-metaphor-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3wf9cNLTrM9780822368724.webp?v=1783184497</image:loc>
      <image:title>Epigenetic Landscapes: Drawings as Metaphor - Paperback</image:title>
      <image:caption>Epigenetic Landscapes: Drawings as Metaphor</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-policy-and-the-value-free-ideal-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VmAsT58Wh_9780822960263.webp?v=1781560193</image:loc>
      <image:title>Science, Policy, and the Value-Free Ideal - Paperback</image:title>
      <image:caption>Science, Policy, and the Value-Free Ideal</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/meteorite-craters-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1myHid8IRK9780816515684.webp?v=1781559034</image:loc>
      <image:title>Meteorite Craters - Paperback</image:title>
      <image:caption>Meteorite Craters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/animals-for-show-and-pleasure-in-ancient-rome-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cz9onrJ8S59780812219197.webp?v=1783175562</image:loc>
      <image:title>Animals for Show and Pleasure in Ancient Rome - Paperback</image:title>
      <image:caption>Animals for Show and Pleasure in Ancient Rome</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-scientists-guide-to-talking-with-the-media-practical-advice-from-the-union-of-concerned-scientists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BPua3ED2DO9780813538587.webp?v=1783179137</image:loc>
      <image:title>A Scientist&apos;s Guide to Talking with the Media: Practical Advice from the Union of Concerned Scientists - Paperback</image:title>
      <image:caption>A Scientist&apos;s Guide to Talking with the Media: Practical Advice from the Union of Concerned Scientists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/vibration-spectrum-analysis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nYQ8CJNSUB9780831130886.webp?v=1782961759</image:loc>
      <image:title>Vibration Spectrum Analysis - Paperback</image:title>
      <image:caption>Vibration Spectrum Analysis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/radiation-brain-moms-and-citizen-scientists-the-gender-politics-of-food-contamination-after-fukushima-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/mAnQ0TtpIj9780822361992.webp?v=1783184489</image:loc>
      <image:title>Radiation Brain Moms and Citizen Scientists: The Gender Politics of Food Contamination After Fukushima - Paperback</image:title>
      <image:caption>Radiation Brain Moms and Citizen Scientists: The Gender Politics of Food Contamination After Fukushima</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-and-conservation-of-the-san-pedro-river-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Gfh1A8mbeV9780816519507.webp?v=1781559035</image:loc>
      <image:title>Ecology and Conservation of the San Pedro River - Paperback</image:title>
      <image:caption>Ecology and Conservation of the San Pedro River</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/time-and-the-space-traveller-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OXoaDnyOBb9780812276503.webp?v=1783177393</image:loc>
      <image:title>Time and the Space-Traveller - Hardcover</image:title>
      <image:caption>Time and the Space-Traveller</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/refining-expertise-how-responsible-engineers-subvert-environmental-justice-challenges-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YX4VGIZo6y9780814762387.webp?v=1781558643</image:loc>
      <image:title>Refining Expertise: How Responsible Engineers Subvert Environmental Justice Challenges - Paperback</image:title>
      <image:caption>Refining Expertise: How Responsible Engineers Subvert Environmental Justice Challenges</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/how-we-hear-music-the-relationship-between-music-and-the-hearing-mechanism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/DS_2Z_g_PW9780851159409.webp?v=1783188168</image:loc>
      <image:title>How We Hear Music: The Relationship Between Music and the Hearing Mechanism - Paperback</image:title>
      <image:caption>How We Hear Music: The Relationship Between Music and the Hearing Mechanism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/becoming-undone-darwinian-reflections-on-life-politics-and-art-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/5s-Pd_zPGI9780822350712.webp?v=1781559726</image:loc>
      <image:title>Becoming Undone: Darwinian Reflections on Life, Politics, and Art - Paperback</image:title>
      <image:caption>Becoming Undone: Darwinian Reflections on Life, Politics, and Art</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-2-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/J8GUQpj0a59780820602608.webp?v=1781559727</image:loc>
      <image:title>The Chemical Formulary, Volume 2 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-american-development-of-biology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/n6KA4v17Ju9780813517025.webp?v=1781558059</image:loc>
      <image:title>The American Development of Biology - Paperback</image:title>
      <image:caption>The American Development of Biology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/measurement-of-ph-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/edKKpCWBn79780854044733.webp?v=1781565297</image:loc>
      <image:title>Measurement of PH - Paperback</image:title>
      <image:caption>Measurement of PH</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/atmospheric-things-on-the-allure-of-elemental-envelopment-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KuVGdN8_Cy9780822371236.webp?v=1783184490</image:loc>
      <image:title>Atmospheric Things: On the Allure of Elemental Envelopment - Paperback</image:title>
      <image:caption>Atmospheric Things: On the Allure of Elemental Envelopment</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-treatment-of-boiler-water-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uGahsBaWHc9780820603773.webp?v=1783184491</image:loc>
      <image:title>The Chemical Treatment of Boiler Water - Paperback</image:title>
      <image:caption>The Chemical Treatment of Boiler Water</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fundamentals-of-tree-ring-research-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Zkjorb6Bt89780816526857.webp?v=1781559037</image:loc>
      <image:title>Fundamentals of Tree-Ring Research - Paperback</image:title>
      <image:caption>Fundamentals of Tree-Ring Research</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/emergence-of-life-on-earth-a-historical-and-scientific-overview-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/z0xnUWsa9f9780813527406.webp?v=1783179124</image:loc>
      <image:title>Emergence of Life on Earth: A Historical and Scientific Overview - Paperback</image:title>
      <image:caption>Emergence of Life on Earth: A Historical and Scientific Overview</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/glow-discharge-optical-emission-spectroscopy-a-practical-guide-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/02BrjIs4SX9780854045211.webp?v=1781565298</image:loc>
      <image:title>Glow Discharge Optical Emission Spectroscopy: A Practical Guide - Hardcover</image:title>
      <image:caption>Glow Discharge Optical Emission Spectroscopy: A Practical Guide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-polymers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/07umaMUXDF9780849339295.webp?v=1783188164</image:loc>
      <image:title>Introduction to Polymers - Paperback</image:title>
      <image:caption>Introduction to Polymers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-mangle-in-practice-science-society-and-becoming-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9D8iKLMC769780822343738.webp?v=1781559728</image:loc>
      <image:title>The Mangle in Practice: Science, Society, and Becoming - Paperback</image:title>
      <image:caption>The Mangle in Practice: Science, Society, and Becoming</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/control-and-modeling-of-complex-systems-cybernetics-in-the-21st-century-festschrift-in-honor-of-hidenori-kimura-on-the-occasion-of-his-60th-birthday-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EY9U7hXeCb9780817643256.webp?v=1781559403</image:loc>
      <image:title>Control and Modeling of Complex Systems: Cybernetics in the 21st Century Festschrift in Honor of Hidenori Kimura on the Occasion of His 60th Birthday - Hardcover</image:title>
      <image:caption>Control and Modeling of Complex Systems: Cybernetics in the 21st Century Festschrift in Honor of Hidenori Kimura on the Occasion of His 60th Birthday</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/new-perspectives-on-environmental-justice-gender-sexuality-and-activism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/HiOSbEPJVx9780813534275.webp?v=1783179126</image:loc>
      <image:title>New Perspectives on Environmental Justice: Gender, Sexuality, and Activism - Paperback</image:title>
      <image:caption>New Perspectives on Environmental Justice: Gender, Sexuality, and Activism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/colour-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cIOJaeSMGA9780854045730.webp?v=1781565300</image:loc>
      <image:title>Colour Chemistry - Paperback</image:title>
      <image:caption>Colour Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/powder-diffraction-theory-and-practice-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lGdBVt6Jz39780854042319.webp?v=1781565270</image:loc>
      <image:title>Powder Diffraction: Theory and Practice - Hardcover</image:title>
      <image:caption>Powder Diffraction: Theory and Practice</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-mirage-of-a-space-between-nature-and-nurture-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1bUxO5m-lI9780822347316.webp?v=1781559730</image:loc>
      <image:title>The Mirage of a Space between Nature and Nurture - Paperback</image:title>
      <image:caption>The Mirage of a Space between Nature and Nurture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geology-and-landscape-of-michigans-pictured-rocks-national-lakeshore-and-vicinity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/jIHjrRitAQ9780814334416.webp?v=1783180962</image:loc>
      <image:title>Geology and Landscape of Michigan&apos;s Pictured Rocks National Lakeshore and Vicinity - Paperback</image:title>
      <image:caption>Geology and Landscape of Michigan&apos;s Pictured Rocks National Lakeshore and Vicinity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/philosophy-of-ecology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PvkKoeCNfJ9780820322209.webp?v=1783182716</image:loc>
      <image:title>Philosophy of Ecology - Paperback</image:title>
      <image:caption>Philosophy of Ecology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mass-spectrometry-a-foundation-course-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XGgaMFzYuB9780854046096.webp?v=1781565301</image:loc>
      <image:title>Mass Spectrometry: A Foundation Course - Paperback</image:title>
      <image:caption>Mass Spectrometry: A Foundation Course</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/practical-laboratory-skills-training-guides-high-performance-liquid-chromatography-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bq_ifuto289780854044832.webp?v=1781565271</image:loc>
      <image:title>Practical Laboratory Skills Training Guides: High Performance Liquid Chromatography - Paperback</image:title>
      <image:caption>Practical Laboratory Skills Training Guides: High Performance Liquid Chromatography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/placing-outer-space-an-earthly-ethnography-of-other-worlds-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/b6qYG7Qiik9780822362036.webp?v=1781560194</image:loc>
      <image:title>Placing Outer Space: An Earthly Ethnography of Other Worlds - Paperback</image:title>
      <image:caption>Placing Outer Space: An Earthly Ethnography of Other Worlds</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/eugene-odum-ecosystem-ecologist-environmentalist-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FYlJk27Glp9780820324739.webp?v=1783182717</image:loc>
      <image:title>Eugene Odum: Ecosystem Ecologist &amp; Environmentalist - Paperback</image:title>
      <image:caption>Eugene Odum: Ecosystem Ecologist &amp; Environmentalist</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/life-death-and-nitric-oxide-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Zc8sl5KA3i9780854046867.webp?v=1781565303</image:loc>
      <image:title>Life, Death and Nitric Oxide - Paperback</image:title>
      <image:caption>Life, Death and Nitric Oxide</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/absolutely-small-how-quantum-theory-explains-our-everyday-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/83iuMfZF499780814438114.webp?v=1783180963</image:loc>
      <image:title>Absolutely Small: How Quantum Theory Explains Our Everyday World - Paperback</image:title>
      <image:caption>Absolutely Small: How Quantum Theory Explains Our Everyday World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/global-climate-change-a-primer-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/en0sWlCO4M9780822351092.webp?v=1781559732</image:loc>
      <image:title>Global Climate Change: A Primer - Paperback</image:title>
      <image:caption>Global Climate Change: A Primer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/organic-synthesis-the-science-behind-the-art-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/PrNBaqkMsX9780854045440.webp?v=1781565273</image:loc>
      <image:title>Organic Synthesis: The Science Behind the Art - Paperback</image:title>
      <image:caption>Organic Synthesis: The Science Behind the Art</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/development-of-a-new-material-monolithic-ti4o7-ebonex-ceramic-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/FaS0XbZFhx9780854049844.webp?v=1781565304</image:loc>
      <image:title>Development of a New Material: Monolithic Ti4o7 Ebonex Ceramic - Paperback</image:title>
      <image:caption>Development of a New Material: Monolithic Ti4o7 Ebonex Ceramic</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biology-of-human-starvation-volume-ii-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/WDGJzjxYzO9780816672332.webp?v=1783182717</image:loc>
      <image:title>The Biology of Human Starvation: Volume II - Paperback</image:title>
      <image:caption>The Biology of Human Starvation: Volume II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/after-the-crime-the-power-of-restorative-justice-dialogues-between-victims-and-violent-offenders-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4T3hX5mJzW9780814795538.webp?v=1781558814</image:loc>
      <image:title>After the Crime: The Power of Restorative Justice Dialogues Between Victims and Violent Offenders - Paperback</image:title>
      <image:caption>After the Crime: The Power of Restorative Justice Dialogues Between Victims and Violent Offenders</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/water-a-matrix-of-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/yZtKGo8gif9780854045839.webp?v=1781565275</image:loc>
      <image:title>Water: A Matrix of Life - Paperback</image:title>
      <image:caption>Water: A Matrix of Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/nasa-trek-popular-science-and-sex-in-america-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xBfEZNPxCv9780860916178.webp?v=1781565305</image:loc>
      <image:title>Nasa/Trek: Popular Science and Sex in America - Paperback</image:title>
      <image:caption>Nasa/Trek: Popular Science and Sex in America</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-7-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ymd8PPqCik9780820600604.webp?v=1783184492</image:loc>
      <image:title>The Chemical Formulary, Volume 7 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 7</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/weeds-of-the-midwestern-united-states-central-canada-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TVB9mH9R0Y9780820335063.webp?v=1781559722</image:loc>
      <image:title>Weeds of the Midwestern United States &amp; Central Canada - Paperback</image:title>
      <image:caption>Weeds of the Midwestern United States &amp; Central Canada</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-races-of-europe-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/rR7Kt5X4K89780837163284.webp?v=1783188165</image:loc>
      <image:title>The Races of Europe - Hardcover</image:title>
      <image:caption>The Races of Europe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/vacuum-technology-calculations-in-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/qL0xBXTAb79780854046515.webp?v=1781565276</image:loc>
      <image:title>Vacuum Technology: Calculations in Chemistry - Paperback</image:title>
      <image:caption>Vacuum Technology: Calculations in Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electricity-distribution-network-design-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cgVINCDCax9780863413094.webp?v=1783189926</image:loc>
      <image:title>Electricity Distribution Network Design - Paperback</image:title>
      <image:caption>Electricity Distribution Network Design</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fireworks-principles-and-practice-1st-edition-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gUWxtIJKoM9780820602165.webp?v=1783184492</image:loc>
      <image:title>Fireworks, Principles and Practice, 1st Edition - Hardcover</image:title>
      <image:caption>Fireworks, Principles and Practice, 1st Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-poetics-of-dna-volume-2-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/bM8Q2brKQW9780816649983.webp?v=1781559401</image:loc>
      <image:title>The Poetics of DNA: Volume 2 - Paperback</image:title>
      <image:caption>The Poetics of DNA: Volume 2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/risk-assessment-and-risk-management-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NakP9_u0Sp9780854042401.webp?v=1781565278</image:loc>
      <image:title>Risk Assessment and Risk Management - Paperback</image:title>
      <image:caption>Risk Assessment and Risk Management</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemistry-for-nonchemists-principles-and-applications-for-environmental-practitioners-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/e9NVitQmhJ9780865878990.webp?v=1783189928</image:loc>
      <image:title>Chemistry for Nonchemists: Principles and Applications for Environmental Practitioners - Paperback</image:title>
      <image:caption>Chemistry for Nonchemists: Principles and Applications for Environmental Practitioners</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-foundations-of-science-and-the-concepts-of-psychology-and-psychoanalysis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/F54_gzLpeq9780816657605.webp?v=1781559402</image:loc>
      <image:title>The Foundations of Science and the Concepts of Psychology and Psychoanalysis - Paperback</image:title>
      <image:caption>The Foundations of Science and the Concepts of Psychology and Psychoanalysis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-formulary-volume-3-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ayM6xV7MWj9780820602615.webp?v=1783184493</image:loc>
      <image:title>The Chemical Formulary, Volume 3 - Paperback</image:title>
      <image:caption>The Chemical Formulary, Volume 3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/approximate-boundary-conditions-in-electromagnetics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/712bJhP3Ma9780852968499.webp?v=1781565277</image:loc>
      <image:title>Approximate Boundary Conditions in Electromagnetics - Hardcover</image:title>
      <image:caption>Approximate Boundary Conditions in Electromagnetics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/self-assembly-in-supramolecular-systems-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/L4QRIxZ7Ko9780854045129.webp?v=1781565280</image:loc>
      <image:title>Self Assembly in Supramolecular Systems - Hardcover</image:title>
      <image:caption>Self Assembly in Supramolecular Systems</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ptolemy-and-the-foundations-of-ancient-mathematical-optics-a-source-based-guided-study-transactions-american-philosophical-society-vol-89-part-3-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/gB4reCl0kt9780871698933.webp?v=1781566161</image:loc>
      <image:title>Ptolemy and the Foundations of Ancient Mathematical Optics: A Source Based Guided Study, Transactions, American Philosophical Society (Vol. 89, Part 3 - Paperback</image:title>
      <image:caption>Ptolemy and the Foundations of Ancient Mathematical Optics: A Source Based Guided Study, Transactions, American Philosophical Society (Vol. 89, Part 3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-archaeology-of-environmental-change-socionatural-legacies-of-degradation-and-resilience-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oUBy-FSb6W9780816514847.webp?v=1781559026</image:loc>
      <image:title>The Archaeology of Environmental Change: Socionatural Legacies of Degradation and Resilience - Paperback</image:title>
      <image:caption>The Archaeology of Environmental Change: Socionatural Legacies of Degradation and Resilience</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-chemical-analysis-of-electroplating-solutions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JTSuZUNku39780820603803.webp?v=1783184494</image:loc>
      <image:title>The Chemical Analysis of Electroplating Solutions - Paperback</image:title>
      <image:caption>The Chemical Analysis of Electroplating Solutions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sports-afields-deer-hunters-almanac-a-complete-guide-to-finding-taking-and-preparing-americas-premier-game-animal-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0SDsRW2J639780871136435.webp?v=1781566146</image:loc>
      <image:title>Sports Afield&apos;s Deer Hunter&apos;s Almanac: A Complete Guide to Finding, Taking and Preparing America&apos;s Premier Game Animal - Paperback</image:title>
      <image:caption>Sports Afield&apos;s Deer Hunter&apos;s Almanac: A Complete Guide to Finding, Taking and Preparing America&apos;s Premier Game Animal</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/risk-assessment-the-human-dimension-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YnBxT24Ewe9780854045549.webp?v=1781565281</image:loc>
      <image:title>Risk Assessment: The Human Dimension - Paperback</image:title>
      <image:caption>Risk Assessment: The Human Dimension</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/earth-science-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/p0lKOcf-V_9780873864459.webp?v=1783191734</image:loc>
      <image:title>Earth Science Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Earth Science Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/environmentalism-and-economic-justice-two-chicano-struggles-in-the-southwest-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Wtb6cNk6-_9780816516056.webp?v=1781559028</image:loc>
      <image:title>Environmentalism and Economic Justice: Two Chicano Struggles in the Southwest - Paperback</image:title>
      <image:caption>Environmentalism and Economic Justice: Two Chicano Struggles in the Southwest</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-wars-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/C6fD3jtJnD9780822318712.webp?v=1781559733</image:loc>
      <image:title>Science Wars - Paperback</image:title>
      <image:caption>Science Wars</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mechanisms-in-plant-development-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ORmjUZnKRs9780865427426.webp?v=1783189924</image:loc>
      <image:title>Mechanisms in Plant Development - Paperback</image:title>
      <image:caption>Mechanisms in Plant Development</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/postcranial-adaptation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NvxdzGtZ7T9780875805597.webp?v=1783191735</image:loc>
      <image:title>Postcranial Adaptation - Paperback</image:title>
      <image:caption>Postcranial Adaptation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-moon-and-the-western-imagination-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/iWoWQR8kBD9780816519897.webp?v=1781559030</image:loc>
      <image:title>The Moon and the Western Imagination - Paperback</image:title>
      <image:caption>The Moon and the Western Imagination</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemistry-and-physics-of-coatings-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7uxOs1S9zv9780854046041.webp?v=1781565283</image:loc>
      <image:title>Chemistry and Physics of Coatings - Hardcover</image:title>
      <image:caption>Chemistry and Physics of Coatings</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/science-secrets-the-truth-about-darwins-finches-einsteins-wife-and-other-myths-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/a15wCBijcV9780822962304.webp?v=1781560195</image:loc>
      <image:title>Science Secrets: The Truth about Darwin&apos;s Finches, Einstein&apos;s Wife, and Other Myths - Paperback</image:title>
      <image:caption>Science Secrets: The Truth about Darwin&apos;s Finches, Einstein&apos;s Wife, and Other Myths</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/harmony-of-the-world-by-johannes-kepler-memoirs-american-philosophical-society-vol-209-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/YVie3x-FW9780871692092.webp?v=1781566148</image:loc>
      <image:title>Harmony of the World by Johannes Kepler: Memoirs, American Philosophical Society (Vol. 209) - Hardcover</image:title>
      <image:caption>Harmony of the World by Johannes Kepler: Memoirs, American Philosophical Society (Vol. 209)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/atlantic-coast-beaches-a-guide-to-ripples-dunes-and-other-natural-features-of-the-seashore-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/twtj6xG7ET9780878425341.webp?v=1783191736</image:loc>
      <image:title>Atlantic Coast Beaches: A Guide to Ripples, Dunes, and Other Natural Features of the Seashore - Paperback</image:title>
      <image:caption>Atlantic Coast Beaches: A Guide to Ripples, Dunes, and Other Natural Features of the Seashore</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/basic-principles-of-colloid-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1BlnA4KsLP9780851864433.webp?v=1781565284</image:loc>
      <image:title>Basic Principles of Colloid Science - Paperback</image:title>
      <image:caption>Basic Principles of Colloid Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-foundations-of-scientific-inference-50th-anniversary-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/whwP2k_9KJ9780822964568.webp?v=1781560197</image:loc>
      <image:title>The Foundations of Scientific Inference: 50th Anniversary Edition - Paperback</image:title>
      <image:caption>The Foundations of Scientific Inference: 50th Anniversary Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-environmental-justice-reader-politics-poetics-pedagogy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/s__XNjsgZy9780816522071.webp?v=1781559031</image:loc>
      <image:title>The Environmental Justice Reader: Politics, Poetics, &amp; Pedagogy - Paperback</image:title>
      <image:caption>The Environmental Justice Reader: Politics, Poetics, &amp; Pedagogy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/finding-trout-in-all-conditions-a-guide-to-understanding-natures-forces-for-better-production-on-the-water-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cxu67Tyjov9780871083289.webp?v=1781566150</image:loc>
      <image:title>Finding Trout in All Conditions: A Guide to Understanding Nature&apos;s Forces for Better Production on the Water - Paperback</image:title>
      <image:caption>Finding Trout in All Conditions: A Guide to Understanding Nature&apos;s Forces for Better Production on the Water</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/rheology-for-chemists-an-introduction-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wUMKeqAx7v9780854048397.webp?v=1781565286</image:loc>
      <image:title>Rheology for Chemists: An Introduction - Hardcover</image:title>
      <image:caption>Rheology for Chemists: An Introduction</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-noetics-of-nature-environmental-philosophy-and-the-holy-beauty-of-the-visible-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/JOZQmNXrOF9780823254651.webp?v=1781560198</image:loc>
      <image:title>The Noetics of Nature: Environmental Philosophy and the Holy Beauty of the Visible - Paperback</image:title>
      <image:caption>The Noetics of Nature: Environmental Philosophy and the Holy Beauty of the Visible</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sciences-from-below-feminisms-postcolonialities-and-modernities-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/UO7eJAynVn9780822342823.webp?v=1781559723</image:loc>
      <image:title>Sciences from Below: Feminisms, Postcolonialities, and Modernities - Paperback</image:title>
      <image:caption>Sciences from Below: Feminisms, Postcolonialities, and Modernities</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/genetics-and-heredity-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/tf0sSaqspx9780873864503.webp?v=1781566546</image:loc>
      <image:title>Genetics and Heredity Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Genetics and Heredity Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/300-creative-physics-problems-with-solutions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/65IixubjQB9780857284020.webp?v=1783189925</image:loc>
      <image:title>300 Creative Physics Problems with Solutions - Paperback</image:title>
      <image:caption>300 Creative Physics Problems with Solutions</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/test-yourself-anatomy-physiology-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cNKhsm6lOq9780844223803.webp?v=1783188167</image:loc>
      <image:title>Test Yourself: Anatomy &amp; Physiology - Paperback</image:title>
      <image:caption>Test Yourself: Anatomy &amp; Physiology</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/gut-feminism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/d6uluQ2c2n9780822359708.webp?v=1781560188</image:loc>
      <image:title>Gut Feminism - Paperback</image:title>
      <image:caption>Gut Feminism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/growth-against-development-the-economic-impact-of-railroads-in-porfirian-mexico-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/AbuQy_xIaB9780875806006.webp?v=1783191728</image:loc>
      <image:title>Growth Against Development: The Economic Impact of Railroads in Porfirian Mexico - Paperback</image:title>
      <image:caption>Growth Against Development: The Economic Impact of Railroads in Porfirian Mexico</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-ecological-city-preserving-and-restoring-urban-biodiversity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/VS04scr2no9780870238840.webp?v=1781566152</image:loc>
      <image:title>The Ecological City: Preserving and Restoring Urban Biodiversity - Paperback</image:title>
      <image:caption>The Ecological City: Preserving and Restoring Urban Biodiversity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/rivers-over-rock-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Ka3KHymQIH9780875900902.webp?v=1783191737</image:loc>
      <image:title>Rivers Over Rock - Hardcover</image:title>
      <image:caption>Rivers Over Rock</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/food-science-fifth-edition-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Vc8sdSog0x9780834212657.webp?v=1783186322</image:loc>
      <image:title>Food Science: Fifth Edition - Hardcover</image:title>
      <image:caption>Food Science: Fifth Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/radiation-brain-moms-and-citizen-scientists-the-gender-politics-of-food-contamination-after-fukushima-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/cquCqBq20u9780822361824.webp?v=1783184485</image:loc>
      <image:title>Radiation Brain Moms and Citizen Scientists: The Gender Politics of Food Contamination After Fukushima - Hardcover</image:title>
      <image:caption>Radiation Brain Moms and Citizen Scientists: The Gender Politics of Food Contamination After Fukushima</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-biodynamic-farm-agriculture-in-service-of-the-earth-and-humanity-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k1uttNqwTC9780880101721.webp?v=1783193429</image:loc>
      <image:title>The Biodynamic Farm: Agriculture in Service of the Earth and Humanity - Paperback</image:title>
      <image:caption>The Biodynamic Farm: Agriculture in Service of the Earth and Humanity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-environmental-chemistry-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8-MLSNCvWr9780854043712.webp?v=1781565287</image:loc>
      <image:title>Principles of Environmental Chemistry - Hardcover</image:title>
      <image:caption>Principles of Environmental Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/animate-planet-making-visceral-sense-of-living-in-a-high-tech-ecologically-damaged-world-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/B9FjXAOwPJ9780822362326.webp?v=1783184486</image:loc>
      <image:title>Animate Planet: Making Visceral Sense of Living in a High-Tech Ecologically Damaged World - Paperback</image:title>
      <image:caption>Animate Planet: Making Visceral Sense of Living in a High-Tech Ecologically Damaged World</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-battle-for-genesis-1-and-2-creationism-vs-theistic-evolution-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aQh51RheoJ9780880195836.webp?v=1783193430</image:loc>
      <image:title>The Battle for Genesis 1 and 2: Creationism vs. Theistic Evolution - Paperback</image:title>
      <image:caption>The Battle for Genesis 1 and 2: Creationism vs. Theistic Evolution</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ancient-egyptian-science-vol-ii-calendars-clocks-and-astronomy-memoirs-american-philosophical-society-vol-214-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/3VnOZ5hAuv9780871692146.webp?v=1781566154</image:loc>
      <image:title>Ancient Egyptian Science, Vol. II: Calendars, Clocks, and Astronomy, Memoirs, American Philosophical Society (Vol. 214) - Paperback</image:title>
      <image:caption>Ancient Egyptian Science, Vol. II: Calendars, Clocks, and Astronomy, Memoirs, American Philosophical Society (Vol. 214)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemistry-of-paper-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lVvh6o48_y9780854045181.webp?v=1781565289</image:loc>
      <image:title>Chemistry of Paper - Paperback</image:title>
      <image:caption>Chemistry of Paper</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/analytical-method-development-and-validation-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/42n1i05u6a9780824701154.webp?v=1781561022</image:loc>
      <image:title>Analytical Method Development and Validation - Paperback</image:title>
      <image:caption>Analytical Method Development and Validation</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-science-of-mechanics-a-critical-and-historical-account-of-its-development-paperback-1</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/fO7rdZctVK9780875482026.webp?v=1781566546</image:loc>
      <image:title>The Science of Mechanics: A Critical and Historical Account of Its Development - Paperback</image:title>
      <image:caption>The Science of Mechanics: A Critical and Historical Account of Its Development</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-road-from-los-alamos-collected-essays-of-hans-a-bethe-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MqnYSrrW-Y9780883187074.webp?v=1781568281</image:loc>
      <image:title>The Road from Los Alamos: Collected Essays of Hans A. Bethe - Hardcover</image:title>
      <image:caption>The Road from Los Alamos: Collected Essays of Hans A. Bethe</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ecology-and-the-environment-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/RiuQC9hJYd9780873864343.webp?v=1781566156</image:loc>
      <image:title>Ecology and The Environment Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Ecology and The Environment Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/access-to-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OFWlc2zdlw9780854045648.webp?v=1781565290</image:loc>
      <image:title>Access to Chemistry - Paperback</image:title>
      <image:caption>Access to Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/environmental-chemical-analysis-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/v-22TpdIaW9780849338380.webp?v=1783188162</image:loc>
      <image:title>Environmental Chemical Analysis - Paperback</image:title>
      <image:caption>Environmental Chemical Analysis</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/soil-and-groundwater-contamina-with-cdrom-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/F7SKscsI6y9780875903217.webp?v=1783191728</image:loc>
      <image:title>Soil and Groundwater Contamina [With CDROM] - Paperback</image:title>
      <image:caption>Soil and Groundwater Contamina [With CDROM]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-physics-of-sports-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/amtcR3zjEw9780883189467.webp?v=1781568281</image:loc>
      <image:title>The Physics of Sports - Paperback</image:title>
      <image:caption>The Physics of Sports</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/life-science-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/wkiAfQHAxC9780873865449.webp?v=1781566548</image:loc>
      <image:title>Life Science Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Life Science Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electronic-waste-management-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oBZ3m_Bxie9780854041121.webp?v=1781565260</image:loc>
      <image:title>Electronic Waste Management - Hardcover</image:title>
      <image:caption>Electronic Waste Management</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-light-course-first-course-in-natural-science-light-color-sound-mass-electricity-magnetism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/B5EUi0Ks3O9780880104999.webp?v=1783193420</image:loc>
      <image:title>The Light Course: First Course in Natural Science: Light, Color, Sound--Mass, Electricity, Magnetism - Paperback</image:title>
      <image:caption>The Light Course: First Course in Natural Science: Light, Color, Sound--Mass, Electricity, Magnetism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/vision-or-villainy-origins-of-the-owens-valley-los-angeles-water-controversy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/d-Uv6jxyoK9780890965092.webp?v=1783195310</image:loc>
      <image:title>Vision or Villainy: Origins of the Owens Valley-Los Angeles Water Controversy - Paperback</image:title>
      <image:caption>Vision or Villainy: Origins of the Owens Valley-Los Angeles Water Controversy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/understanding-batteries-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8JjXWOBba09780854046058.webp?v=1781565292</image:loc>
      <image:title>Understanding Batteries - Paperback</image:title>
      <image:caption>Understanding Batteries</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-politics-of-zoos-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0iJeJDgw0M9780875806136.webp?v=1783191730</image:loc>
      <image:title>The Politics of Zoos - Paperback</image:title>
      <image:caption>The Politics of Zoos</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/practical-laboratory-skills-training-guides-gas-chromatography-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XP1k5W1YnW9780854044788.webp?v=1781565262</image:loc>
      <image:title>Practical Laboratory Skills Training Guides: Gas Chromatography - Paperback</image:title>
      <image:caption>Practical Laboratory Skills Training Guides: Gas Chromatography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/silica-spiral</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TqF-jCzzmT9780879839055.webp?v=1783193423</image:loc>
      <image:title>Silica - Spiral</image:title>
      <image:caption>Silica</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/coloured-glasses-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uU5O_wzyzP9780900682919.webp?v=1781569960</image:loc>
      <image:title>Coloured Glasses - Paperback</image:title>
      <image:caption>Coloured Glasses</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/basic-atomic-and-molecular-spectroscopy-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TQPNFDyCN_9780854046676.webp?v=1781565293</image:loc>
      <image:title>Basic Atomic and Molecular Spectroscopy - Paperback</image:title>
      <image:caption>Basic Atomic and Molecular Spectroscopy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/food-flavours-biology-and-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0Atc8QawB69780854045389.webp?v=1781565263</image:loc>
      <image:title>Food Flavours: Biology and Chemistry - Paperback</image:title>
      <image:caption>Food Flavours: Biology and Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/waves-in-plasmas-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/6zQTTXhzFW9780883188590.webp?v=1783193424</image:loc>
      <image:title>Waves in Plasmas - Hardcover</image:title>
      <image:caption>Waves in Plasmas</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/our-amazing-planet-introduction-to-geography-for-young-scientists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/zNwO-9a1gK9780897392860.webp?v=1783195311</image:loc>
      <image:title>Our Amazing Planet - Introduction to Geography for Young Scientists - Paperback</image:title>
      <image:caption>Our Amazing Planet - Introduction to Geography for Young Scientists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/environmental-forensics-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/A15gjgfTpy9780854049578.webp?v=1781565295</image:loc>
      <image:title>Environmental Forensics - Hardcover</image:title>
      <image:caption>Environmental Forensics</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/polymers-and-the-environment-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/OHqN8Y425c9780854045785.webp?v=1781565265</image:loc>
      <image:title>Polymers and the Environment - Paperback</image:title>
      <image:caption>Polymers and the Environment</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/understanding-electromagnetic-scatterin-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nwM9pE7R069780890068595.webp?v=1783195303</image:loc>
      <image:title>Understanding Electromagnetic Scatterin - Hardcover</image:title>
      <image:caption>Understanding Electromagnetic Scatterin</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/southeast-alaska-current-atlas-from-grenville-to-skagway-second-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/f71k9M2pkQ9780914025542.webp?v=1781575345</image:loc>
      <image:title>Southeast Alaska Current Atlas: From Grenville to Skagway, Second Edition - Paperback</image:title>
      <image:caption>Southeast Alaska Current Atlas: From Grenville to Skagway, Second Edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/reflections-in-bulloughs-pond-economy-and-ecosystem-in-new-england-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/21ddjC8lrU9780874519105.webp?v=1781566549</image:loc>
      <image:title>Reflections in Bullough&apos;s Pond: Economy and Ecosystem in New England - Paperback</image:title>
      <image:caption>Reflections in Bullough&apos;s Pond: Economy and Ecosystem in New England</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/landscape-ethnoecology-concepts-of-biotic-and-physical-space-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/TfDm_x3-_o9780857456328.webp?v=1781565296</image:loc>
      <image:title>Landscape Ethnoecology: Concepts of Biotic and Physical Space - Paperback</image:title>
      <image:caption>Landscape Ethnoecology: Concepts of Biotic and Physical Space</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/the-power-of-maps-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9D5qxn3qAK9780898624939.webp?v=1783195304</image:loc>
      <image:title>The Power of Maps - Paperback</image:title>
      <image:caption>The Power of Maps</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/textbook-of-elementary-physics-volume-2-electricity-and-magnetism-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/k_EdzPpdGY9780898750379.webp?v=1783195312</image:loc>
      <image:title>Textbook of Elementary Physics: Volume 2, Electricity and Magnetism - Paperback</image:title>
      <image:caption>Textbook of Elementary Physics: Volume 2, Electricity and Magnetism</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/chemical-formulation-an-overview-of-surfactant-based-chemical-preparations-used-in-everyday-life-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lg7hxKH9DU9780854046355.webp?v=1781565266</image:loc>
      <image:title>Chemical Formulation: An Overview of Surfactant Based Chemical Preparations Used in Everyday Life - Paperback</image:title>
      <image:caption>Chemical Formulation: An Overview of Surfactant Based Chemical Preparations Used in Everyday Life</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/sea-salt-aerosol-production-mechanisms-methods-measurements-and-models-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/oTNPu5-dUs9780875904177.webp?v=1783191731</image:loc>
      <image:title>Sea Salt Aerosol Production: Mechanisms, Methods, Measurements, and Models - Hardcover</image:title>
      <image:caption>Sea Salt Aerosol Production: Mechanisms, Methods, Measurements, and Models</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/microwave-circuit-theory-and-foundations-of-microwave-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9Ieo4r_CeE9780863412875.webp?v=1783189925</image:loc>
      <image:title>Microwave Circuit Theory and Foundations of Microwave - Hardcover</image:title>
      <image:caption>Microwave Circuit Theory and Foundations of Microwave</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/holography-marketplace-4th-edition-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/O9nneOMAO89780894960970.webp?v=1783195305</image:loc>
      <image:title>Holography MarketPlace 4th edition - Paperback</image:title>
      <image:caption>Holography MarketPlace 4th edition</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/mineralogical-crystallography-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/BwZo6l10x89780903056595.webp?v=1783197049</image:loc>
      <image:title>Mineralogical Crystallography - Paperback</image:title>
      <image:caption>Mineralogical Crystallography</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/surfactants-europa-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/e0T2RVoaAM9780854048045.webp?v=1781565268</image:loc>
      <image:title>Surfactants Europa - Paperback</image:title>
      <image:caption>Surfactants Europa</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/relativity-paperback-4</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/sKVljiXinH9780881453195.webp?v=1783193425</image:loc>
      <image:title>Relativity - Paperback</image:title>
      <image:caption>Relativity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geology-for-nongeologists-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/EfGiOfzm1U9780865871854.webp?v=1781565921</image:loc>
      <image:title>Geology for Nongeologists - Paperback</image:title>
      <image:caption>Geology for Nongeologists</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/skeps-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lTfxETnJ3S9780907908388.webp?v=1783197042</image:loc>
      <image:title>Skeps - Paperback</image:title>
      <image:caption>Skeps</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/power-circuit-breaker-theory-and-design-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0syVNj1s7B9780906048702.webp?v=1781575346</image:loc>
      <image:title>Power Circuit Breaker Theory and Design - Paperback</image:title>
      <image:caption>Power Circuit Breaker Theory and Design</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/electromagnetic-mixing-formulas-and-applications-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/xnSaoMz4FY9780852967720.webp?v=1783188163</image:loc>
      <image:title>Electromagnetic Mixing Formulas and Applications - Hardcover</image:title>
      <image:caption>Electromagnetic Mixing Formulas and Applications</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ptolemys-theory-of-visual-perception-an-english-translation-of-the-optics-with-introduction-and-commentary-transactions-american-philosophical-so-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8nzAIvEl2k9780871698629.webp?v=1781566158</image:loc>
      <image:title>Ptolemy&apos;s Theory of Visual Perception: An English Translation of the Optics. with Introduction and Commentary, Transactions, American Philosophical So - Paperback</image:title>
      <image:caption>Ptolemy&apos;s Theory of Visual Perception: An English Translation of the Optics. with Introduction and Commentary, Transactions, American Philosophical So</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/elliptical-fiber-waveguides-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/8VvqDHRthH9780890064771.webp?v=1783193426</image:loc>
      <image:title>Elliptical Fiber Waveguides - Hardcover</image:title>
      <image:caption>Elliptical Fiber Waveguides</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/natures-silent-music-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/XX7Ly0zPO89780911311334.webp?v=1781575341</image:loc>
      <image:title>Nature&apos;s Silent Music - Paperback</image:title>
      <image:caption>Nature&apos;s Silent Music</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/principles-of-underwater-sound-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/pQOB4QlA5O9780932146625.webp?v=1781575347</image:loc>
      <image:title>Principles of Underwater Sound - Hardcover</image:title>
      <image:caption>Principles of Underwater Sound</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geometrical-theory-of-diffraction-for-electromagnetic-waves-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/B0ImdaTkCu9780863410628.webp?v=1781565269</image:loc>
      <image:title>Geometrical Theory of Diffraction for Electromagnetic Waves - Paperback</image:title>
      <image:caption>Geometrical Theory of Diffraction for Electromagnetic Waves</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/nuclear-reactions-science-and-trans-science-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/4mFYulMLAM9780883188613.webp?v=1781568279</image:loc>
      <image:title>Nuclear Reactions: Science and Trans-Science - Hardcover</image:title>
      <image:caption>Nuclear Reactions: Science and Trans-Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/our-solar-system-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/9ZHAizk8Xe9780873864404.webp?v=1781566160</image:loc>
      <image:title>Our Solar System Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Our Solar System Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/bontemps-on-glass-making-the-guide-du-verrier-of-georges-bontemps-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/KSTJhRLC9p9780900682605.webp?v=1783197043</image:loc>
      <image:title>Bontemps on Glass Making: The Guide Du Verrier of Georges Bontemps - Paperback</image:title>
      <image:caption>Bontemps on Glass Making: The Guide Du Verrier of Georges Bontemps</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/pyroxenes-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/CqINp6V1kf9780939950072.webp?v=1781575804</image:loc>
      <image:title>Pyroxenes - Paperback</image:title>
      <image:caption>Pyroxenes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/dark-age-america-climate-change-cultural-collapse-and-the-hard-future-ahead-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/b-t1_RwMu99780865718333.webp?v=1781565918</image:loc>
      <image:title>Dark Age America: Climate Change, Cultural Collapse, and the Hard Future Ahead - Paperback</image:title>
      <image:caption>Dark Age America: Climate Change, Cultural Collapse, and the Hard Future Ahead</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/introduction-to-the-rock-forming-minerals-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/vaIzHeYxte9780903056274.webp?v=1781575342</image:loc>
      <image:title>Introduction to the Rock-Forming Minerals - Paperback</image:title>
      <image:caption>Introduction to the Rock-Forming Minerals</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/cultural-values-and-human-ecology-in-southeast-asia-volume-27-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZINg5Y-pNR9780891480402.webp?v=1781569396</image:loc>
      <image:title>Cultural Values and Human Ecology in Southeast Asia: Volume 27 - Paperback</image:title>
      <image:caption>Cultural Values and Human Ecology in Southeast Asia: Volume 27</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/ancient-wisdom-and-modern-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/GrX2OpQVAV9780873958493.webp?v=1781566550</image:loc>
      <image:title>Ancient Wisdom and Modern Science - Paperback</image:title>
      <image:caption>Ancient Wisdom and Modern Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/minerals-and-reactions-at-the-atomic-scale-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Sr66Fy-u0a9780939950324.webp?v=1781575805</image:loc>
      <image:title>Minerals and Reactions at the Atomic Scale - Paperback</image:title>
      <image:caption>Minerals and Reactions at the Atomic Scale</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/extra-terrestrial-matter-hardcover</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/NN9k4A2t7Z9780875800097.webp?v=1783191726</image:loc>
      <image:title>Extra-Terrestrial Matter - Hardcover</image:title>
      <image:caption>Extra-Terrestrial Matter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/a-first-course-in-polymer-chemistry-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/nu7FX2R4gQ9780898756579.webp?v=1783195306</image:loc>
      <image:title>A First Course in Polymer Chemistry - Paperback</image:title>
      <image:caption>A First Course in Polymer Chemistry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/signal-detection-and-recognition-by-human-observers-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/y5qFDh8SI59780932146212.webp?v=1783197045</image:loc>
      <image:title>Signal Detection and Recognition by Human Observers - Paperback</image:title>
      <image:caption>Signal Detection and Recognition by Human Observers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/applications-of-synchrotron-radiation-in-low-temperature-geochemistry-and-environmental-science-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/MCoN9iLRcU9780939950614.webp?v=1781575805</image:loc>
      <image:title>Applications of Synchrotron Radiation in Low-Temperature Geochemistry and Environmental Science - Paperback</image:title>
      <image:caption>Applications of Synchrotron Radiation in Low-Temperature Geochemistry and Environmental Science</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/geology-underfoot-in-illinois-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/7TgYRgXHcR9780878423460.webp?v=1781568833</image:loc>
      <image:title>Geology Underfoot in Illinois - Paperback</image:title>
      <image:caption>Geology Underfoot in Illinois</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/alhacens-theory-of-visual-perception-first-three-books-of-alhacens-de-aspectibus-volume-two-english-translation-transactions-american-philosop-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/1Q2q28j0L9780871699152.webp?v=1781566146</image:loc>
      <image:title>Alhacen&apos;s Theory of Visual Perception (First Three Books of Alhacen&apos;s de Aspectibus), Volume Two--English Translation: Transactions, American Philosop - Paperback</image:title>
      <image:caption>Alhacen&apos;s Theory of Visual Perception (First Three Books of Alhacen&apos;s de Aspectibus), Volume Two--English Translation: Transactions, American Philosop</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/uranus-neptune-pluto-a-longer-view-of-their-history-and-their-movements-in-the-years-ahead-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/ZBrYTjifFp9780934546751.webp?v=1783197046</image:loc>
      <image:title>Uranus, Neptune, Pluto: A longer view of their history and their movements in the years ahead - Paperback</image:title>
      <image:caption>Uranus, Neptune, Pluto: A longer view of their history and their movements in the years ahead</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/holography-marketplace-7th-edition-the-industry-reference-text-and-sourcebook-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/lXutDQ3_2N9780894961007.webp?v=1781569960</image:loc>
      <image:title>Holography MarketPlace 7th edition: The Industry Reference Text and Sourcebook - Paperback</image:title>
      <image:caption>Holography MarketPlace 7th edition: The Industry Reference Text and Sourcebook</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/new-views-of-the-moon-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/0f0-fPgbj9780939950720.webp?v=1781575807</image:loc>
      <image:title>New Views of the Moon - Paperback</image:title>
      <image:caption>New Views of the Moon</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/roadside-geology-of-colorado-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/uem0G5W8lp9780878426096.webp?v=1781568834</image:loc>
      <image:title>Roadside Geology of Colorado - Paperback</image:title>
      <image:caption>Roadside Geology of Colorado</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/physical-science-bingo-book-complete-bingo-game-in-a-book-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/Sq6vmEyB239780873864466.webp?v=1781566543</image:loc>
      <image:title>Physical Science Bingo Book: Complete Bingo Game In A Book - Paperback</image:title>
      <image:caption>Physical Science Bingo Book: Complete Bingo Game In A Book</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.vysn.com/products/fluid-inclusions-paperback</loc>
    <lastmod>2026-07-23T19:49:12-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0300/5595/6612/files/aRM4gezPZv9780939950164.webp?v=1781575789</image:loc>
      <image:title>Fluid Inclusions - Paperback</image:title>
      <image:caption>Fluid Inclusions</image:caption>
    </image:image>
  </url>
</urlset>
