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Now in paperback, this is the perfect nonfiction accompaniment to Over and Under the Snow and Lines .

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How do snow crystals form? What shapes can they take? Are no two snow crystals alike? These questions and more are answered inside this exploration of the science of snow, featuring photos of real snow crystals in all their beautiful diversity. Perfect for reading on winter days, this book by a nature photographer and a snow scientist will inspire wonder and curiosity about the marvels of snow. Snowflake-catching instructions are also included for aspiring young snow scientists!

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Mark Cassino lives in Kalamazoo, Michigan, with his wife Pam and their three cats. Mark is a fine art and natural history photographer. He started photographing snow crystals in his garage in 1997.
Jon Nelson is a retired ice physicist who taught meteorology and cloud physics at the University of Arizona. He now lives in Bellingham, Washington, where he still likes to dabble in writing and research whenever he is not out trying to climb something.

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