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Why Do Bears Sleep All Winter?: A Book About Hibernation (Why in the World?)

Name: Why Do Bears Sleep All Winter?: A Book About Hibernation (Why in the World?)
Author: Jane Duden
ISBN: 9780736863797

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Book Details

ISBN / ASIN0736863796

ISBN-139780736863797

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Provides an explanation of what hibernation is including why animals hibernate, and how they do it.