Ultimate Supercars Series (30 titles)
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Uncharted: Stories of Survival (6 titles)
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Uncommon Animals
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Unexplained Mysteries (13 titles)
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Up Close and Gross: Microscopic Creatures
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U.S. Armed Forces (6 titles)
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U.S. Government: Need to Know (6 titles)
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U.S. History: Need to Know (6 titles)
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U.S. Military (12 titles⁎)
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U.S. National Parks (12 titles)
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U.S. National Parks (6 titles)
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Vital to Earth! Keystone Species Explained (6 titles)
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War Histories (10 titles)
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Way to Grow! Gardening (5 titles)
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Weather Wise (4 titles⁎)
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What on Earth? Climate Change Explained (6 titles)
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Where You Dare Not Go (6 titles)
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New! Fall 2024 |
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Whole Wide World (15 titles)
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Why Does My Body Do That? Complete Set (12 titles)
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Wild About Animals Series (34 titles)
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Women in STEM (6 titles)
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Working Together (5 titles)
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World History: Need to Know (6 titles)
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World of Robots (6 titles)
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