The World of Physics (4 titles)
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The World's Fastest (4 titles⁎)
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They Don't Belong: Tracking Invasive Species
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Through the Decades (10 titles)
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New! Fall 2025 |
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Titanica (3 titles⁎)
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Top Secret Spy Stories (6 titles)
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Totally Disgusting (6 titles)
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Tough Trucks (6 titles)
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True Survival Stories (6 titles)
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Twice the Scare Combos!
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Twice the Scare II Combos! (8 titles)
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Uncommon Animals
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Unexplained Mysteries (13 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 (10 titles⁎)
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U.S. National Parks (16 titles)
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New! Spring 2026 |
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Vital to Earth! Keystone Species Explained (6 titles)
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War Histories (10 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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Where You Dare Not Go Set Two (6 titles)
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New! Fall 2025 |
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World History: Need to Know (6 titles)
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World of Robots (6 titles)
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