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Gross and Disgusting Things (6 titles)
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Grow Your Mind (8 titles)
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Hail! History (6 titles⁎)
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Hands-on History (4 titles⁎)
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Hard as Nails in History (8 titles⁎)
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Haunted or Hoax? (6 titles)
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Haunted Places (6 titles)
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NEW
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Hidden History (6 titles⁎)
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Historic Communities (10 titles)
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History Raiders (6 titles)
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Hockey Source (4 titles)
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Homes Around The World (4 titles⁎)
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Horsing Around (6 titles)
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How Did That Get Here? (17 titles)
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How to Improve at... (10 titles⁎)
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Humans in Space (4 titles⁎)
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I can write a book (8 titles)
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I Care About (6 titles⁎)
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If These Fossils Could Talk (4 titles⁎)
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I Love the Seasons (4 titles)
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Impact on Earth (6 titles)
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Important United States Moments (6 titles)
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Improving Your Social Skills (6 titles)
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In the Footsteps of Explorers (24 titles⁎)
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Canada
USA
