| Affecting Lives: Drugs and Addiction (12 titles) |
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| College Football Teams (12 titles) |
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| Dangerous Jobs in Action (8 titles) |
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| Dangerous Jobs in Action (7 titles) |
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| Engineering that Made America (8 titles) |
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| Events That Changed America (8 titles) |
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| Everyday Heroes (12 titles) |
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| Explaining How Things Work (10 titles) |
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| Exploring Trade Jobs (12 titles) |
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| Eyewitness to World War I (8 titles) |
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| Eyewitness to World War II (8 titles) |
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| First Responders On the Scene (8 titles) |
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| Geography of the World (12 titles) |
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| Geology Rocks! (8 titles) |
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| Great Escapes in History (8 titles) |
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| Great Races (8 titles) |
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| Greek Gods and Goddesses (12 titles) |
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| Gross-Out Books (8 titles) |
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| Hot Streaks (8 titles) |
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| How America Works (12 titles) |
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| Idioms (8 titles) |
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| Immigrant Experiences (16 titles) |
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| Influential First Ladies (12 titles) |
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| Inside Big Events (6 titles) |
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