| Affecting Lives: Drugs and Addiction (12 titles) |
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| Amazing Sports Records (6 titles) |
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| America's Sights and Symbols (12 titles) |
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| Ancient Warriors (8 titles) |
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| Animal Migrations (12 titles) |
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| Animal Olympics (8 titles) |
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| Animals of the Rain Forest (6 titles) |
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| Animals of the Rain Forest (8 titles) |
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| Artificial Intelligence (8 titles) |
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| Before the Store (12 titles) |
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| College Basketball Teams (12 titles) |
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| College Football Teams (12 titles) |
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| Constellations (8 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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| Divisions of Football (8 titles) |
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| Domestic Cats (8 titles) |
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| Domestic Dogs (15 titles) |
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| Earth-Friendly Projects (8 titles) |
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| Engineering that Made America (8 titles) |
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| English Grammar (12 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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