| 21st Century Inventions (6 titles) |
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| Accidental Science Discoveries (6 titles) |
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| Action Sports (6 titles) |
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| Adventures in Extreme Reading (1 title) |
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| Adventures of Charlie (6 titles) |
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| Adventures of Samuel Oliver (4 titles) |
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| African-American History (5 titles) |
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| Along for the Ride (4 titles) |
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| Alternative Energy (8 titles) |
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| Amazing Archaeology (6 titles) |
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| Amazing Art Forms (8 titles) |
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| Amazing Reptiles (4 titles) |
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| Amazing Young People (8 titles) |
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| Amelia Bedelia (12 titles) |
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| Amelia Rules! Set 1 (5 titles) |
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| Amelia Rules! Set 2 (5 titles) |
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| American Citizenship (6 titles) |
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| American Indians (6 titles) |
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| Amigos de la granja (Farmyard Friends) (4 titles) |
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| Amigos de la granja Set 2 (Farm Friends) (4 titles) |
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