Full Throttle (12 titles)
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Inventions that Changed the World (10 titles)
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Digital Citizenship (4 titles)
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Animal Tag Teams (6 titles)
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Then and Now (6 titles)
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North American Animals (57 titles)
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Great Animal Comebacks (8 titles)
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Space Science (16 titles)
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Country Profiles (78 titles)
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The Dino-sphere (10 titles)
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Space-ology (6 titles)
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Sports Championships (6 titles)
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Tough Trucks (6 titles)
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Investigating the Unexplained (10 titles)
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Being an Active Citizen (5 titles)
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Geology Genius (8 titles)
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Incredible Animal Life Cycles (7 titles)
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My Government (5 titles)
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Plant Power (6 titles)
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Animals on the Move (8 titles)
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Birds of Prey (6 titles)
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Car Crazy (22 titles)
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Movie Magic (10 titles)
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Science Starters (8 titles)
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