Space Science (16 titles)
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Tough Trucks (6 titles)
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Science Starters (8 titles)
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Car Crazy (22 titles)
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The Five Senses (5 titles)
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Space Tech (8 titles)
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World of Robots (6 titles)
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Military Missions (8 titles)
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Tech Icons (8 titles)
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Military Vehicles (20 titles)
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Military Machines (26 titles)
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Exploring Space (17 titles)
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Simple Machines (6 titles)
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The World's Fastest (12 titles)
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Body Systems (6 titles)
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First Science (10 titles)
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Motorcycles (10 titles)
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