| Robot Innovations (6 titles) |
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| Robyn Hood (4 titles) |
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| Rock & Role Models Digital Preview (27 titles) |
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| Rocks and Minerals (5 titles) |
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| Saddle Up! (6 titles) |
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| Science Adventurers (6 titles) |
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| Science Encyclopedias (4 titles) |
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| Science Fact or Science Fiction? (6 titles) |
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| Science in Action (5 titles) |
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| Serial Killers (6 titles) |
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| Shakespeare Illustrated Classics (6 titles) |
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| Shiverwood Academy (4 titles) |
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| Short Tales Native American Myths (2 titles) |
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| Slavery in America (4 titles) |
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| Sleuths & Truths Preview Bundle (34 titles) |
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| Smartest Animals (6 titles) |
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| Sneakerheads (6 titles) |
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| ¡Sobrevivir! (Survive!) (4 titles) |
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| Soccer Biographies (6 titles) |
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| Social Media Sensations (8 titles) |
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