| Presidents of the United States (45 titles) |
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| Privacy in the Digital Age (6 titles) |
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| Professional Sports Leagues (6 titles) |
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| Protecting Our Planet (6 titles) |
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| Protest Movements (6 titles) |
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| Pro Wrestling's Greatest (5 titles) |
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| Race and American Law (6 titles) |
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| Race and Sports (6 titles) |
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| Race in America (6 titles) |
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| Reading Spree Preview Bundle (40 titles) |
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| Real Monsters (6 titles) |
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| Reels & Wheels Preview Bundle (46 titles) |
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| Reference & Rebounds Preview Bundle (44 titles) |
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| Riveting Reads Preview Bundle (37 titles) |
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| Rm. 201 (4 titles) |
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| Robot Innovations (6 titles) |
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| Robyn Hood (4 titles) |
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| Rock & Role Models Preview Bundle (27 titles) |
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| Rocks and Minerals (5 titles) |
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| Rotten School (8 titles) |
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