| Race and Sports (6 titles) |
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| Race in America (6 titles) |
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| Seasons: Fall Fun! (6 titles) |
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| Seasons: Summer Shine! (6 titles) |
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| Senses Scavenger Hunt (6 titles) |
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| Serial Killers (6 titles) |
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| Sheroes (4 titles) |
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| Simbolos de los Estados Unidos (US Symbols) (6 titles) |
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| Slavery in America (4 titles) |
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| Sneakerheads (6 titles) |
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| Special Reports Set 1 (8 titles) |
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| Special Reports Set 2 (8 titles) |
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| Special Reports Set 3 (8 titles) |
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| Special Reports Set 4 (8 titles) |
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| Special Reports Set 5 (1 title⁎) |
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| Special Reports Set 6 (8 titles) |
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| Special Reports Set 7 (2 titles) |
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| Spooky Spots (6 titles) |
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| Sports Brands (6 titles) |
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| Sports Encyclopedias (4 titles) |
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