| Race in America (6 titles) |
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| Science Adventurers (6 titles) |
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| Science Encyclopedias (4 titles) |
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| Serial Killers (6 titles) |
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| Slavery in America (4 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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| Sports Brands (6 titles) |
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| Sports Encyclopedias Set 2 (4 titles) |
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| Sports Strategies (8 titles) |
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| Sports Video Games (6 titles) |
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| SportsZone Biographies (8 titles) |
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| Spy Guide (6 titles) |
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| Star Athletes (6 titles) |
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| Stars of Ara (6 titles) |
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