| Ice Age Animals (6 titles) |
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| Iconic American Decades (8 titles) |
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| Iconic Cars (6 titles) |
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| Iconic National Parks (8 titles) |
New! Fall 2025 |
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| I Escaped Set 1 (6 titles) |
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| I Escaped Set 2 (6 titles) |
New! Spring 2026 |
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| I'm Thinking of An Animal (6 titles) |
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| I'm Thinking of a State (6 titles) |
New! Spring 2026 |
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| Incredible Animal Face-Offs (6 titles) |
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| Incredible Insects (6 titles) |
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| Industry Jobs (6 titles) |
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| Insectos impresionantes (Incredible Insects) (6 titles) |
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| Insectos (Insects) (3 titles) |
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| Inside College Football (12 titles) |
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| Inside College Football Set 3 (7 titles) |
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| Inside Martial Arts (5 titles) |
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| Inside MLB (30 titles) |
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| Inside MLS (26 titles) |
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| Inside Technology (8 titles) |
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| Inside the Military (8 titles) |
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