| Healthy Kids (8 titles) |
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| Helping Dogs (8 titles) |
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| Highly Guarded Places (8 titles) |
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| Holiday Crafts (8 titles) |
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| Holiday Symbols (6 titles) |
NEW
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| Hot Streaks (8 titles) |
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| How America Works (12 titles) |
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| Idioms (8 titles) |
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| Immigrant Experiences (16 titles) |
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| Incredible Sports Records (6 titles) |
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| Influential First Ladies (12 titles) |
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| Influential Women (6 titles) |
NEW
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| Inside Big Events (6 titles) |
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| Insider's Guide to Pro Basketball (30 titles) |
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| In the Barnyard (8 titles) |
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| In the Deep Blue Sea (12 titles) |
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| In the Driver's Seat (8 titles) |
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| Into the Wild Outdoors (12 titles) |
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| Introducing Dinosaurs (12 titles) |
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| Investigating Pollution (8 titles) |
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| Jump into Sports (4 titles) |
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| Kids' Guides (10 titles) |
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| Language Rules! (12 titles) |
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| Learning about Emotions (12 titles) |
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