| Hard as Nails in Wars and Battles |
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7.3 |
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| Hard as Nails Kings and Queens |
|
7.1 |
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| Hard as Nails Travelers and Explorers |
|
7.1 |
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| Hard as Nails Warriors |
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7.3 |
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| Harriet Beecher Stowe: The Voice of Humanity in White America |
|
7.8 |
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| Harriet Tubman: Conductor on the Underground Railroad |
|
6.9 |
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| Harry Styles |
|
6.4 |
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| Haunted at Sea |
|
6.2 |
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| Haunted Battlefields |
|
6.2 |
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| Haunted Castles and Forts |
|
5.8 |
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| Haunted Churches and Graveyards |
|
5.8 |
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| Haunted Towns and Villages |
|
5.7 |
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| Haunted Woods and Caves |
|
6.0 |
|
|
| Have You Heard? Active Listening |
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|
|
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| Heads Up! Concussion Awareness |
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|
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| Head-to-Toe Body Questions |
|
5.0 |
|
|
| Health Care Journalism |
|
7.7 |
|
|
| Healthy Eating |
|
3.5 |
|
|
| Heat |
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|
|
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| Heat Wave and Drought Readiness |
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|
|
|
| Helicopters |
|
7.2 |
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|
| Helping Others |
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|
|
|
| Henry the Navigator: Prince of Portuguese Exploration |
|
7.1 |
|
|
| Heroes of Medicine and their Discoveries |
|
6.2 |
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