| Fireflies and Glowworms |
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| F is for Feathers: A Bird Alphabet |
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| Flashy Feathers: Macaw |
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1.0 |
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| Flashy Friends: Goldfish |
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1.1 |
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| Flint Water Crisis |
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| Floating a Paper Clip |
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| Florida Wetlands |
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3.5 |
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| Floss Your Teeth! |
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1.8 |
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| Flowers Bloom |
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3.9 |
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| Fly, Firefly |
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| Flying Flippers: Sea Turtle |
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1.3 |
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| Fly Rod Was First: Cornelia Crosby's Adventures in Angling |
Soon!
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| Foals |
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| Follow the Clues (14 titles) |
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| Force and Motion |
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| Forces |
New!
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| Forest |
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| Fosas |
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| Freshwater Animals |
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| Freshwater Mussels: Legion of Super Mollusks |
New
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