| Dog Tells a Story |
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| Dolphins |
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| Do NOT Hire a Dinosaur Babysitter |
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| Dragonflies |
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| Drawing Helps |
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| Driverless Cars |
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| Duck and Dog Bake a Pie |
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| Duck and Dog, Friends Forever |
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| Duck and Dog - Level 1 (6 titles) |
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| Duck and Dog Take a Hike |
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| Duck Makes a Splash! |
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| Dump Trucks |
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| Earth |
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| Earth |
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| Earth and Space Science (13 titles) |
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| Earthquakes |
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| Earth Systems |
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| Eastern State Penitentiary |
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| Eerie Encounter at Emily's Bridge |
NEW
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| Electric Circuits |
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| Elephants |
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1.3 |
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| El niño de jengibre (The Gingerbread Boy) |
NEW
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| Emily's Bridge |
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| Exploring the Properties of Matter |
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