| Returning the Mermaid's Crown |
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| Riding to Washington |
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3.8 |
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| Rippin' and Ridin': Extreme Snowboarding |
New!
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| Rise of the Giant Mammals |
New!
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| R is for Race: A Stock Car Alphabet |
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6.3 |
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| R is for Rhode Island Red: A Rhode Island Alphabet |
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7.2 |
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| R is for Rhyme: A Poetry Alphabet |
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5.8 |
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| Rittenhouse SoundWorks |
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| River |
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| Road Roller |
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1.6 |
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| Roanoke Colony |
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3.2 |
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| Robert Fulton |
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1.6 |
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| Robin |
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| Robots |
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6.3 |
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| Rock and Vole |
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| Rogue Planets |
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3.3 |
|
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| Rollin' on Down the Line: Lady Bird Johnson's 1964 Whistle-Stop Tour for Civil Rights |
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| Roll the Dice |
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| Roof Octopus |
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| Rosalyn Sussman Yalow |
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1.1 |
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