| R is for Rhyme: A Poetry Alphabet |
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5.8 |
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| Rittenhouse SoundWorks |
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| Rivers |
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5.0 |
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| Road to Recovery (16 titles) |
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| Roanoke Colony |
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3.2 |
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| Robert L. Johnson |
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7.8 |
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| Roberto Clemente |
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6.6 |
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| Robotics Engineer |
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6.5 |
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| Robots |
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6.3 |
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| Robot Scientist |
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5.8 |
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| Robot Scientist |
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5.7 |
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| Rock Climbing |
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5.8 |
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| Rocket League: Beginner's Guide |
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| Rocks |
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| Rocks and Minerals |
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4.8 |
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| Rogue Planets |
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3.3 |
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| Roller Coasters |
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2.9 |
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| Rollin' on Down the Line: Lady Bird Johnson's 1964 Whistle-Stop Tour for Civil Rights |
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| Rosa Parks: The Making of a Myth |
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| Rose and Her Goat |
New!
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