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Return to the Moon
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Rhode Island
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Ricitos de oro y los tres osos (Goldilocks and the Three Bears)
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NEW
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Rick Hansen: Improving Life for People with Disabilities
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Ride it BMX
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4.3 |
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Rihanna
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5.2 |
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Rivers and Lakes
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5.7 |
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Rivers and Lakes Inside Out
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6.3 |
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Road Makers and Breakers
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4.6 |
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Roads
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Roald Amundsen: The Conquest of the South Pole
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7.3 |
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Robby Novak: Kid President and Promoter of Positivity
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5.3 |
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Robert Pattinson
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6.2 |
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Robot Brains
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7.3 |
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Robot Voyagers
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6.8 |
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Robot Warriors
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Robot Workers
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Robozones (4 titles)
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Rocks and Minerals
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5.8 |
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Rocks and Minerals to Aluminum
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4.6 |
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Rocks, Minerals, and Resources (10 titles)
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Rocky Mountain National Park
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NEW
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Rocky Mountains Research Journal
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5.5 |
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Rodeo
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5.3 |
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Canada
USA
