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Why Does Democracy Matter?
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Why Does Money Matter?
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Why Do We Need Air?
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3.1 |
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Why Do We Need Rocks and Minerals?
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3.5 |
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Why Do We Need Rules and Laws?
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Why Do We Need Soil?
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3.5 |
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Why Do We Need Water?
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2.8 |
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Why Should I Save for a Rainy Day?
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Wild and Pet Puppies
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2.9 |
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William Kamkwamba: Powering his Village
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Will It Float?
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1.2 |
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Wilma Rudolph: Track and Field Champion
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Winding Around: The Screw
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4.5 |
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Winning the Game (6 titles)
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Wisconsin
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Wolf Family Adventures
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4.1 |
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Wood
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Wool
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Woolly Mammoth
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Word Problems: Mass and Volume
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4.4 |
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Word Wizard (8 titles⁎)
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World of Wonder (4 titles)
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Worms
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3.6 |
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Wyoming
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Canada
USA
