Social Studies
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Compact Research: Diseases and Disorders
Series of 39 titles
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Compact Research: Drugs
Series of 15 titles
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Compact Research: Energy and the Environment
Series of 17 titles
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Compact Research: Internet
Series of 3 titles
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Compact Research: Teenage Problems
Series of 9 titles
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Compact Research: Teen Well-Being
Series of 5 titles
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Cooking School
Series of 6 titles
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Countries in Our World
Series of 0 titles
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Days of Change
Series of 7 titles