Social Studies
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21st Century Science
Series of 6 titles
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Agents of Government
Series of 6 titles
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Amazing Mysteries
Series of 4 titles
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Armed Forces
Series of 11 titles
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At Home With…
Series of 6 titles
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Atlas of World History
Series of 5 titles
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Been There!
Series of 6 titles
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Big Book of…
Series of 2 titles
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Brands We Know
Series of 30 titles