North Star Editions
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Animal Engineers
Series of 8 titles
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Animals
Series of 10 titles
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Biggest Names in Sports
Series of 8 titles
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Biggest Names in Sports (Set 3)
Series of 6 titles
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Children in History
Series of 8 titles
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Detecting Disasters
Series of 8 titles
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Engineering Challenges
Series of 8 titles
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Expansion of our Nation
Series of 8 titles
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How It Works
Series of 8 titles