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Learn about our galaxy, the Milky Way, and the methods that scientists use to study it. This Span...

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Using real-world examples to teach math concepts, these Mathematics Readers series focus on decim...

Learn about the efforts to restore Muddy Creek in Maryland with this Spanish book that features a...

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Discover how astronauts function in a challenging environment that includes weightlessness, cramp...

Learn about the challenges scientists face when creating indoor ecosystems for butterflies! With ...