Green Frontiers - Selma Aarvik

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Ptolemy, Copernicus, and the Ancient Astronomers - Robert S. Ball & Edward Singleton Holden

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Spiders and their Ways - Charles E. Blanchard & Margaret W. Leighton

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History of Galileo - Robert S. Ball & Arthur Berry

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Easy Chemistry - Louis Casimir

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The Marie Curie Collection - Marie Curie & Julie Zhu

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