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The Baghdad Mission (Adventures in Time)
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The Harmonious World of Johann Kepler
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How Far is a Star?
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Can You Find a Planet? (A Question of Science)
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Death and Blintzes: A Belle Appleman Mystery
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Death and Strudel
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Wizard of the Dome: R. Buckminster Fuller, Designer for the Future
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Dr. Paracelsus
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Time
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Concepts in physical science
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