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The Outer Planets: Jupiter, Saturn, Uranus, and Neptune
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Poisoning Planet Earth: Pollution And Other Environmental Hazards (The Environment: Ours To Save)
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John F. Kennedy
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Pioneers of the Industrial Age: Breakthroughs in Technology
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Pioneers in Medicine: From the Classical World to Today
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Andrew Jackson
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A Closer Look at Biology, Microbiology, and the Cell
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Biographies of the Civil War and Reconstruction: Abraham Lincoln, Robert E. Lee, Ulysses S. Grant, and More
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Investigating Earths Polar Biomes
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George Washington
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Biographies of Colonial America
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Protecting The Environment (The Environment: Ours To Save)
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Ancient Egypt
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Pioneers in the World of Weather and Climatology
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