Ghosts of Gettysburg and Other Hauntings of the East
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The Science Behind Wonders of the Sun: Sun Dogs, Lunar Eclipses, and Green Flash
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Secrets of Machu Picchu: Lost City of the Incas
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Killer Jobs!: History's Most Dangerous Jobs
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Ghosts of Alcatraz and Other Hauntings of the West
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The Worst Wildfires of All Time
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Living Earth: Exploring Life on Earth with Science Projects
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The Science Behind Wonders of the Water: Exploding Lakes, Ice Circles, and Brinicles
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The Worst Volcanic Eruptions of All Time
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Ghostly Encounters
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The Worst Avalanches of All Time
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Threatening Skies!: History's Most Dangerous Weather
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The World's Craziest Records
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Bizarre Things We've Done to Our Bodies
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Fantasmas de Gettysburg Y Otros Lugares Embrujados del Este
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Fantasmas de Alcatraz Y Otros Lugares Embrujados del Oeste
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Archaeological Mysteries
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