German troops march towards Paris' Arc de Triomphe in 1943. Keystone/Getty Images hide caption

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Ernest Hemingway and his third wife, Martha Gellhorn, at the Sun Valley Lodge in Idaho. AP hide caption

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Courtesy of Knopf

The works of Henry David Thoreau have influenced generations of readers, but Thoreau himself wasn't always celebrated. His schoolmates and neighbors found him standoffish and regarded his fascination with plants and Indian relics as downright odd. AP hide caption

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Detail from the cover of The Empire of Necessity. Courtesy of Metropolitan Books hide caption

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