Mythical River

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In a lyrical mix of natural science, history, and memoir, Melissa L. Sevigny ponders what it means to make a home in the American Southwest at a time when its m

Under Desert Skies

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"The book tells the story of how an upstart planetary laboratory in Tucson, the Lunar and Planetary Laboratory (LPL), would help create the field of planetary s

Grand Canyon Women

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Grand Canyon Women tells the humorous and heartbreaking stories of twenty-six remarkable women--Native Americans, river runners, scientists, wranglers, architec

The Saguaro Cactus

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The saguaro, with its great size and characteristic shape—its arms stretching heavenward, its silhouette often resembling a human—has become the emblem of t

Tales from an Uncertain World

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So far, humanity hasn’t done very well in addressing the ongoing climate catastrophe. Veteran science educator L. S. Gardiner believes we can learn to do bett