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“All the Wild That Remains: Edward Abbey, Wallace Stegner and the American West” by David Gessner.

Some people have a vision of environmentalists that’s become a stereotype. They’re more at home in the wild among the flora and fauna and they wear checkered shirts and keep their hair long.

In his new book, “All the Wild That Remains: Edward Abbey, Wallace Stegner and the American West,” author David Gessner explores the impact the two writers had on the environmental movement in the United States.