William Souder’s work has appeared in many publications, including the Washington Post, New York Times, and Harper’s. He is the author of three books. A Plague of Frogs (2000) followed the investigation into outbreaks of deformed frogs across North America. Under a Wild Sky (2004), which told the story of John James Audubon, was a finalist for the Pulitzer Prize. On a Farther Shore: The Life and Legacy of Rachel Carson, is being published, on the 50th anniversary of Carson’s Silent Spring. Souder lives in Grant, Minn.