Miriam Horn is the author of "Rancher, Farmer, Fisherman: Conservation Heroes of the American Heartland." She is the author of two previous books, including the New York Times best-selling "Earth: The Sequel." She works at the Environmental Defense Fund and divides her time between New York City and rural Colorado. Horn previously worked for the U.S. Forest Service and spent 15 years writing for numerous newspapers and magazines, including the New York Times, U.S. News and World Report, Smithsonian and Vanity Fair.