Margaret Erhart is the author of five novels. Her fifth, The Butterflies of Grand Canyon, is due out at the end of December, 2009. Her fourth, Crossing Bully Creek, won the Milkweed National Fiction Prize. Her essays have appeared in The New York Times, the Christian Science Monitor and in several anthologies, and her commentaries have aired on National Public Radio. She lives in Flagstaff, Arizona and teaches creative writing on the Navajo and Hopi reservations. She is a river guide and hiking guide in Grand Canyon.