Mark Warren has been teaching survival skills and nature classes for forty-five years. In 1999 he won the World Longbow Championship. In 2000 he became the U.S. Whitewater Canoe Champion in slalom and wildwater combined. He is the author of the memoir Two Winters in a Tipi, published by Lyons Press, Wyatt Earp: An American Odyssey, and Indigo Heaven, a novel. He lives with his wife, Susan, in the Appalachian Mountains of Georgia at his school, Medicine Bow.