Marc Twight is one of America's leading alpinists. His routes in Asia, North America, and the Alps have stretched the limits of the possible. Many remain unrepeated. His gripping accounts and vertiginous images of climbing at the edge have been published in leading magazines around the world. He lives in Boulder, Colorado. James Martin is a free-lance writer and photographer whose work has appeared in Smithsonian, Sports Illustrated, Climbing, Outside, and a host of other publications. The author of several books, Martin is also an experienced climber who has established first ascents in the U.S. and Canada. He lives in Seattle, Washington