Books by Michael Collier

Michael Collier is a freelance writer and photographer based in Flagstaff, Arizona, where he is also a family-practice physician. He has contributed photographs and essays to numerous publications including National Geographic Traveler, Sunset, and Pacific Discovery. Among his previous books are Water, Earth, and Sky: The Colorado River Basin (1999), Arizona: A View from Above (1990), and The Geology of Death Valley (1990).