David Harris is a professor of engineering at Harvey Mudd College. He is the author or coauthor of seven hiking guidebooks and five engineering textbooks. David grew up rambling about the Desolation Wilderness as a toddler in his father's pack and later roamed the High Sierra as a Boy Scout. As a Sierra Club trip leader, he organized mountaineering trips throughout the Sierra Nevada. Since 1999, he has been exploring the mountains and deserts of Southern California. David is the father of three sons, with whom he loves sharing the outdoors.