Yosemite Big Walls is the most current, detailed, and accurate guide to Yosemite's most classic walls. It includes unprecedented route detail such as climbing strategy, retreat information, descent topos, pitch lengths, and gear recommendations for each pitch. In addition, it includes historical information garnered from interviews with first ascensionists that bring these spectacular big wall climbs to life. Yosemite Big Walls covers the 41 best big wall routes on El Capitan, Half Dome, and Washington Column all of which were personally climbed and documented by author Chris McNamara.