San Francisco: Sierra Club, (1986). Reprint. First published in 1965. Edited by David Brower, with a foreword by Loren Eiseley. Folio measuring approximately 10.75 x 14 inches. Profusely illustrated with full page black-and-white and color photographs by Adams, Weston, et al. Fine in near fine dust jacket with small skinned spot at bottom rear panel backed with clear tape.