Philadelphia: J.B. Lippincott Company, 1964.
First Edition. Hardcover. Very Good in a very good dust jacket. 429 pp, extensively illustrated with b/w photos. Light sunning to edges of boards, binding tight, text clean. Dust jacket has some very minor staining to the spine and a closed tear to the rear panel. This expedition achieved the first ascent of the West Ridge and the first descent of the South Ridge. Neate U01.