Octavo (25 cm), pp. 210. Signed by both authors on half title page. Navy boards, gilt titling, pictorial jacket. Richly illustrated with color, black and white photos. Includes notes on terminology, load carrying and teams; list of sponsors and suppliers; sample menus. Boards have light edge wear, jacket with moderate wear including multiple small chips. The authors were part of the 1973 expedition, in which several team members summitted. They also explore the attempt that preceded them, the 1969 expedition in which seven climbers died. Dust jacket present. First Edition.