New York and London: Harper and Brothers, 1901.
First Edition. Hardcover. Very good. 402 pp, with appendix, bibliography, index, and more than 50 illustrations from photographs, in pictorial cloth binding. Spine slanted, corners lightly bumped, binding sound, text clean. Neate C102: "The first major climbing expedition to the area. Conway's party made the first ascent of the south (highest) peak of Illimani (6402m) at the southern end of the range, and just failed to reach the summit of Ancohuma (6430m) at the northern end. They also prepared the first topographic survey of the range."