8vo. With folding map & 21 photographic illustrations on 16 plates. Original publisher's black cloth, in the rare dust jacket (spine panel slightly browned, a few separations or tiny chips to corners). FIRST EDITION. "The author's second attempt to march overland to India from Likiang, on the borders of Yunnan. He explored Yunnan and Szechwan in 1921, and Yunnan, Szechwan, Tibet and North Burma in 1922. This is a feat which had been performed only three times; in 1895 by Prince Henry of Orleans, with two companions; in 1906 by E.C. Young; and in 1911 by F.M. Bailey" (Yakushi). Yakushi (1994) K192.