First edition. 8vo. pp. xx, 230; text in Italian; folding frontis., two folding plates, one double-page plate of expedition team, three plates of maps inc. one folding, 64pp. of photo. illusts. at rear, illusts. to text; some age toning to margins as often, adhesion damage to frontis., and to several other plates, else good in the original cloth, in original d.-w. which is creased and frayed, with a few internal tape repairs. Signed to the half-title by summiters Achille Compagnoni and Lino Lacedelli, and by expedition members Pino Gallotti and Ugo Angelino.