San Francisco: Grabhorn Press, 1930. Folio. (17 x 12 1/2 inches). Preliminary pages followed by 14 pages of text. 12 original mounted photographs, each with a corresponding caption leaf. Publisher's half tan morocco over orange/brown cloth, spine with raised bands in six compartments, marbled endpapers. Housed in a modern black full morocco box. Number 41 from an edition of 108 copies signed by author and photographer, containing magnificent photographs by Ansel Adams.