8vo; 261 pp.; illustrated bronze cloth, without dust jacket. Caldwell, ID: Caxton, 1939. First Edition. Autobiography of frontier physician Dr. Ira Jefferson Bush, who was a close friend of Pancho Villa and served as chief surgeon general of the insurrectionist army during the Mexican Revolution. Bookplate and inked date on half-title page; cloth slightly rubbed at both ends of spine; very good condition.