New York: Cosmopolitan Book Corporation, 1930. First edition. 12mo. (10), 1-(122) pp. Signed by Ford and Edison on front free endpaper. Illustrated with frontispiece and three plates. Publisher's quarter beige cloth over black paper-covered boards, stamped in black, slightly cocked, spine ends frayed, corners worn and bumped, front boards slightly soiled; lacking dust-jacket; prelims foxed, plates foxed, text toned.