THE PLANET OF PERIL. Chicago: A.C. McClurg & Co., 1929. Octavo, pp. [1-10]  2-358, original decorated green cloth, front panel stamped in black and blind, spine panel stamped in black. First edition. Signed by Kline on the front free endpaper. Kline's first science-fantasy novel. First published as a six-part serial in ARGOSY, 20 July -- 24 August 1929. The first of the three Grandon of Venus novels, planetary romances in the tradition of the Mars novels of Edgar Rice Burroughs. Anatomy of Wonder (1976) 3-31. Bleiler, Science-Fiction: The Early Years 1239. Clareson, Science Fiction in America, 1870s-1930s 471. Spine sunned, slight spine lean, cloth lightly worn at spine ends and corner tips, a very good copy in later Grosset & Dunlap dust jacket. (#161256).
First edition so stated on copyright page.