THE MASTER MIND OF MARS. Chicago: A. C. McClurg & Co., 1928. Octavo, pp. [1-8]  2-312, five inserted plates with illustrations by J. Allen St. John, original orange cloth, front and spine panels stamped in black. First edition. Sixth book of the Mars series. Bleiler, Science-Fiction: The Early Years 309. In 333. Bleiler (1978), p. 35. Reginald 02295. Heins MMM-1. Cloth rubbed at spine ends and corner tips, spine panel a bit age-darkened and dusty, Top edge of pages dusty, a very good or somewhat better copy. (#156089).