THE MENTAL MARVEL. Chicago: A. C. McClurg & Co., 1930. Octavo, pp. [1-10] 1-323 [324-326: blank] [note: last leaf is a blank], original decorated green cloth, front panel stamped in black and ruled in blind, spine panel stamped in black. First edition. Humorous fantasy (coded "biological science fiction" in 1978 Bleiler checklist) about a mental superman who claims he can outwit any opponent in the boxing ring, and attract any woman outside of it. "One of the better pulp writers." - Bleiler, Science-Fiction: The Early Years, p. 465. MacIsaac was a Boston newspaperman who went to Harvard, then went on to a career in writing fiction and screenplays. Clareson, Science Fiction in America, 1870s-1930s 527. Clute and Nicholls (eds), The Encyclopedia of Science Fiction (1993), p. 757. Bleiler (1978), p. 130. Not in Reginald (1979; 1992). Hubin (1994), p. 532. Top edge of text block foxed, else a fine copy in a very good four-color pictorial dust jacket with light wear at edges, rubbing with slight loss along front spine fold, and dust soiling to rear panel. (#130374).
No statement of printing. McClurg acorn monogram on copyright page.