[QUADRATIC: FOUR SCIENCE FICTION NOVELS.]. Los Angeles: Fantasy Publishing Co., Inc., . Octavo, two volumes in one, original red cloth, spine panel stamped in black. First combined edition. Combines sheets of Stapledon's WORLDS OF WONDER (1949) and Leinster's MURDER MADNESS (1949). 300 copies so bound. Satty and Smith AA220.127.116.11 and AA18.104.22.168. A fine copy in fine dust jacket. (#160617).
No statement of printing.