THE CHECKLIST OF FANTASTIC LITERATURE IN PAPERBOUND BOOKS. Denver, New York: Science-Fiction & Fantasy Publications, 1965. Large octavo, printed wrappers, stapled. First edition. Checklist of "paper-covered books with a sufficient tinge of the supernatural, or, the super-scientific as to warrant placement in the science-fantasy field" (from the information page). Includes U.S. and UK editions, from the early 1940s to 1964. A pioneering effort for paperback material. Intended as a companion volume to Day's THE SUPPLEMENTAL CHECKLIST OF FANTASTIC LITERATURE (1963) which listed hardbound fiction. A useful supplement to Bleiler's 1948 and 1978 checklists. A fine copy. (#126246).