Worlds of If Science Fiction - October 1964 (Vol. 14, #5)

Vol. 14, No. 5, October 1964. Cover by Wenzel illustrating for "Monster Tracks" by Robert E. Margroff. ALSO: "The Castle of Light" (novelette; Retief series) by Laumer; "Gremmie's Reef" (novelette) by Hayden Howard; "Mad Man" by R. A. Lafferty; "Rescue Mission" by Kit Reed; "Farnham's Freehold" (serial, pt. 3 of 3) by Robert A. Heinlein. Illustrated by Gaughan and Finlay.