Worlds of If Science Fiction, February 1966 (Vol. 16, No, 2)

Vol. 16, No, 2, February 1966. Cover art by Pederson Illustrating "Prisoners of the Sky" by C. C. MacApp. ALSO: Build We Must by Dannie Plachta; The Kettle Black by Steve Buchanan; Nine Hundred Grandmothers by R. A. Lafferty; Not by Sea by Howard L. Morris; The Peak Lords by Miriam Allen deFord; The Moon is a Harsh Mistress (serial, part 3 of 5) by Robert A. Heinlein; The Warriors [Known Space] by Larry Niven. FEATURES: The Race for Space (editorial) by Frederik Pohl; Hue and Cry (letters). Interior art by Gray Morrow, Nodel, Jack Gaughan.