The Magazine of Fantasy & Science Fiction: October 1981 (Volume 61, Number 4)
Cover by David Hardy: The Volcanos of Io.

Novelets: "Kaeti's Nights" by Keith Roberts ("Kaeti" series)
"My Object All Sublime" by Reginald Bretnor
"Incident at Huacaloc" by Richard Cowper.

Stories: "The Pusher" by John Varley (Hugo winner, Nebula nominee)
"The Call of the Wild: The Dog-Flea Version" by Ian Watson
"The Alien Mind" by Philip K. Dick
"The Ape" by Avram Davidson
"The Needle Men" by George R. R. Martin
"The Tale of the Student and His Son" by Gene Wolfe.

Science: "Let Me Count the Days" by Isaac Asimov.