Isaac Asimov's Science Fiction Magazine: April 1980.
(Volume 4, No. 4. Whole #26) Cover by Alex Schomburg.

Featured stories:
"The Storm King" by Joan D. Vinge (novelette)
"Travels" by Carter Scholz
"The Eumenides in Koine" by Sheridan A. Simon
"Grimes and the Great Race" by A. Bertram Chandler (a"John Grimes/Rim"novelette)
"Southwind My Mother" by Jo Clayton (novelette, incorporated into A Bait of Dreams.)

Article: "On the Foundations of Science Fiction" by James Gunn.