Isaac Asimov's Science Fiction Magazine November 1991 (Volume 15, Nos. 12 & 13 – Whole #177-178)
"Double" issue - 320 pages
Cover by Wayne Barlow (for "Forward the Foundation.")

Novellas: "Foward the Foundation" by Isaac Asimov
"The Fourth Intercometary" by Phillip C. Jennings Novelettes: "Erogenoscape" by Walter Jon Williams
"Torso" by Leonard Carpenter
"An Outpost of the Empire" by Robert Silverberg ("Roma" series)
"The Adoption" by Alexander Jablokov

Stories: "The Bull Moose at Bay" by Mike Resnick
"Books" by Peni R. Griffin
"Time's Arrow" by Jack McDevitt
"Vinland the Dream" by Kim Stanley Robinson. [Nebula nominee - 1993]
Poetry by Tom Disch: "From: A Child's Garden of Grammar."

Isaac Asimov's editorial is "The Dismal Science."