Isaac Asimov's Science Fiction Magazine November 1990 (Volume 14, Nos. 12 & 13 – Whole #162-163)
"Double" issue - 320 pages
Cover by Bob Walters (for "Trembling Earth.")

Novellas: "Trembling Earth" by Allen Steele
"A Short, Sharp, Shock" by Kim Stanley Robinson [Hugo nominee; also published as a book by Zeising] Novelettes: "Getting the Bugs Out" by Janet Kagan
"Liz and Diego" by Richard Paul Russo
"The Place of No Shadows" by Alexander Jablokov
"Reunion" by Melanie Tem
"Eternity, Baby" by Andrew Weiner.

Stories: "The Time Traveler" by Isaac Asimov
"Box of Light" by John Griesemer
"The Utility Man" by Robert Reed [Hugo nominee]
"The Two Janets" by Terry Bisson.
Poetry by Alex M. Jeffers, David Lunde, Vivian Vande Velde, Ace G. Pilkington, Scott E. Green.

Isaac Asimov's editorial is "Anniversary."