Analog Science Fiction - Science Fact December 1991 (Vol.111, No.14
Cover by Nicholas Jainschigg (for "Glass Houses.")

Serial: "Glass Houses" (Part 1 of 2) by Laura J. Mixon

Novelettes: "Past, Present, and Future" by David J. Strumfels
"A Calendar of Chaos" by G. David Nordley ("O'Reilly/Chrys" series.)

Science Fact: "Whatever Happened to the Little Ice Age?" by John Gribbin.

Stories: "Floor in Landida" by Nina Kiriki Hoffman & Jerry Oltion
"Evelyn's Children" by Bill Johnson
"Driven By Moonlight" by Sarah Zettel.
Probability Zero: "A Logical Answer to 'Where Is Everybody?'" by Richard K Lyon.

Stanley Schmidt's editorial is "A Speedy Trial."