Analog Science Fiction - Science Fact March 1992 (Vol.112, No.4)
Cover by David Hardy (for "Landfall")

Serial: "The Modular Man" (Part 2 of 4) by Roger MacBride Allen

Novella: "Desperado" by W. R. Thompson ("Kya" series)

Novelette: "Landfall" by Alexis Glynn Latner.

Science Fact: "Chicxulub: The Smoking K-T Gun?" by Stephen L. Gillett, Ph.D.

Story: "Love, Dad" by Jeffrey D. Kooistra.

Guest editorial by Reginald Bretnor: "Words of Promise."