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ANALOG 1989,April

Analog Science Fiction - Science Fact April 1989 (Vol.109, No.4)
Illustrations by Todd Cameron Hamilton, Bob Walters, Vincent Di Fate, Doug Beekman, Janet Aulisio, William R. Warren, Jr. Cover by Todd Cameron Hamilton (for "The Gentle Seduction.")

Novelettes: "The Gentle Seduction" by Marc Stiegler
"Ryerson's Fate" by Doug Larsen
"Viewpoint" by F. Alexander Brejcha

Science Fact: "Zero Gravity and the Immune System: A Challenge to Man's Survival in Space" by Dr. J. Kevin Steele

Stories "Nasty, Brutish, and ..." by Harry Turtledove
"Hackers" by Rick Cook
"Greenhouse Diary" by James Brunet
"Mary Alice Blue Eyes" by Rick Wilbur
"Snake Oil" by Joseph H. Delaney.

Stanley Schmidt's editorial is "Optimists, Pessimists, and Surprises."