All the Birds of Hell
Tanith Lee
All Acts of Pleasure
M. R. Sellars
Rowan Gant Investigations (7)
The Aliens' Midwife
David Hast
The Aliens Who Knew, I Mean, Everything
George Alec Effinger
Aliens from Space
Robert Silverberg
Aliens for Neighbours
Clifford D. Simak
Aliens Ate My Pickup
Mercedes Lackey
The Aliens Among Us
James White
Aliens
Alan Dean Foster
Alien (2)
The Alien Years
Voyagers II: The Alien Within
Ben Bova
Voyagers (2)
The Alien Way
Gordon R. Dickson
Bruce Coville's Alien Visitors
Bruce Coville
Alien Taste
Wen Spencer
Ukiah Oregon (1)
Alien Sex
Ellen Datlow
Alien Seed
E. C. Tubb
Space 1999 (7)
Alien Radio
Mike Resnick & Nicholas A. DiChario