Birdwatcher
Garth Upshaw
The Widows of Eastwick
John Updike
Mami Wata
Simon Kurt Unsworth
Drooling Wizards
Laura J. Underwood
Brunhilde's Bra
The Bizarro Starter Kit (Orange)
uncredited
Bizarro Starter Kit (1)
Necronomicon: The Wanderings of Alhazred
Donald Tyson
Cthulhu Mythos (1)
The Mysterious Stranger
Mark Twain
In the Hole
Lisa Tuttle & Steven Utley
Haunts
Lisa Tuttle
Ghosts & Other Lovers
The Silver Bough
A Cold Dish
Hold the Dark
Frank Tuttle
Markhat (4)
Bottle Babies
Mary A. Turzillo
Zora and the Land Ethic Nomads
When Gretchen Was Human
Thumbkin, Caesar, Princess, and Troll
Pride
Reincarnations
Harry Turtledove