Dragonquest
Anne McCaffrey
Dragonriders of Pern (2)
Downbelow Station
C. J. Cherryh
Company Wars (3)
Dorsai!
Gordon R. Dickson
Childe Cycle (1)
Doorways in the Sand
Roger Zelazny
Doomsday Book
Connie Willis
Time Travel (1)
Distraction
Bruce Sterling
The Dispossessed: An Ambiguous Utopia
Ursula K. Le Guin
Hainish (1)
The Diamond Age
Neal Stephenson
A Deepness in the Sky
Vernor Vinge
Zones of Thought (2)
Deathworld
Harry Harrison
Deathworld (1)
Day of the Minotaur
Thomas Burnett Swann
The Minotaur Trilogy (3)
Darwinia
Robert Charles Wilson
Darwin's Radio
Greg Bear
Darwin (1)
Dark Universe
Daniel F. Galouye
Cyteen
Unionside (1)
The Curse of Chalion
Lois McMaster Bujold
World of the Five Gods (2)
Cuckoo's Egg
Age Of Exploration (3)