Nightside on Callisto
Linda Nagata
The Water Bear: An Epic Science Fiction Adventure
Groucho Jones
The Thousand Worlds Cycle (1)
The Color of Dragons
R.A. Salvatore & Erika Lewis
Forward the Mage
Eric Flint & Richard Roach
Joe's World (2)
Down to Earth
Harry Turtledove
Colonization (2)
The Dosadi Experiment
Frank Herbert
ConSentiency Universe (2)
Doorways in the Sand
Roger Zelazny
The Doors Of His Face, The Lamps Of His Mouth
Doctor Who: The Wheel of Ice
Stephen Baxter
Divine Right
C.J. Cherryh & Leslie Fish & Roberta Rogow & Bradley H. Sinor & Janet Morris & Lynn Abbey & Mercedes Lackey & Nancy Asire & Chris Morris
Merovingen Nights (5)
Divergence
C.J. Cherryh
Foreigner (21)
The Disunited States of America
Cross-Time Traffic (4)
The Dispatcher: Travel by Bullet
John Scalzi
The Dispatcher (3)
The Dispatcher: Murder by Other Means
The Dispatcher (2)
The Dispatcher
The Dispatcher (1)
Direct Descent
Diplomatic Immunity
Lois McMaster Bujold
Vorkosigan Saga (20)
The Difference Engine
William Gibson & Bruce Sterling
Dies the Fire
S. M. Stirling
Emberverse (1)
The Diamond Age
Neal Stephenson
Devolution: A Firsthand Account of the Rainier Sasquatch Massacre
Max Brooks
Destroyer
Foreigner (7)
Destination: Void
The Pandora Sequence (0.0)
Deliverer
Foreigner (9)
Deliberations
Foreigner (0.50)
Delia of Vallia
Alan Burt Akers
Dray Prescot (28)
Defiant
Brandon Sanderson
Skyward (4)
Defending Elysium: A Cytoverse Novella
Skyward (0.50)
Defender
Foreigner (5)
Deepsix
Jack McDevitt
Academy (2)
The Deep Beyond
Deceiver
Foreigner (11)
Deathworld
Harry Harrison
Deathworld (1)
Deathstalker: Being the First Part of the Life and Times of ...
Simon R. Green
The Deathstalker (1)
Deathstalker War
The Deathstalker (3)
Deathstalker Return
The Deathstalker (7)
Deathstalker Rebellion
The Deathstalker (2)
Deathstalker Legacy
The Deathstalker (6)
Deathstalker Honor
The Deathstalker (4)
Deathstalker Destiny
The Deathstalker (5)
Deathstalker Coda
The Deathstalker (8)
Dead of Veridon
Tim Akers
Burn Cycle (2)
Dead Kelly (The Afterblight Chronicles)
C. B. Harvey
A Dead Djinn in Cairo: A Tor.Com Original
P. Djèlí Clark
Dead Djinn Universe (0.50)
Dayworld
Philip José Farmer
Dayworld (1)
The Day of Their Return: A Flandry Book
Poul Anderson
Flandry (4)
Dawnshard: From the Stormlight Archive
The Stormlight Archive (3.50)
Darwin's Radio
Greg Bear
Darwin's Radio (1)
Darwin's Children
Darwin's Radio (2)
The Darwin Elevator
Jason M. Hough
Dire Earth Cycle 01 (1)
The Darkness That Comes Before
R. Scott Bakker
The Prince of Nothing (1)
A Darkling Sea
James Cambias
A Dark Traveling
Dark Side
Jonathan Green
Pax Britannia (8)
Dark is the Sun
The Dark Forest
Cixin Liu
Remembrance of Earth's Past (2)
The Dark Beyond the Stars : A Novel
Frank M. Robinson
Dare
The Dancer from Atlantis
Dagon
H. P. Lovecraft
Cyteen
The Cyborg and the Sorcerers
Lawrence Watt-Evans
War Surplus (1)
Cyber Rogues
James P. Hogan
Curtsies & Conspiracies
Gail Carriger
Finishing School Series (2)