The Shadows
L.A. Banks
Vampire Huntress Legend (11)
Spartan Planet
A. Bertram Chandler
John Grimes: Survey Service (5)
Italian Shoes
Henning Mankell
Fredrik Welin (1)
The Warrior Prophet
R. Scott Bakker
The Prince of Nothing (2)
Our Lady of the Sauropods
Robert Silverberg
Our Lady of Darkness
Fritz Leiber
Our Friends From Frolix 8
Philip K. Dick
The Otherworld
Mercedes Lackey & Holly Lisle & Mark Shepherd
Mercedes Lackey
SERRAted Edge (2)
The Others
Jeremy Robinson
Infinite (2)
Otherness
David Brin
Otherlife Dreams
William D. Arand
Selfless Hero (1)
Other Worlds (Guys Read) by Jon Scieszka
Jon Scieszka
The Other Wind
Ursula K. Le Guin
Earthsea Cycle (6)
The Other Place
Nathan Hystad
The Other Me
Sarah Zachrich Jeng
The Other Emily
Dean Koontz
Other
Gordon R. Dickson
Childe Cycle (10)
Oryx and Crake
Margaret Atwood
MaddAddam (1)
Orsinian Tales: A Library of America eBook Classic
Orsinia (1)
Orphans of the Sky
Robert A. Heinlein
Future History or "Heinlein Timeline" (23)
Orphan Wars
J.N. Chaney
Orphan Wars (1)
Orphan Star
Alan Dean Foster
Pip & Flinx (3)
The Orphan Army
Jonathan Maberry
The Nightsiders (1)
Orion: A Novel
Ben Bova
Orion (1)
Orion Shall Rise
Poul Anderson
Maurai (1)
Orion Rises
G.J. Ogden
Star Scavengers (2)
Orion Protected
Orion Colony (4)
Orion In The Dying Time
Orion (3)
Orion Fleet
B.V. Larson
Orion Awakened
The Renegade Star Universe (3)
Orion and the Conqueror
Orion (4)
Orion and King Arthur
Orion (6)
Orion Among the Stars
Orion (5)
Origins
Ilona Andrews
Alphas (0.50)
James Frey
Endgame: The Training Diaries (1)
Origin in Death
J.D. Robb
In Death (21)
Orders of Battle
Marko Kloos
Frontlines (7)
Ordermaster
L.E. Modesitt Jr.
The Saga of Recluce (13)
Ordeal in Otherwhere
Andre Norton
Forerunner (2)
Orbus
Neal Asher
Spatterjay (3)
Orbs
Nicholas Sansbury Smith
Orbs (1)