Shadow Twin
George R. R. Martin & Gardner R. Dozois & Daniel Abraham
The Cat Who Knew a Cardinal
Lilian Jackson Braun
The Cat Who (13)
Black Trillium
Andre Norton & Marion Zimmer Bradley & Julian May
Trillium (1)
Thuvia, Maid of Mars
Edgar Rice Burroughs
Martian Tales (4)
A Nude Attitude
Honey Phillips
Exposed to the Elements (3)
The Number File
Franklin W. Dixon
Hardy Boys Casefiles (17)
Number9dream
David Mitchell
The Nursing Home Murder
Ngaio Marsh
Roderick Alleyn (3)
O Jerusalem
Laurie R. King
Mary Russell (5)
The Oath and the Measure
Michael Williams
Meetings (4)
Oath Breaker
Michelle Paver
Chronicles of Ancient Darkness (5)
Oath of Gold
Elizabeth Moon
The Deed of Paksenarrion (3)
Oath of Honor
Radclyffe
First Responders (3)
Oath of Nerull
T. H. Lain
Dungeons and Dragons (3)
Oath of Vigilance
James Wyatt
Dungeons and Dragons: The Abyssal Plague Strikes (2)
Oathblood
Mercedes Lackey
Vows and Honor (3)
Oathbound
Vows and Honor (1)
Oathbreaker
Vows and Honor (2)
Oathbringer
Brandon Sanderson
The Stormlight Archive (3)
Oathkeeper
Erin Hunter
Bravelands (6)
Oaths
Glenn Hauman
Star Trek: Corps of Engineers (16)
The Obelisk Gate
N. K. Jemisin
The Broken Earth (2)
Objective: Bajor
John Peel
Star Trek: DS9 (18)
An Oblique Approach
David Drake & Eric Flint
Belisarius (1)
Obliteration
Robert Asprin & Eric Del Carlo
Wartorn (2)
Oblivion
Michael Jan Friedman
Star Trek: Stargazer (5)
Obsidian Alliances
Keith R. A. DeCandido & Peter David & Sarah Shaw
Star Trek: Mirror Universe (2)
Obsidian Butterfly
Laurell K. Hamilton
Anita Blake (9)
Obsidian Ridge
Jess Lebow
The Citadels (2)
Oceans of Fire
Christine Feehan
Drake Sisters (4)
Octagon Magic
Andre Norton
Magic Books (2)
Odd and the Frost Giants
Neil Gaiman
Odd Girl Out
Timothy Zahn
Quadrail (3)
Odd Hours
Dean Koontz
Odd Thomas Novels (4)
Odd Thomas
Odd Thomas Novels (1)
Oddest Jobs
Christopher Golden
Hellboy (1)
The Oddyssey of Gilthanas
Douglas Niles
Ode To A Banker
Lindsey Davis
Marcus Didius Falco (12)
Odyssey
Michael P. Kube-McDowell
Isaac Asimov's Robot City (1)
Of Mice and Men
John Steinbeck
Of Wars, and Memories, and Starlight
Aliette de Bodard
Off Center
Damon Knight
The Office of Shadow
Matthew Sturges
Midwinter (2)
Offspring
Steven Harper
The Silent Empire (4)
Scott Appleton
The Sword of the Dragon (2)
The Ogre's Pact
Troy Denning
The Twilight Giants (1)
Ogre, Ogre
Piers Anthony
Xanth (5)
Ojo in Oz
Ruth Plumly Thompson
Oz (27)
Old Earth
Nick Kyme
The Horus Heresy (47)
The Old Man and the Sea
Ernest Hemingway
Old Man's War
John Scalzi
Old Man's War (1)
The Old Ways
David Dalglish
The Paladins (3)
Olivia and the Orc
Alien Abduction (15)
Omega Games
S. L. Viehl
Stardoc (8)
The Omen Machine
Terry Goodkind
Sword of Truth (12)
On a Red Station, Drifting
On Blue's Waters
Gene Wolfe
The Book of the Short Sun (1)
On Earth as It Is on Television
Emily Jane
On Her Majesty's Secret Service
Ian Fleming
James Bond (11)
On Stranger Tides
Tim Powers
On the Beach
Nevil Shute
On the Prowl
Karen Macinerney
Tales of an Urban Werewolf (2)
On Wings of Magic
Andre Norton & Patricia Mathews & Sasha Miller
Witch World: The Turning (3)
Once a Rancher
Linda Lael Miller
Carsons of Mustang Creek (1)