Hogfather
Terry Pratchett
Death (4)
Without Law 18
Eric Vall
Without Law (18)
Blood & Ash
Deborah Wilde
The Jezebel Files (1)
Jupiter War: The Owner series: Book Three
Neal Asher
Owner Trilogy (3)
OCD Love Story
Corey Ann Haydu
Octagon Magic
Andre Norton
Oddkins
Dean Koontz
Of Darkness and Dawn
Will Wight
The Elder Empire: Shadow (2)
Of Dreams and Rust
Sarah Fine
Of Glass and Glamour
Chanda Hahn
Daughters of Eville (2)
Of Gods and Elves
Brian D. Anderson
Of Honey and Wildfires
Sarah Chorn
Songs of Sefate (1)
Of Sea and Song
Daughters of Eville (3)
Of Shadows and Obsession
Of Metal and Wishes (0.50)
Of Swine and Roses
Ilona Andrews
World of Kate Daniels (1)
Of Thorn and Thread
Daughters of Eville (4)
The Ogre Downstairs
Diana Wynne Jones
The Omen of Stones
Casey L. Bond
On the Shoulders of Titans
Andrew Rowe
Arcane Ascension (2)
Once & Future
A.R. Capetta
Once & Future (1)
The Once and Future King
T.H. White
Once Dead, Twice Shy
Kim Harrison
Once in a Full Moon
Ellen Schreiber
Full Moon (1)
One Beastly Beast
Garth Nix
One Good Dragon Deserves Another
Rachel Aaron
Heartstrikers (2)
The One Hundredth Thing About Caroline
Lois Lowry
Caroline Tate (1)
Only the Worthy
Morgan Rice
The Way of Steel (1)
The Only Witness
Jude Watson
Star Wars: Jedi Apprentice (17)
Only You Can Save Mankind
Johnny Maxwell (1)
The Opal Deception
Eoin Colfer
Artemis Fowl (4)
Open Minds
Susan Kaye Quinn
Mindjack (1)
The Orb of Kandra
Oliver Blue and the School for Seers (2)
Origins
James Frey
Endgame: The Training Diaries (1)
The Orphan Army
Jonathan Maberry
The Nightsiders (1)
Orphan Star
Alan Dean Foster
Pip & Flinx (3)
Orphans of the Sky
Robert A. Heinlein
Future History or "Heinlein Timeline" (23)
The Other Wind
Ursula K. Le Guin
Earthsea Cycle (6)
Other Worlds (Guys Read) by Jon Scieszka
Jon Scieszka
Out of Time
Chris Archer
Mindwarp (9)
Outposts
Vickie Knestaut
Vickie Knestaut & Danny Knestaut
The Dragoneer (4)
Outrage (The Singular Menace, 2)
John Sandford
The Singular Menace (2)
The Outsiders
S.E. Hinton
Over Sea, Under Stone
Susan Cooper
The Dark Is Rising (1)
Over the Moon
Jodi Picoult
Owlflight
Mercedes Lackey
Valdemar: Owl Mage Trilogy (1)
Owlknight (Darian's Tale) by Mercedes Lackey
Valdemar: Owl Mage Trilogy (3)
Owlsight
Valdemar: Owl Mage Trilogy (2)
Oz
L. Frank Baum
Pacific Rim Uprising: Ascension
Greg Keyes
Pacific Rim (1)
The Pact
Paper and Fire
Rachel Caine
The Great Library (2)
The Paper Magician
Charlie N. Holmberg
The Paper Magician (1)
Paragon: Legacy Code #2
Autumn Kalquist
Paris
Shadowseer (2)