The Desert Spear
Peter V. Brett
The Demon Cycle (2)
One-Armed Beasthunter 2
E.M. Hardy
Aberrant Farmer (2)
Undeading Bells
Drew Hayes
Fred, the Vampire Accountant (6)
Interesting Times
Terry Pratchett
Discworld (17)
Of Myths and Legends
Michael Chatfield
Emerilia (9)
Off to Be the wizard
Scott Meyer
Magic 2.0 (1)
On a Throne of Lies
Eric Ugland
The Bad Guys (10)
One More Last Time
The Good Guys (1)
One of Our Thursdays Is Missing
Jasper Fforde
Thursday Next (6)
One-Armed Beasthunter
Only Superhuman
Christopher L. Bennett
Only You Can Save Mankind
Johnny Maxwell (1)
The Opal Deception
Eoin Colfer
Artemis Fowl (4)
Open Sesame
Tom Holt
Orconomics
J. Zachary Pike
The Dark Profit Saga (1)
The ordeal of the haunted room
Jodi Taylor
The Chronicles of St Mary's (11.5)
The Order War
L.E. Modesitt Jr.
The Saga of Recluce (4)
Ordermaster
The Saga of Recluce (13)
Orion's Hounds
Star Trek: Titan (3)
Orphan Star
Alan Dean Foster
Pip & Flinx (3)
Osdal
Harmony War (3)
The Other
K.A. Applegate
Animorphs (40)
Otherness
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Out of House and Home
Fred, the Vampire Accountant (7)
Outcasts of Order
The Saga of Recluce (19)
Outland
Dennis E. Taylor
Quantum Earth (1)
The Outsorcerer's Apprentice: YouSpace Book 3
YouSpace (3)