Kindred Souls
Patricia MacLachlan
One Corpse Too Many
Ellis Peters
Chronicles of Brother Cadfael (2)
River of Mercy
Bj Hoff
The Riverhaven Years (3)
Blood Wyne
Yasmine Galenorn
Otherworld/Sisters of the Moon (9)
The Invasion of 1950
Christopher Nuttall
Bookworm
I Do Not Come to You by Chance
Adaobi Tricia Nwaubani
Raid and the Blackest Sheep
Harri Nykänen
Raid (1)
The Runaway Heiress
Anne O''brien
The Outrageous Debutante
For Their Baby
Kathleen O''brien
She Who Dares
Jane O''reilly
The Surgeon's Mate
Patrick O'Brian
Aubrey & Maturin (7)
Treason's Harbour
Aubrey & Maturin (9)
The Reverse of the Medal
Aubrey & Maturin (11)
Clarissa Oakes
Aubrey & Maturin (15)
Lara's Gift
Annemarie O'Brien
A New World: Takedown
John O'Brien
Day of Vengeance
Johnny O'Brien
Jack Christie Adventure (3)
Firefly Glen
Kathleen O'Brien
A Self-Made Man
Unspeakable
Kevin O'Brien
Watch Them Die
Vicious
The Next to Die
Disturbed
Island of the World
Michael O'Brien
Uncommon Valour: 1916 & the Battle for the South Dublin Union
Paul O'Brien
In the Lake of the Woods
Tim O'Brien
The Jerusalem Puzzle
Laurence O'Bryan
In Exile: Short Stories
Billy O'Callaghan
In Too Deep: And Other Short Stories
Bone Thief
Thomas O'Callaghan
John Driscoll (1)
The Scrapper
Brendan O'Carroll
Bone by Bone
Carol O'Connell
Women in the Wall
Julia O'Faolain
The Vanishing Act of Esme Lennox
Maggie O'Farrell
Instructions for a Heatwave
The Hand That First Held Mine
Hybrid
Brian O'Grady
Death's Sweet Embrace
Tracey O'Hara
Dark Brethren (2)
Family Skeletons
Bobbie O'Keefe
The Egg Said Nothing
Caris O'Malley
This Magnificent Desolation
Thomas O'Malley
In the Province of Saints
Learning to Trust
Cynthia P. O'Neill
Learning (1)
Tara Flynn
Geraldine O'Neill
Loralynn Kennakris (1)
At Swim, Two Boys
Jamie O'Neill
Deception
Lisa Clark O'Neill
Southern Comfort (3)
Siren Warrior Chronicles: Books 1, 2, and 3
Michelle O'Neill & Lindsey Bayer
Siren Warrior (1)
West in the Foggy Valley: Thiar I nGleann Ceo
Tadhg O'Rabhartaigh
Suffer the Flesh
Monica O'Rourke
In the End, Only Darkness
Monica J. O'Rourke
Penance
Dan O'Shea
Son of a Mermaid
Katie O'Sullivan
Son of a Mermaid (1)
Duplicity
Oasis
The Accursed
Joyce Carol Oates
The Rescuer
Daddy Love
The Falls
Expensive People
Garden of Earthly Delights (2)
The Tiger's Wife
Téa Obreht
Earth Angel
Raymond Obstfeld
Mistletoe Not Required
Anne Oliver
Harlequin Kiss (37)