- O'Bryant, Karyn
Who Was Joan of Arc?
- O'Byrne, Brian F.
Desire of the Everlasting Hills
- O'Connor, Sandra Day
Out of Order
- O'Connor, Tim
Peyton Place
- O'Donnell, Lawrence
Playing with Fire
- O'Dowd, Chris
SE Fantastic Mr. Fox
- O'Halloran, Tim
Based on a True Story
- O'Hare, Denis
The Alchemyst
- O'Hurley, John
It's Okay to Miss the Bed on the First Jump
- O'Keefe, Michael
The Way of Leadership
- O'Keefe, Robert
Sleeping with the Devil
- O'Malley, Rory
How to Survive a Plague
- O'Mara, Jason
The Break Line
- O'Neal, Ryan
Both of Us
- O'Neil, Cathy
Weapons of Math Destruction
- O'Neill, Heather
The Lonely Hearts Hotel
- O'Reilly, Bill
The Silence of War
- O'Reilly, Ciaran
Yeats Is Dead!
- O'Rourke, Kevin
Babylon Rising
- O'Rourke, Meghan
The Long Goodbye
- Oakley, Barbara
Mindshift
- Obama, Barack
Of Thee I Sing
- Obama, Michelle
American Grown
- Oberon, Elea
LeBootcamp Diet
- Obi, Damaras
Turning 15 on the Road to Freedom
- Ochlan, P.J.
The Spinning Magnet
- Ochman, Joe
She Has Her Mother's Laugh
- Odom, Leslie
Like No Other
- Oduye, Adepero
The Invention of Wings
- Offerman, Nick
The Largesse of the Sea Maiden
- Oh, Sandra
Human Acts
- Ojo, Adenrele
More Deadly Than War
- Olbermann, Keith
Trump is F*cking Crazy
- Older, Daniel José
Last Shot (Star Wars)
- Oldjohn, Khalipa
The First Part Last
- Oliver, Lin
Hank Zipzer #4: The Zippity Zinger
- Oliver, Mary
Dog Songs
- Olivo, Karen
The Brief Wondrous Life of Oscar Wao
- Ollivier, Debra
What French Women Know
- Olsher, Dean
From Square One
- Onayemi, Prentice
Call Me American
- Ondaatje, Michael
Warlight
- Onwukwe, Ben
The Gap of Time
- Orbach, Jerry
White Jazz
- Ordunio, Doug
Crashing Through
- Oreskes, Dan
L.A. Rex
- Oreskes, Daniel
Suite Francaise
- Orlean, Susan
My Kind of Place
- Orloff, Judith
Second Sight
- Orloff, Judith
The Power of Surrender
- Orlow, Rich
Operator Down
- Orman, Roscoe
Wilt, 1962
- Orman, Suze
The Money Class
- Ornish, Anne
Steady and Grounded
- Ornish, Dean
Enjoy Every Sandwich
- Ortega, Roxana
Lola
- Orth, Maureen
Vulgar Favors
- Ortiz, Laura
The Care and Feeding of a Pet Black Hole
- Osborne, Gavin
The Undercover Economist Strikes Back
- Osborne, Mary Pope
A Big Day for Baseball
- Osborne, Steve
The Job
- Osbourne, Kelly
There Is No F*cking Secret
- Osgood, Nathan
The Road to Little Dribbling
- Ostrander, Nancy
Performance Superlearning
- Ostrander, Sheila
Performance Superlearning
- Owens, Bobbi
Oprah Winfrey
- Ozeki, Ruth
A Tale for the Time Being
- O’Brien, Connor
SE The Bone Collector