Featured Authors
Authors

= Author On Tour
- Anna Osborn
- Elane Osborn
- Gavin Osborn
- Karen Osborn
- Bella Osborne
- Charles Osborne
- Jennifer Osborne
- Mary Pope Osborne
- Richard Osborne
- James Oseland
- Alice Oseman
- Anthony Oseyemi
- Eulalie Osgood Grover
- Claire Oshetsky
- Mark Oshiro
- Andi Osho
- Joy Osmanksi
- Joy Osmanski
- E.C. Osondu
- Ana Osorio
- Lee Osorio
- Marie Ostby
- Patrick Oster
- Molly Knox Ostertag
- Nicholas Ostler
- Brutus Ostling
- Joan K. Ostling
- Richard Ostling
- Micol Ostow
- Emil Ostrovski
- James Oswald
- Pete Oswald
- Patton Oswalt
- June Otani
- Steven Otfinoski
- Emma Otheguy
- Carre Otis
- John Otis
- Tracy Otsuka
- Tovah Ott
- Carolyn B. Otto
- Tom Ottway
- P.D. Ouspensky
- Alan Outen
- Chris Outram
- Alice Outwater
- David Ovason
- Denys Ovenden
- Sarah Ovens
- Sonia Overall
- Sunni Overend
- Joan Overfield
- Caroline Overington
- Eve Overland
- Wylie Overstreet
- Alexandra Overy
- Richard Overy
- Anna Owen
- Gareth Owen
- Geoffrey Owen
- James Owen
- Joanne Owen
- John Owen
- Michael Owen
- Nikki Owen
- Randy Owen
- Damien Owens
- Gail Owens
- Janis Owens
- Nick Owens
- Sandra Owens
- Eric Owusu
- Jude Owusu
- Helen Oxenbury
- Eloise Oxer