The Secret Explorers and the Sunken Treasure
SJ King
Once & Future
Cori McCarthy & Amy Rose Capetta
Operation Sisterhood
Olugbemisola Rhuday-Perkovich
Phoenix
Elizabeth Richards
Black City (2)
Paddington Takes the Test
Michael Bond
Paddington Races Ahead
Paddington on Top
Paddington Marches On
Paddington Here and Now
Paddington Helps Out
Paddington Goes to Town
Paddington at Work
Paddington at Large
Paddington Abroad
The Pack
Lisi Harrison
The Pack #2: Claw and Order
An Owl Called Star
Helen Peters
Helen Peters Animal Stories (1)
Owl and the Lost Boy
Amy Wilson
Owen and the Soldier
Lisa Thompson
The Overworld Games: The Creeper Diaries, an Unofficial Minecrafter's ...
Greyson Mann
Minecraft Diaries (1)
Override
Heather Anastasiu
Glitch (2)
Overlord!
Jamie Thomson & Mark Smith
The Overlord Protocol
Mark Walden
The Overlander
Jenny Brigalow
OVEREMOTIONAL
David Fenne
Overdrive
H. I. Larry
Overboard!
Terry Lynn Johnson
Over the Underworld
Adam Shaughnessy
Over the Net
Jake Maddox
Over Raging Tides (Lady Pirates Book 1)
Jennifer Ellision
Outside Shot
Fred Bowen
Outside Nowhere
Adam Borba
Outside In
Chrissie Keighery
Out of This World
Chris Wooding
Out of Range
Heidi Lang
Out of My Mind
Sharon M. Draper
Out of My Heart
Out of My Dreams
Out of Bounds
Andrea Montalbano
Our Teacher Is a Vampire and Other (Not) True Stories
Mary Amato
Our Principal Is a Spider!
Stephanie Calmenson
Our Principal Is a Frog!
Our Principal Breaks a Spell!
Stephanie Calmenson & Aaron Blecha
Our mutual friend
Charles Dickens
Our History: Bold Ben Hall
Sophie Masson
Our Australian Girl: Poppy and the Thief
Gabrielle Wang
Our Australian Girl (1)
Our Australian Girl: Pearlie's Pet Rescue
Our Australian Girl: Pearlie's Ghost (Book 4)
Gabrielle Wang & Lucia Masciullo
Our Australian Girl: Pearlie the Spy
Our Australian Girl: Meet Pearlie
Our Australian Girl: Meet Marly (Book 1): Meet Marly
Alice Pung
Our Australian Girl: Meet Letty (Book 1): Meet Letty
Alison Lloyd
Our Australian Girl: Marly's Business (Book 2): Marly's Business
Our Australian Girl: Letty's Christmas
Our Australian Girl: Letty and the Stranger's Lace
Ottilie Colter and the Narroway Hunt
Rhiannon Williams
Ottilie Colter (1)
Ottilie Colter and the Master of Monsters
An Otter Called Pebble
Otherland
Louie Stowell
The Other
K. A. Applegate
Animorphs (40)
The Other Wind
Ursula K. Le Guin
The Earthsea Cycle (1)
The Other Side of the Wall
Amy Ephron
The Other Side of the Sky
Amie Kaufman & Meagan Spooner
The Other Side of Perfect
Mariko Turk