The Mark of Athena (The Heroes of Olympus, Book Three)
Rick Riordan
Heroes of Olympus (1)
Lightsabers
Kevin J. Anderson & Rebecca Moesta
Young Jedi Knights (4)
[Dragonkeeper #2] Garden of the Purple Dragon
Carole Wilkinson
Dragon Keeper (2)
Cosplay Crime
Marty Chan
Underground Kingdom
Edward Packard
The Underground
K. A. Applegate
Animorphs (17)
The Underland: A Branches Book (The Last Firehawk #11)
Katrina Charman
Unearthly Asylum
P.J. Bracegirdle
Joy of Spooking (1)
The Unexpected Everything
Morgan Matson
An Unexpected Hero: Pow Pow Pig 1
Anh Do
Unexpected Magic
Diana Wynne Jones
Unexpected Super Spy
Zanib Mian & Nasaya Mafaridik
The Unexpected
Animorphs (44)
The Unfinished City
J.R. Parks
Rella PenSword and The Red Notebooks (2)
Unfinished Tales of Númenor & Middle Earth
J.R.R. Tolkien
The Unflushables
Ron Bates
Unfocused
Nicole Korson & David Korson
Unforgettable Journeys: Alone on a Wide, Wide Sea, Running Wild ...
Michael Morpurgo
The Unforgettable Logan Foster and the Shadow of Doubt
Shawn Peters
The Unforgettable What's His Name
Paul Jennings & Craig Smith
The Unfortunate Wishes of Nelly Young
Beth Garrod
Unhappy Campers (The Underdogs #3)
Tracey West
Unicorn Academy Nature Magic #1
Julie Sykes & Lucy Truman
Unicorn Academy: Olivia and Snowflake
Julie Sykes
Unicorn Academy (1)
Unicorn University - Twilight, Say Cheese!
Daisy Sunshine
Unicornia: Learning to Fly
Ana Punset
Unicorns and Germs
Marion Lindsay
An Uninterrupted View of the Sky
Melanie Crowder
Unite Me (2 Shatter Me Novellas)
Tahereh Mafi
Shatter Me #1.5 & #2.5 (1.50)
United as One
Pittacus Lore
The Unknown
Animorphs (14)
The Unlikely Intrusion of Adams Klein
John Greco
Unlocking the Spell: A Tale of the Wide-Awake Princess
E. D. Baker
The Wideawake Princess (1)
Unplugged
Gordon Korman
The Unpredictability of Being Human
Linni Ingemundsen
Unravelled Book 9.5
Shannon Messenger
Unraveller
Frances Hardinge
The Unready Queen
William Ritter
Unreal Collection
Paul Jennings
An Unreliable Magic
Rin Chupeco
Unseelie
Ivelisse Housman
Unseen Academicals
Terry Pratchett
Discworld (45)
The Unseen Guest
Maryrose Wood
The Incorrigible Children of Ashton Place (3)
Unseen Magic
Emily Lloyd-Jones
Unsettled
Reem Faruqi
Unsolved Case Files: Escape at 10,000 Feet
Tom Sullivan
The Unstoppable Flying Flanagan
Felice Arena
The Unteachables
Untwisted: The Story of My Life
The Unwanted Puppy
Tina Nolan
Animal Rescue (1)
The Unwanteds
Lisa McMann
The Unwilling Umpire
Ron Roy
A to Z Mysteries (21)
Unwritten
Tara Gilboy
Up in Flames
Hailey Alcaraz
Up the Creek
Natalie Hyde
Upper Fourth at Malory Towers
Enid Blyton
Malory Towers (4)
The Upper World
Femi Fadugba
Upside-Down Magic
Sarah Mlynowski
Upstander
James Preller
The US Capital Commotion
Jeff Brown
Flat Stanley (9)
Us Mob Walawurru
Lisa Wilyuka
Usurper!
Jamie Thomson & Mark Smith
The Vacation Guide to the Solar System
Olivia Koski & Jana Grcevich & Guerilla Science
Valentine Princess
Meg Cabot
The Princess Diaries (1)