- J'ai rétréci mon meilleur ami! - Livre 1 : Oups!
- J'ai rétréci mon meilleur ami! - Livre 2 : Zac à la rescousse!
- Jack
- Jack and the Moonstalker
- Jack Higginbottom and the Cave Dot Com
- Jacked-In
- Jaded
- Jadie in Five Dimensions
- JAGD NACH DEN DRACHENMEDAILLONS
- Jah's Vegan Planet
- Jak and the Magic Nano-beans
- Jake and the Other Girl
- Jake’s Secret
- James Holt
- January Black
- Janus
- Jay, Lizzie and the Tale of the Stairs
- Jazz's Asteroid
- Jazz, Monster Collector in: Crash Down (Season one, Episode One)
- Jeff Wheeler: Series Reading Order - with Checklist & Summaries
- Jek/Hyde
- Jesse 2.0
- Jesters Incognito
- Jettatura
- Jewl and the Jinx
- Jigglers: Aremac A Century Later
- Jin in Time Boxed Set 1-3
- Jin In Time Part One
- Jin In Time Part Two
- Jinn
- Jodie och bibliotekskortet
- JOE DEVLIN
- Joe Devlin E il Nuovo Star Fighter
- Joe Devlin And The New Star Fighter
- Joe Devlin e lo Star Fighter perduto
- Joe Devlin in the Moon's Shadow
- Joe Devlin Nell'Ombra della Luna
- Joe Devlin y el nuevo Guerrero Estelar
- Joe Devlin: Y La Guerrera Estelar Perdida
- Joe Devlin: E o Guerreiro Estelar Perdido
- Joe Devlin: E o Novo Guerreiro Estelar (Série Space Academy, Livro 1)
- Joe Devlin: En la Sombra de la Luna
- Joe Devlin: Na Mão do Inimigo
- Joe Devlin: Na Sombra da Lua
- Johanna Vildhjärta och silverljuset
- Johannesnatten
- John Carter of Mars
- Johnny B. Goode, Or Else!
- Johnny Graphic Adventures Trilogy Box Set
- Johnny Graphic and the Attack of the Zombies
- Johnny Graphic and the Etheric bomb
- Johnny Graphic and the Ghost of Doom
- Johnny Mackintosh: Battle for Earth
- Joined
- Jolly Olde Teenage ALIEN
- Jon & Jenny
- Jonah, La Nuit des Fugitifs - Tome 4
- Jonny Jakes Investigates the Hamburgers of Doom
- Jonny Jakes Investigates the Old School Ghoul
- Jorden under os 1 - De sidste zoner
- Josh the Robot
- Joshua: Between Two Worlds
- Josh the Robot
- Joshua: Between Two Worlds
- Joshua: Breaking Free
- Joshua: Life After Theos
- Journey Between Worlds
- Journey to Disappeared: Discovery
- Journey to Jupiter
- Journey to Star Wars: The Rise of Skywalker: Force Collector
- Journey to Star Wars: The Rise of Skywalker: Spark of the Resistance
- Journey to Terezor
- Journey to the Center of the Earth
- Journey to the Center of the Earth (Annotated with Biography of Verne and Plot Analysis)
- Journey to the Centre of the Earth
- Journey to the Heart of the Abyss
- Journey to the Moon
- Journey To The Paper Recycling Plant
- Joust in Times
- Voyagers 2 - Juego en llamas
- Jukebox
- Jules Verne's 20,000 Leagues Under the Sea: A Companion Reader with a Dramatization (The Jim Weiss A...
- Jump Boys: SOS
- Jumpers 2
- Junior Ghost Hunters - Case of the Headless Cowboy
- Junior Hero Blues
- Juno
- Juno Of Taris
- Juntos (Juntos 1)
- Juntos hasta la medianoche
- Jurassic Park
- Just a Matter of Time