- J'ai tué mon prof !
- J.C. - Agent auf der Flucht
- J.C. - Agent gegen den Rest der Welt
- J.C. - Agent im Fadenkreuz
- J.C. - Agent in höchster Gefahr
- Jac
- Jack and the Moonstalker
- Jack Gregson & The Forgotten Portal
- Jack l'éventreur
- Jack O' Judgment
- Jack: Secret Circles
- Jack: Secret Histories
- Jack: Secret Vengeance
- Jacked
- Jacking Dean's Ride
- Jaclyn Hyde
- Jailbird Kid
- Jakten på Energimojängen
- Jane Anonymous
- Janie Face to Face
- Jason and the Corner Shop Mystery
- Jasper Dash and the Flame-Pits of Delaware
- Jazmine Montgomery – Toy Detective
- Jazz Café
- Jazz Kats Return
- Je n'irai pas en classe de neige
- Je sais qui m'a tué
- Je voulais naître vent
- Jenny Valentine - 4 Book Award-winning Collection (Finding Violet Park, Broken Soup, The Ant Colony,...
- Jessica Naturally
- Jeu de piste macabre dans le 6ème
- Jeu mortel
- Jeux cruels
- Jex Blackwell Saves the World
- Jillian Cade: (Fake) Paranormal Investigator
- Jimmie Dale Mysteries (4 Novels in One Volume)
- Jimmy Tickle's Christmas
- Jinn
- John Flack
- John Green's Paper Towns Summary
- Johnathan Morgan at The Burlington School for Boys "The Terrible Troubles"
- Johnathan Morgan at the Burlington School for Boys The "Horrible Troubles"
- Johnny Graphic and the Attack of the Zombies
- Johnny Graphic and the Etheric bomb
- Jones & Parker Case Files
- Jonny Jakes Investigates the Hamburgers of Doom
- Josie Bloom and the Emergency of Life
- Josie's Phantom
- Jours Sauvages
- Joven abogado (Theodore Boone 1)
- Jours Sauvages
- Joven abogado (Theodore Boone 1)
- Joëlle et le grand brun
- Jude
- Judge by the Cover
- Judgment (Deck of Lies, #4)
- Judy and the Beast (Goosebumps SlappyWorld #15)
- Judy in Disguise
- Judy’s Secret
- Jugando con fuego (Jugando con fuego 1)
- Jule und Fettsack
- Jules et le nuage qui ne pleuvait jamais
- Jules Quatrenoix’s extraordinary adventures - Book 1
- Juliett Harper and the Singing Woman Mystery
- Juliette et Roméo
- Julio: a Brooklyn Boy Plays Detective to Find His Missing Father
- July's Flesh
- Jumper
- Junior Ghost Hunters - Case of the Headless Cowboy
- Junkyard Dog
- Just Desserts
- Just South of Home
- Justice
- Justice (Deck of Lies #1)