- Jess Like Me
- Jess Not the Same
- Jet-Pack Dreams
- Jimbo The Farting Robot
- Joe Devlin at the Enemy's Hand
- Joe Devlin Space Academy Series Box Collection
- John Carter of Mars
- Johnny the space kid
- Jop and Blip Wanna Know #1: Can You Hear A Penguin Fart on Mars?
- Jorden under os 1 - De sidste zoner
- Journey to Juno
- Journey to Jupiter
- Journey to Star Wars: The Rise of Skywalker: First Order Villains
- Journey to Star Wars: The Rise of Skywalker: Resistance Heroes
- Journey to the Center of the Earth
- Journey to the Moon #1
- Juju quer ser astronauta - 2a edição ampliada
- Jules Verne For Children: 16 Incredible Tales of Mystery, Courage & Adventure (Illustrated Edition)
- Julie the Rockhound
- Junior Science
- Junkyard
- Jusqu'à toucher les étoiles