- G3: A Story of Survival
- Gabby Duran, Book 4: Triple Trouble
- Gadget Geeks
- Gaia
- Gajba
- Galactic Passages
- Galactic Treasure Hunt I
- Galactic Treasure Hunt II
- Galactic Treasure Hunt III
- Galactic Treasure Hunt IV
- Galactic Treasure Hunt V
- Galahad Legacy
- Galata Odyssey
- Galata Odyssey Tome 2
- Galax-Arena
- Galaxian - The Search for Icol
- Galaxine et les anneaux de Saturne
- Galaxine et les cranards de Mars
- Galaxy Games #1
- Galaxy Watch (The Galacteran Legacy)
- Galaxy's Most Wanted #2: Into the Dorkness
- Galaxy's Most Wanted #3: Starship Bloopers
- Galaxy9
- Galaxy9 Enhanced
- GalaxyNet: The Eighth Zak Steepleman Novel
- Galentine et la catastrophe annoncée
- Galileo's Ascension
- Game of Clones
- Game over!
- Game X Destiny
- Gamer Army
- Gamer Girl
- Gamers' Challenge
- Gamers' Challenge: Book Two of the Gamers Trilogy
- Gamers' Quest
- Gamers' Quest: Book One of the Gamers Trilogy
- Gamers' Rebellion
- Gamers' Rebellion: Book Three of the Gamers Trilogy
- Gangs of Brighton
- Gardens of Wind
- Gatekeepers
- Gearbreakers
- Gebissen (Band 3 der Vampirlegenden)
- Gefahr für Burg Bentheim
- Gegen das Weltgesetz
- Gegen das Weltgesetz (Science-Fiction-Roman)
- Geheimakte: Das Vermächtnis von Nummer Sechs
- Geheimmission Mond
- Gelobt (Band #7 Der Weg der Vampire)
- GEMP
- Gen-S: Superhuman Society of Earth
- Gender Chaos
- Gene Machine
- Genecode Illegal
- Generación Uno (Los nuevos legados de Lorien 1)
- Generation One
- Generations I: Book of Enlightenment
- Genes
- Genesis
- Genie and the Sandman
- Genius boy
- George and the Big Bang
- George and the Blue Moon
- George and the Galactic Games
- George and the Ship of Time
- George and the Unbreakable Code
- George Taylor, UFO Investigator
- Gesammelte Sci-Fi-Romane in einem Band
- Gesammelte Science-Fiction-Romane & Dystopie-Klassiker
- Gesammelte Werke: Science-Fiction-Romane + Abenteuerromane + Erzählungen
- Gesammelte Werke: Science-Fiction-Romane + Jugendromane + Erzählungen + Sachbücher
- GESTALT
- Getting Home
- Getting Into The Game: A Zak Steepleman Short Story Collection
- Ghost Hand (The PSS Chronicles #1)
- Ghost Heart (The PSS Chronicles #3)
- Ghost in the Screen
- Ghost in the Water
- Ghost of a Memory
- Ghost Ranger
- Ghost Runner
- Ghost Town
- Ghosts & Ashes
- Ghosts on Board: A SHRUNK! Adventure
- Gia
- Giant Steel Death Machines
- Gifted
- Gifted Awakening
- Gifted Omen
- Gimme a Call
- Gifted Omen
- Gimme a Call
- Ginga+ Riamu
- Girl Germs
- Girl Gone Viral
- Girl in a Strange Land
- Girl Overboard
- Girl Searching for a Quirky Electron
- Girls at the Edge of the World
- Girls with Rebel Souls
- Girls with Sharp Sticks
- Gisbert der Klarsichtige
- Gitch
- Glaconnia: The Prequel to The Secret of the Glacons
- Gladiator
- Glass Bones
- Glass Ceiling
- Glass Town Wars
- Glimpses of the Future
- Glint of a Ring (Children of Jad #2)
- Glitch Kingdom
- Global Cooling
- Global Warning
- Glow
- Go Slow
- Go To Hell
- God Save Me.
- God's Kitchen
- Goddess in the Machine
- Godly Sins
- Gods & Werewolves
- Gods and Androids
- Godslayers
- Going Dark
- Going Solo
- Golak
- Gold Embers
- Gold in the Sky
- Golden Eyes
- Golden Girl
- Goldrush: Vanguard Prime Book 1
- Gone
- Gone 1 - Forsvunnet
- Gone 2 - Mørke krefter