Series beginning with G
- Gaia Girls
- Galactic Hot Dogs
- Galhadrian Trilogy
- Gallagher Girls
- Game Master
- Game On
- Gamers' Quest
- Gangsta Granny
- Gangster School
- Garbage Pail Kids
- Garfy
- Gargoylz
- Garvie Smith Mysteries
- Geek Girl
- Geek Girl Special
- Geekhood
- Gemini Force One
- Gemma Doyle
- Generations Trilogy
- Genie and Teeny
- Genie Us
- Geomancer
- George and the Time Machine
- George's Secret Key
- Geronimo Stilton and the Kingdom of Fantasy
- Geronimo Stilton UK list
- Geronimo Stilton US list
- Get Me Out of Here!
- Ghost Bird Academy
- Ghost Buddy
- Ghost Detectives
- Ghost Hunter Chronicles
- Ghost Scouts
- Ghostcloud
- Ghosthunters
- Ghoulia
- The Gift
- Gifted
- Gilded Ones
- Ginger Ninja
- Girl About Time
- Girl Called Justice
- Girl Called Owl
- Girl from Everywhere
- Girl Online
- Girl Undercover
- Girl vs. Boy Band
- Girl, Missing
- Girlfriends
- Girls
- Girls FC
- Girls with
- Gladiator
- Gladiator Boy
- Gladiator School
- Glass Spare
- Glister
- Glitter Girls
- Glittering Court
- Glory Gardens
- Go Mo Go
- Goal!
- Goblins
- Goblyn Wood
- Goddess Girls
- Gods and Warriors
- Gold Medal Mysteries
- Gold Seer
- Golden
- Golden Armour
- Goldfish Boy
- Gone
- Good Girl's Guide to Murder
- Goodly and Grave
- Goose Girl
- Goosebumps
- Goosebumps Horrorland
- Goosebumps House of Shivers
- Goosebumps Slappy World
- Gordon's Game
- Gormy Ruckles
- Gossip Girl
- Goth Girl
- Grace Ella
- Gracie Fairshaw
- Grandma Dangerous
- Great Escapes
- Great Fox Illusion
- Great Hamster Massacre
- Great Library
- Great Mouse Detective
- Great Shelby Holmes
- Green Knowe
- Greenriver
- Greenwich Chronicles
- Greta Zargo
- Greystone Secrets
- Griffin Gate
- Grim Gruesome Viking Villian
- Grimm
- Grimwood
- GrishaVerse
- Grk
- Groovy Joe
- Grubtown Tales
- Grunts
- Guardian Herd
- Guardians of Childhood
- Guardians of Ga'hoole
- Guardians of the Wild
- Guardians of Time
- Guild Trilogy
- Guinea Pigs Online
- Gunk Aliens
- Gym Stars