- Galileo's Holiday
- Galileo's Stepdaughter
- Galileo’s Dream
- Gallicenae
- Gamble Taken
- Gambler
- Game Of Immortals
- Game of Mass Destruction
- Game of the Gods
- Game Theory
- Game: Survive
- Gameover
- Gamers and Gods II: MACHAON
- Gamers and Gods III: ALEXANOR
- Gamers and Gods: AES
- Gamers and Gods: The Complete Trilogy
- Games & Fate
- Games of Fate
- GameW0rldz
- Gamin Technology
- Gamma Accidents #2: Creatures from the Deep
- Gamma Bots
- Gamma Nine (Book One)
- Gamma Nine: Dawn of Extinction (Book Two)
- Gamma Product
- Gammafall
- Gangbanged by Cavemen (Time Traveling Sex Chronicles, #2)
- Gangpire II
- Gangs of Antares [Dray Prescot #45]
- Gangs of Galis
- Ganked In Space
- Ganymed
- Ganymede
- Ganymede's Gate
- Garbadon Major
- Garbage Star
- Garbageman
- Garda Nua Trilogy
- Garda Nua: Right Does Not Ask Permission
- Garda Nua: The Proliferation of Talent
- Garda Nua: When a Planet is Stolen
- Garden of Evil
- Garden of Stone: A Soulbright Prequel
- Gardens of Earth
- Gargalhadas
- Gargoyle Hunt
- Garro: Beacon of Hope
- Garro: Christmas Short Stories
- Garro: Collection
- Garro: Collection Book 7-9
- Garro: Collection Books 1-6
- Garro: Collection Books 4-6
- Garro: Complete Collection
- Garro: End of Days
- Garro: End Times
- Garro: Faithless
- Garro: Galaxy's End
- Garro: Heresy Collection
- Garro: Mistress of Blood
- Garro: Rise of The Order
- Gaslighting
- Gassers
- Gate Crashers
- Gatekeeper
- Gatekeeper (A Dominions Prologue)
- Gates of Alantiera
- Gates of Heaven
- Gates of Wonder
- Gateway to Earth (A Game of War Part Six)
- Gateway to Elsewhere
- Gateway: Aurora
- Gateway: Orion
- Gateway: The Shaula Intervention
- Gateways
- Gather Yourselves Together
- Gather, Darkness!
- Gathering Clouds
- Gathering of Shadows
- Gathering Shards
- Gauntlet
- Gawain
- Gaz X-Tra
- Gea
- Geared to the Future (Jones Whitman Time Traveler Series, book 3)
- Geared to the Past (Jones Whitman, Time Traveler Series Book 2)
- Geared to the Present (Jones Whitman Time Traveler Series)
- Gearteeth
- Gebeurtenissen op d'Artagnandag
- Gedankendimensionen - Bände 0-4
- Geeks, Cons, and Amazons
- Geeky Reaper
- Gefallene Engel
- Gefallene Sonnen
- Gefangen auf Devenport Island
- Gefangen auf Tilmun Prime
- Gefangene der Zukunft
- Gefangene der Zukunft
- Gegen das Weltgesetz
- GEGEN UNENDLICH
- Geheimkommando Chepesch
- Gehenna Inc.
- Geisha Assassin X Smartass Hacker
- Geister, Frauen Und Andere Einbildungen
- Geisterschiff
- Geisterwelt
- Gekken grijzen
- Geležinio drakono duktė
- Gelüftete Schleier
- Gem
- Gemini
- Gemini Galaxy and Beyond
- GEN - From a Distance (Deutsche Ausgabe)
- Gen Crash
- Gen LD3, a short story