- G's Future
- G's Future: The Journey, Part 2
- G's Story, First Sentient Android (Short stories 1 & 2 combined)
- G-r-r-r . . . !
- G.A.I. Genetic Artificial Intelligence
- G.E.H.B.
- G581: Mars
- G581: The Departure
- Gabekarnian
- Gabi
- Gabriel's Redemption
- Gabriel's Return
- Gabriel's Revenge
- Gabriel: Zero Point
- Gaebrel's Gamble (Book One of the Nine Suns)
- Gaia Rediscovered
- Gaia Returning
- Gaia Rising
- Gaia's Dream
- Gaia's Rebellion
- Galactic Alphas Compilation
- Galactic Burn: A Scifi Alien Romance
- Galactic Cage Fighter Series Bundle
- Galactic Chronicles
- Galactic Collapse: Agents of ISIS, Book 10
- Galactic Command: Boot Camp
- Galactic Exploration
- Galactic Fist of Legend: Volume 2
- Galactic Flame: A Scifi Alien Romance
- Galactic Games
- Galactic Horde
- Galactic Inferno: A Scifi Alien Romance
- Galactic Mercenaries Omnibus
- Galactic Passages
- Galactic Pot-Healer
- Galactic Quest
- Galactic Rescue Inc. Vol 1. Prelude
- Galactic Rescue Inc. Vol 2. Outwards to the Stars
- Galactic Rescue Inc. Vol 3. Way Beyond Infinity
- Galactic Takeover Bid
- Galactic Thunder
- Galactic Universal Doom
- Galactic War 1
- Galactic Warlord
- Galactic Warriors
- Galactron - Die Raumschifffalle
- Galaga
- Galahad Suns
- Galaktische Mission
- Galataea Crystallim Episode 9: Super Effective!!
- Galaxian
- Galaxias
- Galaxy Alien Mail Order Brides Series (Books 1-3 Box Set)
- Galaxy Alliance
- Galaxy Diaries
- Galaxy Dog
- Galaxy Mission
- Galaxy Nomads: Chronicles of the MacKenzie Clan
- Galaxy of the Lost
- Galaxy Outlaws Mission Pack 1: Missions 1-4
- Galaxy Outlaws Mission Pack 2: Missions 5-8
- Galaxy Outlaws Mission Pack 3: Missions 9-12
- Galaxy Outlaws Mission Pack 4: Missions 13-16
- Light Of The Mortal God
- Galaxy Rulers
- Galaxy Science Fiction November 1950
- Galaxy Science Fiction October 1950
- Galaxy Science Fiction Super Pack #2
- Galaxy Spies
- Galaxy Under Siege
- Galaxy's Edge: Black Spire (Star Wars)
- Galaxy's Isaac Asimov Collection Volume 1
- Galaxy's Isaac Asimov Collection Volume 2
- Galaxy's Philip K Dick Collection
- Galaxy’s Edge
- GALCOM Books 1-3
- Galilee Rising
- Galileo's Dream
- 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 On
- Game of the Gods
- Game On
- Game Theory
- 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
- Gamma Accidents #2: Creatures from the Deep
- Gamma Bots
- Gamma Nine (Book One)
- Gamma Nine: Dawn of Extinction (Book Two)
- 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
- Gargoyle Hunt
- Garro: Beacon of Hope
- Garro: Christmas Short Stories
- Garro: Collection
- 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