- Gaia's Brood
- Gaia's Children
- Gaia's Dream
- Gaia's Rebellion
- Gaia's Sword
- Gaian Consortium, Books 1-3
- Gaidhlig Eilean an Ionmhais
- Gain
- Gaining Trust
- Galactic Alphas Compilation
- Galactic Ancestors
- Galactic Apocalypse and Dystopia
- Galactic Avatar
- Galactic B
- Galactic Brigade - Freezing of Hope
- Galactic Burn: A Scifi Alien Romance
- Galactic Cage Fighter Series Bundle
- Galactic Cage Fighters Battle Royale
- Galactic Checkmate
- Galactic Chronicles
- Galactic Collapse: Agents of ISIS, Book 10
- Galactic Command: Boot Camp
- Galactic Defense - Mats Runen
- Galactic Defense - Mats Runen 2
- Galactic Empires
- Galactic Empires: Invasion
- Galactic Exploration
- Galactic Express: Stargazer
- Galactic Fist of Legend
- Galactic Fist of Legend: Volume 2
- Galactic Fist of Legend: Volume 3
- Galactic Flame: A Scifi Alien Romance
- Galactic Forces : Alien Love Triangle Romance
- Galactic Freedom
- Galactic Gamers (Band 1) - Der Quantenkristall
- Galactic Games
- Galactic Geographic
- Galactic Goth
- Galactic Goth
- Galactic Horde
- Galactic Inferno: A Scifi Alien Romance
- Galactic Jihad
- Galactic Keegan
- Galactic Mandate: A Radical Cause
- Galactic Mandate: The Scream
- Galactic Marine Corps Sniper Teams: Battle Lines
- Galactic Marine Corps Sniper Teams: Deploying to Hell
- Galactic Menace
- Galactic Mercenaries Omnibus
- Galactic Passages
- Galactic Patrol
- Galactic Pirate Brides
- Galactic Pirates
- 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 Slave
- Galactic Slut
- Galactic Spikes
- Galactic Steel
- Galactic Stew
- Galactic Takeover Bid
- Galactic Thunder
- Galactic Universal Doom
- Galactic Vigilante
- Galactic War 1
- Galactic Warlord
- Galactic Warriors
- Galactron - Die Raumschifffalle
- Galaga
- Galahad Suns
- Galahad's Fool
- Galaia Reina de Reyes
- Galakta
- Galaktik Tiyatro
- Galaktikus cserépgyógyász
- Galaktische Gefühle
- Galaktische Mission
- Galaktische Station 17
- Galaktische Vorstellungen
- Galaktischer Ruf (Chronik der Sternenkrieger 33-36 - Sammelband 9)
- Galan
- Galantus Nivalis
- Galaor / Ámbar
- Galata Odyssey
- Galataea Crystall Core: Collection 1
- Galataea Crystallim Core: Collection 2
- Galataea Crystallim Core: Episode 8: Back in Service
- Galataea Crystallim Episode 10: The Little Death
- Galataea Crystallim Episode 9: Super Effective!!
- Galax-Arena
- Galaxia errante
- Galaxian
- Galaxienwanderer - Der Katzenartige
- Galaxienwanderer - Die abgelegene Sternenstadt
- Galaxienwanderer - Eine Krise der Raumzeit
- Galaxienwanderer - Herrscher über Galaxien
- Galaxienwanderer - Mission Schwarzes Loch
- Galaxienwanderer - Raumschiff Caesar
- Galaxienwanderer Zyklus Sammelband 4 Romane
- Galaxienwanderer – Die kosmischen Läufer
- Galaxienwanderer – Eine fremde Erde
- Galaxienwanderer – In zwei Milchstraßen
- Galaxienwanderer – Operation Delta
- Galaxis
- Galaxium 2: The Losaurian Conspiracy
- Galaxy
- Galaxy 101
- Galaxy 313
- Galaxy Alien Mail Order Brides Series (Books 1-3 Box Set)
- Galaxy Alliance