- Red Shadows
- Red Sky
- Red Sky at Morning
- Red Star
- Red Thunder
- Red Tide
- Red Vengeance
- Red Wheels Turning
- Red Witch of Mercury and two more stories
- Red#1: Burning Skies
- Red: #890000
- REDD: Down the Rabbit Hole
- Redemption
- Redemption Cairn
- Redemption Protocol
- Redemption Trail
- Redfish
- Redline Rebels
- Redliners
- Redliners, Second Edition
- Redning på Sneboldjord
- Redrum
- Redtooth
- Redundanz und Recht
- Reel Life Films
- Reel to Real Love
- Reencounter with the Gods
- Reese and Reeves: Overture
- Reflections
- Reflections of Destiny
- Refracted to the Stars
- Refractions of Frozen Time
- Refuge
- Refugee
- Refugee Star Trail
- Refugees
- Refund
- Refurbished
- Refém Frágil
- Regaining Command: Command Series Book 3
- Regal Ruckus
- Regeneration Drug
- Regeneratione. GRAVITON & GURGES 2.0
- Regeneratione: Gurges 2.0
- Regenesis
- Reggiecide
- Regine (Le Detentrici di Arantha Libro Secondo)
- Regntid på den hule jord
- Regreso a Belzagor
- Regreso al Edén
- Regress
- Regulator
- Rehabilitation
- Reign & Revolution
- Reign of Four II
- Reign of Four III
- Reign of Four IV
- Reign of Monsters
- ReImagination
- Reine de Mémoire 1. La Maison d'Oubli
- Reine de Mémoire 2. Le Dragon de Feu
- Reine de Mémoire 3. Le Dragon fou
- Reine de Mémoire 4. La Princesse de Vengeance
- Reine de Mémoire 5. La Maison d'Équité
- Reiniciados
- Reintegration
- Reis de todos os mundos possíveis
- Reise durch die Sonnenwelt
- Reise durch die Sonnenwelt: Science-Fiction-Klassiker
- Reise durch vergangene Zukunft
- Reise ins Ungewisse
- Reise nach dem Mittelpunkt der Erde
- Reise ohne Wiederkehr
- Reise um den Mond
- Reise um die Erde in 80 Tagen
- Reise zum Mittelpunkt der Erde
- Reisende im Wind der Zeit
- Reivindicada pelos Alfas
- Rejoins-moi
- Rejsen til det ukendte
- Rekordflug im Jet-Orkan
- Relapse
- Relativity (Aurora Resonant Book One)
- Relaunch Mission
- Release (Liberação) Volume 1 of A Lowell Story
- Relentless Fire
- Reliance
- Relic
- Relic Hunted
- Relic of Sorrows
- Relic of Sorrows (Fallen Empire, Book 4)
- Relics of Andromeda
- Relive the Day!
- Reloading the Colts
- Reluctance
- Reluctant Companion
- Reluctant Marine: Holy Christian Empire 2495
- Reluctant Symbiosis
- Rem's Dream
- Remains
- Remains of the Dead
- Remake
- Rembeau en Colombie
- Remedium
- Remember the Starfighter
- Remembering the Future
- Remembrance
- Rememorations
- Rememory
- Remeon's Crusade
- Remington: Stargazer Alien Mail Order Brides #5 (Intergalactic Dating Agency)
- Remission Praxis
- Remnant
- Remnant Population
- Remnants
- Remnants: Volume One
- Remorse: Catgut
- Remote
- Remote Control
- Ren Dhark – Weg ins Weltall 87: Ausbruch aus der Existenz
- Renaissance planétaire
- Renaissances
- Renascence
- Rencontre avec les Aliens ou les Aliens qui nous entourent
- Rendan
- Rendered