- Red Shadows
- Red Sky
- Red Sky at Morning
- Red Star
- Red Tide
- Red Vengeance
- Red Wheels Turning
- Red#1: Burning Skies
- Red: #890000
- REDD: Down the Rabbit Hole
- Redemption
- Redemption Protocol
- Redemption Trail
- Redfish
- Redline Rebels
- Redliners
- Redliners, Second Edition
- Redtooth
- 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 Star Trail
- Refugees
- Refugio del viento
- Refund
- Refurbished
- Refém Frágil
- Refém Frágil
- Regaining Command: Command Series Book 3
- Regal Ruckus
- Regeneration Drug
- Regenesis
- Reggiecide
- Regine (Le Detentrici di Arantha Libro Secondo)
- Regreso a Belzagor
- Regreso al Edén
- Regress
- Rehabilitation
- Reign & Revolution
- Reign of Monsters
- ReImagination
- Reintegration
- Reis de todos os mundos possíveis
- Reise durch die Sonnenwelt
- Reise durch die Sonnenwelt: Science-Fiction-Klassiker
- Reise nach dem Mittelpunkt der Erde
- Reise um die Erde in 80 Tagen
- Reivindicada pelos Alfas
- Rejoins-moi
- 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
- Remake
- Rembeau en Colombie
- Remedium
- Remember the Starfighter
- Remembering the Future
- Remembrance
- Rememorations
- Rememory
- Remeon's Crusade
- Remission Praxis
- Remnant
- Remnant Population
- Remnants
- Remnants: Volume One
- Remorse: Catgut
- Remote
- Remote Control
- Ren Dhark – Weg ins Weltall 87: Ausbruch aus der Existenz
- Renaissances
- Renascence
- Rencontre avec les Aliens ou les Aliens qui nous entourent
- Rendan