- R. A. Lafferty: Three Great Novels
- R. L. Saunders Satire Collection 01
- R.T.F.M.
- R.U.R. (Rossum's Universal Robots)
- Rabbitman 2: The Second of Scott
- Rabenaas
- Rabid Mind - The Anatomy
- Rabid Mind - The Dominion
- Racconti contorti da una mente obliqua
- Racconti dal Futuro
- Racconti dello spazio e del tempo
- Racconti di fantascienza orrore e misteri. Volume due
- Race Against Time
- Race Through Space
- Race Through Space III: The End of Time
- Race to Refuge
- Race to the Moon
- Races of Armis - Book 2 - Emerald Wings
- Rache aus dem Cyberspace
- Rachel In Love
- Rachel's Expansion
- Racing Dragons
- Racing Evil
- Racing the Orast Belt
- Racing the Sand & Konstantin: Two Short Stories
- Radiant
- Radiant Crossing
- Radiate
- RADICAL
- Radikálisok
- Radio Freefall
- Radio Nowhere
- Radko's War
- Rae
- Ragadeeman
- Rage of a Lost Sun (Lost Sun 0.5)
- Ragnarok
- Raid on Sullin
- Raider!
- Raiders From The Rings
- Raiders of the Lost World
- Raiders of the Universes
- Rail Gun
- Rain
- Rain's Gambit
- Rainbow Lights
- Raising Avon
- Raising Hell
- Rajani Chronicles II: Resistance
- Raketenmenschen greifen an!
- Ralestone Luck
- Ralph 124C 41+
- Ralph 124C 41+ (Sci-Fi Classic)
- Ralph 124C 41+: A Romance of the Year 2660
- Ram-2050
- Ramadan Alternatives
- Ramming Speed
- Ramses' Thunder
- Ramu
- Rand Hart and the Pajama Putsch
- Random Acts of Cloning: The Complete Series
- Random Acts of Senseless Violence
- Random Dingoes
- Random Sh*t Flying Through The Air
- Randor
- Randsteden deel 1, Carrière maken
- Randsteden deel 2, Onnatuurlijk
- Randsteden deel 3, Defragmentatie
- Randsteden deel 4, Mensplanten van Mars
- Randsteden deel 5, Levende fantasie
- Randsteden deel 6, Robotrace
- Randsteden deel 7, De urn
- Randwelten
- RangerKnights
- Ranis
- Ranking
- Ransom
- Rapier
- Rapito
- Rapport Geisterwelten
- Rapporti dal domani
- Raptor Squadron
- Raptor Threat
- Rapturous Pejoration
- Rare Earth
- Rare Species
- Rarity from the Hollow
- Rascals and Renegades
- Rastignac the Devil
- Rat Attack (The Old Store: Lost Tales 3)
- Rat In The Skull
- Rat Pirates
- Rate of Return
- Rath's Deception
- Rath's Gambit
- Rath's Reckoning
- Rats
- Rats and Goats in Space & Trees
- Rats! (A short story)
- Rattled Mind
- Raum-Commander
- Raumkreuzer ACHAMUR (I)
- Raumkreuzer ACHAMUR (II)
- Raumkreuzer ACHAMUR (III)
- Raumkrieger im Wurmloch: 6 Science Fiction Abenteuer auf 1660 Seiten
- Raumlotsen
- Raumschiff Promet - Von Stern zu Stern 35: Im Licht der drei Monde
- Raumschiff Promet - Von Stern zu Stern 36: Planet der Bestien
- Raumschiff RUBIKON 3 Die Perle Chardhin
- Raumschiff Rubikon 9 Das Erste Reich
- Raumschiff Terra Nova - Zwei Abenteuer: Die Stadt der Steine & Ferne Raumzeit
- Raumsprünge, das kleinere Weltall und andere fantastische Erzählungen
- Raven
- Raven Planet
- Raven Rising
- Raven Sharpe
- Raven's Children
- Raven: Girl Aflame
- Ravenheart
- Ravenhurst Manor
- Ravenstar's Bride
- Ravenstone (The Complete Saga)
- Ravenwood Stepson of Mystery in Trumpet of Triton