R rated sci-fi books
5467 booksSci-fi books with mature content including explicit sex, graphic violence, or strong language. For adult readers.
The Valley of Horses
R
Containment: A Hostile Universe Novel
REmperor of the Borderlands (Book 3)
R
Void Sovereign: A LitRPG Apocalypse
R
The Warriors of Forever
RReborn as a Demonic Tree
RThe Rise of Magicks
RKinslayer
RStormdancer
R
Hunt for the Hero
RCompass Rose
R
The Fifth Book of Corum: The Oak and the Ram
R
George Orwell’s 1984: An Audible Original adaptation
R
The Providence of Fire
R
Taking Ground
R
Battle for Cannibal Island
R
Planet of Judgment
R
Wed to the Alien Warlord
R
MADDADDAM TRILOGY BOX: Oryx & Crake; The Year of the Flood; Maddaddam
RFive Years After
R
The Galactic Whirlpool
RSeveneves
R
The Savage Warriors
RThe Last Reaper: An Intergalactic Space Opera Adventure
R
The Curse of Khaine
R
Nightshade
R
The Klindrel Invasion
R
Frank Herbert's Dune Saga 3-Book Boxed Set: Dune, Dune Messiah, and Children of Dune
R
Rebellion
RHe Who Fights with Monsters 7
R