Adult 18+ sci-fi books

31474 books

Three Great Lies
Three Great Lies
Vanessa MacLellan
PG-13
After the Fall
After the Fall
Morgan O'Neill
PG-13
Tipping Point
Tipping Point
David Poyer
PG-13
Frontier Strike
Frontier Strike
David Thompson
PG-13
Game of Clones
Game of Clones
M. E. Castle
PG-13
Starless Night
Starless Night
R. A. Salvatore
PG-13
A Curse Unbroken
A Curse Unbroken
Cecy Robson
PG-13
The Mysterious Ambassador
The Mysterious Ambassador
Lee Falk
PG-13
Continuum
Continuum
Peter Ward
PG-13
Gone Girl
Gone Girl
Gillian Flynn
PG-13
Pursued
Pursued
Evangeline Anderson
PG-13
Blindsided
Blindsided
Jeff Carlson
PG-13
Chasing Freedom
Chasing Freedom
Marina Fontaine
PG-13
Heaven and Earth
Heaven and Earth
Nora Roberts
PG
Apocalypse Dawn
Apocalypse Dawn
Mel Odom
PG-13
Brass Man
Brass Man
Neal Asher
PG-13
The Way of Shadows
The Way of Shadows
Brent Weeks
R
Night's Pleasure
Night's Pleasure
Amanda Ashley
PG-13
The Robot King
The Robot King
Hilary Badger
PG-13
Jupiter War
Jupiter War
Neal Asher
PG-13
Body & Soul
Body & Soul
Jordan Castillo Price
PG-13
American Survivor
American Survivor
A. J. Newman
PG-13
The Second Voyage of the Seventh Carrier
The Second Voyage of the Seventh Carrier
Peter Albano
PG-13
Infinity Hold
Infinity Hold
Barry B. Longyear
PG-13
The Crystal Singer
The Crystal Singer
Anne McCaffrey
PG-13
Bertie and May
Bertie and May
Bertha Stemm Norton; Andre Norton
PG-13
Master's Challenge
Master's Challenge
Richard Sapir; Warren Murphy
R
The Forever War
The Forever War
Joe Haldeman
R
Forever Free
Forever Free
Joe Haldeman
R
Invader on My Back
Invader on My Back
Philip E. High
PG-13