Adult 18+ sci-fi books

31370 books

The Serenity Strain
The Serenity Strain
Chris Pourteau
PG-13
Hearts and Minds
Hearts and Minds
Joe Nobody
PG-13
Iron Earth, Copper Sky
Iron Earth, Copper Sky
Yashar Kemal
PG-13
Celeste
Celeste
Johnny Worthen
PG-13
The Broken Path
The Broken Path
Erin Hunter
PG-13
The Talking Parcel
The Talking Parcel
Gerald Durrell
PG-13
The Highlander's Vow
The Highlander's Vow
Barbara Longley
R
Blood and Frost
Blood and Frost
Scott Nicholson
PG-13
Incapable
Incapable
L. J. Baker
PG-13
Raven and Skull
Raven and Skull
Ashley Lister
PG-13
Roaring Dawn
Roaring Dawn
Colleen Gleason
PG-13
Fortress Earth
Fortress Earth
Vaughn Heppner
R
Harsh Gods
Harsh Gods
Michelle Belanger
PG-13
The Wall of Storms
The Wall of Storms
Ken Liu
PG-13
Call to Arms
Call to Arms
W. E. B. Griffin
PG-13
The Shadow Queen
The Shadow Queen
Anne Bishop
R
Grace and Beauty
Grace and Beauty
Rue Volley
PG-13
Darkest Designs
Darkest Designs
Dale Mayer
PG-13
All That Lives Must Die
All That Lives Must Die
Eric Nylund
PG-13
Indebted
Indebted
Amy A. Bartol
PG-13
His Fire Maiden
His Fire Maiden
Michelle M. Pillow
PG-13
The Salt War
The Salt War
Joe Nobody
R
The Final Battle
The Final Battle
Stuart Daly
R
Alien Arcana
Alien Arcana
Glynn Stewart
PG-13
The Toymaker
The Toymaker
Joe Nobody
PG-13
The Miracle of the Bells
The Miracle of the Bells
Russell Janney
PG-13
Footprints
Footprints
Glynn James
PG-13
Karadon
Karadon
S. J. MacDonald
PG-13
Memory in Death
Memory in Death
J. D. Robb
R
The Hitchhiker's Guide to the Galaxy: Tertiary Phase
The Hitchhiker's Guide to the Galaxy: Tertiary Phase
Douglas Adams
PG