Adult 18+ sci-fi books

30997 books

An Aria for Ragnarok
An Aria for Ragnarok
Anthony Ryan
PG-13
Kingsley
Kingsley
Carolyn O'Neal
PG-13
One-Man Army
One-Man Army
John Cutter
R
Starclash
Starclash
Ron Collins
PG-13
City of Phants
City of Phants
Isaac Hooke
R
Okla Hannali
Okla Hannali
R. A. Lafferty
PG
The Ring of the Nibelung
The Ring of the Nibelung
Ul de Rico
PG-13
Shock Diamonds
Shock Diamonds
E. R. Mason
PG-13
Like Stars in Heaven
Like Stars in Heaven
Eric Thomson
R
The Shadow
The Shadow
Sylvain Reynard
PG-13
Rise of the Ragged Clover
Rise of the Ragged Clover
Paul Durham
PG-13
Burned
Burned
Benedict Jacka
PG-13
Ambition
Ambition
Yoshiki Tanaka
PG-13
Double Trouble
Double Trouble
Tia Mowry; Tamera Mowry
PG-13
Eden's Escape
Eden's Escape
M. Tara Crowl
PG-13
Liberty
Liberty
Darcy Pattison
PG-13
Blood for Blood
Blood for Blood
Ryan Graudin
PG-13
Fearful Symmetry
Fearful Symmetry
C. F. Dunn
PG-13
Ravenor Rogue
Ravenor Rogue
Dan Abnett
R
The Player of Games
The Player of Games
Iain M. Banks
R
Coalition's End
Coalition's End
Karen Traviss
PG-13
The Clockwork Twin
The Clockwork Twin
Walter R. Brooks
PG-13
Siege & Survival
Siege & Survival
T. W. Brown
R
Nothing Left to Ooze
Nothing Left to Ooze
John Kloepfer
PG-13
Merlyn
Merlyn
Jack Whyte
PG-13
Fires of Man
Fires of Man
Dan Levinson
PG-13
People of the Morning Star
People of the Morning Star
Kathleen O'Neal Gear; W. Michael Gear
R
The Fixer of God's Ways
The Fixer of God's Ways
Irina Syromyatnikova
PG-13
Little Dead Riding Hood
Little Dead Riding Hood
Amie Borst; Bethanie Borst
PG-13
Clifton Falls
Clifton Falls
L A Taylor
PG-13