Adult 18+ sci-fi books

31474 books

Dark Wolf Returning
Dark Wolf Returning
Rhyannon Byrd
PG-13
Psion Delta
Psion Delta
Jacob Gowans
PG-13
Unexpected Mates
Unexpected Mates
Brenna Lyons
PG-13
I, Phone
I, Phone
David Wake
PG-13
The Rising of the Shield Hero Vol. 02
The Rising of the Shield Hero Vol. 02
Aneko Yusagi
PG-13
The War of the Worlds (Abridged)
The War of the Worlds (Abridged)
H. G. Wells
PG-13
Generation M
Generation M
Scott Cramer
PG-13
Warrior
Warrior
Joanne Wadsworth
PG-13
Dwellers of Darkness
Dwellers of Darkness
Stacey Marie Brown
PG-13
Searching for Super
Searching for Super
Marion Jensen
PG-13
The Bleak December
The Bleak December
Kevin G. Summers
PG-13
Flanders
Flanders
Patricia Anthony
R
The Book of Life
The Book of Life
Deborah Harkness
PG-13
Dance Upon the Air
Dance Upon the Air
Nora Roberts
R
Bolo Rising
Bolo Rising
William H. Keith, Jr.
R
Everwild
Everwild
Neal Shusterman
PG-13
Seven Crows
Seven Crows
John Vornholt
PG-13
Anvil Gate
Anvil Gate
Karen Traviss
R
The Only Game in the Galaxy
The Only Game in the Galaxy
Paul Collins
PG-13
Wolf Dancer
Wolf Dancer
Rachel M. Raithby
PG-13
House of Robots
House of Robots
Chris Grabenstein; James Patterson
PG-13
Pale Fallen Angel, Part 1
Pale Fallen Angel, Part 1
Hideyuki Kikuchi
PG-13
The Rising of the Shield Hero Vol. 03
The Rising of the Shield Hero Vol. 03
Aneko Yusagi
PG-13
First & Only
First & Only
Dan Abnett
R
In the Heart of Darkness
In the Heart of Darkness
David Drake; Eric Flint
PG-13
Mind Changer
Mind Changer
James White
PG-13
The Big Kiss
The Big Kiss
O'Neil De Noux
PG-13
The Missing Persons League
The Missing Persons League
Frank Bonham
PG-13
Candlemas Eve
Candlemas Eve
Jeffrey Sackett
PG-13
Day of Judgment
Day of Judgment
Frank Rich
PG