Adult 18+ sci-fi books

30997 books

The Telling Stone
The Telling Stone
Maureen Doyle McQuerry
PG-13
The Maltese Vengeance
The Maltese Vengeance
John Cutter
PG-13
The Vendetta
The Vendetta
John Cutter
PG-13
Vengeance Mountain
Vengeance Mountain
John Cutter
PG-13
The Secret of NIMH
The Secret of NIMH
Robert C. O'Brien
PG-13
The Tragic Empire
The Tragic Empire
Wil Radcliffe
PG-13
The Vimana Incident
The Vimana Incident
Rose LaCroix
R
Welcome to Sarnia
Welcome to Sarnia
Jan Musil
PG-13
The Curse of the Snake
The Curse of the Snake
Guy Boothby
PG-13
Will to Survive
Will to Survive
Eric Walters
PG-13
Floodtide
Floodtide
Helen Claire Gould
PG-13
A Line in the Sand
A Line in the Sand
K. A. Stewart
PG-13
Mariah's Dream
Mariah's Dream
Grace Bridges
PG-13
The Beginning
The Beginning
Michael R. Nardo
PG-13
The Amazing Vacation
The Amazing Vacation
Dan Wickenden
PG-13
Firelord
Firelord
Michael Scott
PG-13
The Secret of the Fairies
The Secret of the Fairies
Thea Stilton
PG-13
The Omnivore Wars
The Omnivore Wars
Duncan McGeary
PG-13
Directive 17
Directive 17
Scott Nicholson
PG-13
The Shadow Within
The Shadow Within
Karen Hancock
R
Age of Druids
Age of Druids
India Drummond
PG-13
Pagan Moon
Pagan Moon
Freda Warrington
R
Dragon Fury
Dragon Fury
Jonathan Moeller
PG-13
Raised in Fire
Raised in Fire
K. F. Breene
PG-13
The Darkling Wind
The Darkling Wind
S. P. Somtow
R
The Hitchhiker's Guide to the Galaxy: Quandary Phase
The Hitchhiker's Guide to the Galaxy: Quandary Phase
Douglas Adams
PG
The Magma Conspiracy
The Magma Conspiracy
Alex Milway
PG-13
Assault of the Super Carrier
Assault of the Super Carrier
Peter Albano
PG-13
Skarsnik
Skarsnik
Guy Haley
R
East of Ecstasy
East of Ecstasy
Laura Kaye
PG-13