Adult 18+ sci-fi books

30978 books

Parallel
Parallel
Christy Elkins
PG-13
Divided
Divided
Shawn Lamb
PG-13
Zane: The Inferno
Zane: The Inferno
Elaine Barris
PG-13
January's Paradigm
January's Paradigm
J. Conrad Guest
PG-13
The Weaving
The Weaving
Gerald Costlow
R
The Adventures of Charlie & Moon
The Adventures of Charlie & Moon
Martin Meader
PG-13
Thin Reflections
Thin Reflections
Graeme K. Talboys
PG-13
The Warlords of Andromeda
The Warlords of Andromeda
Dean C. Moore
PG-13
Exile and Pilgrim
Exile and Pilgrim
Graeme K. Talboys
PG-13
Return of the Father
Return of the Father
Shane Moore
PG-13
A Diplodocus Trampled My Teepee
A Diplodocus Trampled My Teepee
Nick Falk
PG-13
Into the Horsebutt Nebula
Into the Horsebutt Nebula
Chet Gottfried
PG
Changa's Safari Volume Three
Changa's Safari Volume Three
Milton J. Davis
PG-13
Uncivil Wars
Uncivil Wars
Wendi Kelly; Deborah Dorchak
R
Morningstars
Morningstars
Nick Kisella
PG-13
Reclaim
Reclaim
Jesse Booth; Joanna Reeder
PG-13
Little Orphan Anvil: The Shades of Fate
Little Orphan Anvil: The Shades of Fate
Joseph Beekman
PG-13
Summer of Love
Summer of Love
Lisa Mason
R
How I Met My Alien Bitch Lover
How I Met My Alien Bitch Lover
Eric M. Witchey
PG-13
Hellflower
Hellflower
Rosemary Edghill
R
The Intergalactic Omniglot
The Intergalactic Omniglot
Jenni Fleetwood
R
Protectors of the Flame
Protectors of the Flame
Maria Burke
PG-13
The Mystery of Lost Valley
The Mystery of Lost Valley
Manly Wade Wellman
R
Time in Mind
Time in Mind
Kathlyn S. Starbuck
PG-13
Bonny Starr and the Riddles of Time
Bonny Starr and the Riddles of Time
Gwen Grant
R
Blind Justice
Blind Justice
Erik Scott de Bie
PG-13
Book 2: The World Below
Book 2: The World Below
Kevin Andrew Murphy
R
Unholy War: The Brandenburgers
Unholy War: The Brandenburgers
Larry Brasington
PG-13
White War
White War
Charlie Carter
PG-13
A Glass Darkly
A Glass Darkly
Ariana Overton; Max Overton
PG-13