Adult 18+ sci-fi books

30997 books

Barrayar
Barrayar
Lois McMaster Bujold
PG-13
Shards of History
Shards of History
Rebecca Roland
PG-13
The Morrigan's Curse
The Morrigan's Curse
Dianne K. Salerni
PG-13
Fallen Angel
Fallen Angel
Amanda McIntyre
PG-13
Extinction Evolution
Extinction Evolution
Nicholas Sansbury Smith
PG-13
Boundary Born
Boundary Born
Melissa F. Olson
R
Isadora Moon Goes Camping
Isadora Moon Goes Camping
Harriet Muncaster
PG-13
Set This House in Order: A Romance of Souls
Set This House in Order: A Romance of Souls
Matt Ruff
R
The Tenant
The Tenant
Charles West
R
Kushiel's Chosen
Kushiel's Chosen
Jacqueline Carey
Hard R
State of Ruin
State of Ruin
Peggy Martinez
PG-13
The Three Little Pugs
The Three Little Pugs
Noah Z. Jones
PG-13
Amphibians' End
Amphibians' End
Trevor Pryce; Joel Naftali
PG-13
Wicked Edge
Wicked Edge
Rebecca Zanetti
PG-13
Genesis
Genesis
Michael Stephen Fuchs
PG-13
Recce
Recce
Phillip Richards
R
Swan Song
Swan Song
Robert R. McCammon
PG
Wicked Burn
Wicked Burn
Rebecca Zanetti
PG-13
The Terran Privateer
The Terran Privateer
Glynn Stewart
PG-13
Dinosaur Hideout
Dinosaur Hideout
Judith Silverthorne
PG-13
His Last Command
His Last Command
Dan Abnett
PG-13
The Generals
The Generals
W. E. B. Griffin
R
Musrum
Musrum
Eric Thacker; Anthony Earnshaw
PG-13
Nessie and the Viking Gold
Nessie and the Viking Gold
Lois June Wickstrom; Jean Lorrah
PG-13
Lion's Heat
Lion's Heat
Lora Leigh
PG-13
Quid Pro Quo
Quid Pro Quo
Manna Francis
PG-13
Pariah: Ravenor vs Eisenhorn
Pariah: Ravenor vs Eisenhorn
Dan Abnett
R
Iron Jackal
Iron Jackal
Chris Wooding
PG-13
Lilac Attack!
Lilac Attack!
Sophie Bell
PG-13
The Grimjinx Rebellion
The Grimjinx Rebellion
Brian Farrey
R