Hard SF

1309 books

Every hard sf book in our directory, with content ratings, trigger warnings, and age recommendations.

An Exaltation of Larks
An Exaltation of Larks
Robert Reed
PG
Interference Powder
Interference Powder
Jean Hanff Korelitz
PG-13
Biohazard
Biohazard
Tim Curran
PG-13
Nightmare Park
Nightmare Park
Linda Hoy
R
Shipstar
Shipstar
Gregory Benford; Larry Niven
PG-13
Operation Iron Fist
Operation Iron Fist
G. Harry Stine
PG-13
Ancient Shores
Ancient Shores
Jack McDevitt
R
Gangs of Antares
Gangs of Antares
Alan Burt Akers
PG-13
First Citizen
First Citizen
Thomas T. Thomas
PG-13
Quantum Break: Zero State
Quantum Break: Zero State
Cam Rogers
PG-13
Brain Wave
Brain Wave
Poul Anderson
PG-13
Summertide
Summertide
Charles Sheffield
PG-13
Initial Vector
Initial Vector
Greg Rucka
PG
Back from the Dead
Back from the Dead
Nick Kyme
PG-13
Raft
Raft
Stephen Baxter
PG-13
Beyond This Horizon
Beyond This Horizon
Robert A. Heinlein
PG
Gypsies
Gypsies
Robert Charles Wilson
R
Weaver
Weaver
Stephen Baxter
G
Ultima
Ultima
Stephen Baxter
PG-13
Cesar Cascabel
Cesar Cascabel
Jules Verne
PG-13
Witchling
Witchling
Yasmine Galenorn
R
The Big Sun of Mercury
The Big Sun of Mercury
Isaac Asimov
PG
Iron Winter
Iron Winter
Stephen Baxter
PG-13
Deep, Very Deep Space
Deep, Very Deep Space
Joseph Nathenson
PG
A Small Percentage: A Dark Tale of Alien Invasion
A Small Percentage: A Dark Tale of Alien Invasion
Jim Cline
PG-13
Iceworld
Iceworld
Hal Clement
PG
Memory of Fire
Memory of Fire
Holly Lisle
PG-13
Second Contact
Second Contact
G. Harry Stine
PG-13
The Medusa Encounter
The Medusa Encounter
Paul Preuss
R
Silent Runners: A Sampler
Silent Runners: A Sampler
Helen E. Davis
PG-13