Hard SF

1309 books

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

The 11th Plague
The 11th Plague
L. T. Peters
PG-13
The Food of the Gods and How It Came to Earth
The Food of the Gods and How It Came to Earth
H. G. Wells
PG-13
Double Full Moon Night
Double Full Moon Night
Gentry Lee
PG
War Dogs
War Dogs
Greg Bear
PG-13
Heaven's War
Heaven's War
Michael Cassutt; David S. Goyer
PG-13
Hull Zero Three
Hull Zero Three
Greg Bear
PG-13
As on a Darkling Plain
As on a Darkling Plain
Ben Bova
PG
Firefly Island
Firefly Island
Daniel Arenson
PG-13
Cradle
Cradle
Arthur C. Clarke; Gentry Lee
PG
The Lost Worlds of Cronus
The Lost Worlds of Cronus
Colin Kapp
PG-13
Regarding Ducks and Universes
Regarding Ducks and Universes
Neve Maslakovic
PG-13
Exiled from Earth
Exiled from Earth
Ben Bova
R
The Hormone Jungle
The Hormone Jungle
Robert Reed
PG-13
A Deeper Sea
A Deeper Sea
Alexander Jablokov
PG-13
Reckoning Infinity
Reckoning Infinity
John E. Stith
PG-13
A Rose for Armageddon
A Rose for Armageddon
Hilbert Schenck
PG-13
The Ranger Boys in Space
The Ranger Boys in Space
Hal Clement
PG
Paris in the Twentieth Century
Paris in the Twentieth Century
Jules Verne
PG-13
A Floating City
A Floating City
Jules Verne
PG-13
The Boy Who Saved Christmas
The Boy Who Saved Christmas
Vincent McDonnell
PG-13
If the Stars Are Gods
If the Stars Are Gods
Gregory Benford; Gordon Eklund
PG-13
The Harrad Experiment
The Harrad Experiment
Robert H. Rimmer
PG-13
The Rapture of the Nerds
The Rapture of the Nerds
Cory Doctorow; Charles Stross
PG-13
Rogue Powers
Rogue Powers
Roger MacBride Allen
R
The Nimrod Hunt
The Nimrod Hunt
Charles Sheffield
R
Shapeshifter
Shapeshifter
J. F. Gonzalez
PG-13
The Remarkables
The Remarkables
Robert Reed
R
The Blotting Book
The Blotting Book
E. F. Benson
PG-13
Eutopia
Eutopia
David Nickle
PG-13
The Journal of Professor Abraham Van Helsing
The Journal of Professor Abraham Van Helsing
Allen C. Kupfer
PG