Hard SF

1309 books

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

Orion in the Dying Time
Orion in the Dying Time
Ben Bova
PG-13
The Web Between the Worlds
The Web Between the Worlds
Charles Sheffield
PG-13
First on the Moon
First on the Moon
Jeff Sutton
PG-13
Orphan of Creation: Contact with the Human Past
Orphan of Creation: Contact with the Human Past
Roger MacBride Allen
PG-13
King's Property
King's Property
Morgan Howell
PG-13
Shipwrecked in the Air
Shipwrecked in the Air
Jules Verne
PG
Hell Gate
Hell Gate
Elizabeth Massie
PG-13
A King of Infinite Space
A King of Infinite Space
Allen Steele
PG-13
David Starr: Space Ranger
David Starr: Space Ranger
Isaac Asimov
PG
The Bastaard Rebellion
The Bastaard Rebellion
G. Harry Stine
PG-13
Beneath the Gated Sky
Beneath the Gated Sky
Robert Reed
PG-13
The Desert of Ice
The Desert of Ice
Jules Verne
PG-13
The Fountains of Youth
The Fountains of Youth
Brian Stableford
PG-13
The Fur Country
The Fur Country
Jules Verne
G
The Ragged Astronauts
The Ragged Astronauts
Bob Shaw
PG-13
Jovian
Jovian
Donald Moffitt
PG-13
Orion and the Conqueror
Orion and the Conqueror
Ben Bova
PG-13
Second Game
Second Game
Charles V. De Vet; Katherine MacLean
PG-13
Contraband Rocket
Contraband Rocket
G. Harry Stine
PG-13
Hellstrom's Hive
Hellstrom's Hive
Frank Herbert
PG-13
First Citizen
First Citizen
Thomas T. Thomas
PG-13
Biohazard
Biohazard
Tim Curran
PG-13
The Siren
The Siren
Kiera Cass
PG-13
Aunt Jane's Nieces at Millville
Aunt Jane's Nieces at Millville
L. Frank Baum
PG
Don't Call Me Beanhead!
Don't Call Me Beanhead!
Susan Wojciechowski
R
Costigan's Needle
Costigan's Needle
Jerry Sohl
PG
Quantum Break: Zero State
Quantum Break: Zero State
Cam Rogers
PG-13
The Boy Next Door
The Boy Next Door
R. L. Stine
PG-13
Interference Powder
Interference Powder
Jean Hanff Korelitz
PG-13
Sundiver
Sundiver
David Brin
PG-13