Hard SF

1309 books

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

Death Sleep
Death Sleep
Jerry Sohl
PG-13
Aton
Aton
Irving A. Greenfield
PG-13
Chiller
Chiller
Gregory Benford
R
The Black Flame
The Black Flame
Stanley G. Weinbaum
G
CUSP
CUSP
Robert A. Metzger
PG
The Alien Factor
The Alien Factor
Stan Lee; Stan Timmons
PG-13
The Adventures of Three Englishmen and Three Russians in Southern Africa
The Adventures of Three Englishmen and Three Russians in Southern Africa
Jules Verne
PG
The Death Machine
The Death Machine
Ron Goulart
PG-13
Dead Morn
Dead Morn
Piers Anthony; Roberto Fuentes
PG
Star Light
Star Light
Hal Clement
PG
Lifekeeper
Lifekeeper
Mike McQuay
PG-13
One Million Tomorrows
One Million Tomorrows
Bob Shaw
R
Mars, Inc.
Mars, Inc.
Ben Bova
PG-13
A Matter of Metalaw
A Matter of Metalaw
G. Harry Stine
PG-13
Homeplace
Homeplace
Elizabeth Massie
G
Out of the Sun
Out of the Sun
Ben Bova
PG-13
Oceanspace
Oceanspace
Allen Steele
PG-13
The Abyss
The Abyss
Steve Vance
PG-13
The Sea Lady
The Sea Lady
H. G. Wells
PG-13
The Green Hornet: The Case of the Disappearing Doctor
The Green Hornet: The Case of the Disappearing Doctor
Brandon Keith
PG-13
The Sea Serpent
The Sea Serpent
Jules Verne
PG-13
The Last Theorem
The Last Theorem
Arthur C. Clarke; Frederik Pohl
G
Jupiter Project
Jupiter Project
Gregory Benford
R
Widow's Walk
Widow's Walk
Eric Griffin
PG-13
Omnifix
Omnifix
Scott Mackay
G
The Demon of Cawnpore
The Demon of Cawnpore
Jules Verne
PG-13
Caverns of the Moon
Caverns of the Moon
Patrick Moore
PG
As the Curtain Falls
As the Curtain Falls
Rob Chilson
PG-13
Captives of the Moon
Captives of the Moon
Patrick Moore
PG
Life on the Preservation
Life on the Preservation
Jack Skillingstead
PG-13