Hard SF

1356 books

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

Treason at Helm's Deep
Treason at Helm's Deep
Kevin Barrett; Saul Peters
PG-13
A Darker Geometry
A Darker Geometry
Mark O. Martin; Gregory Benford
R
The Unwilling Dictator
The Unwilling Dictator
Jules Verne
PG-13
Flatland: A Romance of Many Dimensions
Flatland: A Romance of Many Dimensions
Edwin A. Abbott
G
Mindscan
Mindscan
Robert J. Sawyer
PG-13
Krokodil Tears
Krokodil Tears
Jack Yeovil
PG-13
You Can't Be Too Careful
You Can't Be Too Careful
H. G. Wells
PG-13
Dream Park
Dream Park
Larry Niven; Steven Barnes
PG-13
Moonfall
Moonfall
Jack McDevitt
PG-13
Crimson Kiss
Crimson Kiss
Trisha Baker
PG-13
Proxima
Proxima
Stephen Baxter
PG-13
The 34th Rule
The 34th Rule
Armin Shimerman; David George
PG-13
The Survivors of the Jonathan: Part 1: The Masterless Man
The Survivors of the Jonathan: Part 1: The Masterless Man
Jules Verne
PG-13
Patton's Spaceship
Patton's Spaceship
John Barnes
R
Carve the Sky
Carve the Sky
Alexander Jablokov
R
Hominids
Hominids
Robert J. Sawyer
PG
Coalescent
Coalescent
Stephen Baxter
PG-13
Orbital Resonance
Orbital Resonance
John Barnes
R
Blacklash
Blacklash
John Brunner
PG-13
Emperor Mollusk Versus The Sinister Brain
Emperor Mollusk Versus The Sinister Brain
A. Lee Martinez
PG-13
Hybrids
Hybrids
Robert J. Sawyer
PG-13
The Humboldt Effect
The Humboldt Effect
Delia Huddy
R
At the Eye of the Ocean
At the Eye of the Ocean
Hilbert Schenck
PG-13
The Lascar's Dagger
The Lascar's Dagger
Glenda Larke
PG-13
The Count of Chanteleine: A Tale of the French Revolution
The Count of Chanteleine: A Tale of the French Revolution
Jules Verne
PG-13
The Giant Raft: The Cryptogram
The Giant Raft: The Cryptogram
Jules Verne
PG-13
Moonlight
Moonlight
Rachel Hawthorne
PG-13
The Killing Star
The Killing Star
Charles Pellegrino; George Zebrowski
PG-13
Hot Time in Old Town
Hot Time in Old Town
Mike McQuay
R
Orion Among the Stars
Orion Among the Stars
Ben Bova
PG-13