Hard SF

1356 books

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

The Sands of Time
The Sands of Time
Michael Hoeye
PG-13
The Blue Aura
The Blue Aura
Hugh Walters
PG-13
Foundation's Triumph
Foundation's Triumph
David Brin
PG-13
The Caves of Drach
The Caves of Drach
Hugh Walters
PG-13
Ring
Ring
Stephen Baxter
PG-13
Twenty Thousand Leagues Under the Seas
Twenty Thousand Leagues Under the Seas
Jules Verne
PG-13
Exiles
Exiles
Alex Irvine
PG-13
Dark Moods
Dark Moods
Charlee Jacob
PG
Search for the Star
Search for the Star
Mary Stanton
PG-13
The Last Disaster
The Last Disaster
Hugh Walters
PG-13
Mystery of the Secret Marks
Mystery of the Secret Marks
Nancy Garden
PG-13
Crawlers
Crawlers
Andrew Matthews
R
The Wealth of Mr. Waddy
The Wealth of Mr. Waddy
H. G. Wells
R
Wonder
Wonder
Robert J. Sawyer
PG-13
Isaac Asimov's Caliban
Isaac Asimov's Caliban
Roger MacBride Allen
PG-13
Infinity's Shore
Infinity's Shore
David Brin
R
Norby Finds a Villain
Norby Finds a Villain
Isaac Asimov; Janet Asimov
PG
The World at the End of Time
The World at the End of Time
Frederik Pohl
PG
The Godborn
The Godborn
Paul S. Kemp
PG-13
Betrayer of Worlds
Betrayer of Worlds
Larry Niven; Edward M. Lerner
PG-13
Lion's Blood
Lion's Blood
Steven Barnes
PG-13
Far-Seer
Far-Seer
Robert J. Sawyer
PG-13
The Light of Other Days
The Light of Other Days
Arthur C. Clarke; Stephen Baxter
PG
Centre of Gravity
Centre of Gravity
Ian Douglas
PG-13
Breach Zone
Breach Zone
Myke Cole
PG-13
The Spawning
The Spawning
Tim Curran
PG-13
Adrift in the Pacific: Two Years Holiday
Adrift in the Pacific: Two Years Holiday
Jules Verne
PG-13
Heaven's Reach
Heaven's Reach
David Brin
R
The Star Conquerors
The Star Conquerors
Ben Bova
G
The Peace War
The Peace War
Vernor Vinge
PG-13