Hard SF

1309 books

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

Point UltimateJerry Sohl
Point Ultimate
Jerry Sohl
PG-13
The Odious OnesJerry Sohl
The Odious Ones
Jerry Sohl
PG-13
Night SlavesJerry Sohl
Night Slaves
Jerry Sohl
PG-13
One Against HerculumJerry Sohl
One Against Herculum
Jerry Sohl
PG-13
The AnomalyJerry Sohl
The Anomaly
Jerry Sohl
PG-13
Death SleepJerry Sohl
Death Sleep
Jerry Sohl
PG-13
OmnivorePiers Anthony
Omnivore
Piers Anthony
PG
OrnPiers Anthony
Orn
Piers Anthony
PG
OXPiers Anthony
OX
Piers Anthony
PG
To Save the SunBen Bova; A. J. Austin
To Save the Sun
Ben Bova; A. J. Austin
R
To Fear the LightBen Bova; A. J. Austin
To Fear the Light
Ben Bova; A. J. Austin
PG-13
Fossil HunterRobert J. Sawyer
Fossil Hunter
Robert J. Sawyer
PG-13
The Transmigration of SoulsWilliam Barton
The Transmigration of Souls
William Barton
R
BattlecryJohn Barnes
Battlecry
John Barnes
PG-13
Union FiresJohn Barnes
Union Fires
John Barnes
PG-13
Infinity's ShoreDavid Brin
Infinity's Shore
David Brin
R
Double Full Moon NightGentry Lee
Double Full Moon Night
Gentry Lee
PG
StarplexRobert J. Sawyer
Starplex
Robert J. Sawyer
PG-13
Tomorrow and TomorrowCharles Sheffield
Tomorrow and Tomorrow
Charles Sheffield
R
Salamander's FireBrian Stableford
Salamander's Fire
Brian Stableford
R
World of PtavvsLarry Niven
World of Ptavvs
Larry Niven
PG-13
The Patchwork GirlLarry Niven
The Patchwork Girl
Larry Niven
PG-13
The WildDavid Zindell
The Wild
David Zindell
R
Blood BrothersSteven Barnes
Blood Brothers
Steven Barnes
PG-13
Acts of ConscienceWilliam Barton
Acts of Conscience
William Barton
PG
Nebula MakerOlaf Stapledon
Nebula Maker
Olaf Stapledon
PG-13
ScapescopeJohn E. Stith
Scapescope
John E. Stith
R
Memory BlankJohn E. Stith
Memory Blank
John E. Stith
PG-13
Death TollsJohn E. Stith
Death Tolls
John E. Stith
R
The Winds of AltairBen Bova
The Winds of Altair
Ben Bova
PG-13