Hard SF

1309 books

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

A Honeymoon in Space
A Honeymoon in Space
George Griffith
PG-13
The River
The River
Jean Sutton; Jeff Sutton
PG-13
Washington's Dirigible
Washington's Dirigible
John Barnes
PG-13
Lucky Starr and the Rings of Saturn
Lucky Starr and the Rings of Saturn
Isaac Asimov
PG
Manalone
Manalone
Colin Kapp
PG-13
Star-BegottenH. G. Wells
Star-Begotten
H. G. Wells
PG-13
Realtime Interrupt
Realtime Interrupt
James P. Hogan
PG-13
Time's Eye
Time's Eye
Arthur C. Clarke; Stephen Baxter
PG
LegacyDebbie Viguié; Nancy Holder
Legacy
Debbie Viguié; Nancy Holder
R
Knock on Wood
Knock on Wood
Esther M. Friesner
R
Angel Child: A Novel Based on a True Story
Angel Child: A Novel Based on a True Story
Zoe Parry; Jacqueline Austin
R
B.E.A.S.T.
B.E.A.S.T.
Charles Eric Maine
PG-13
Twenty Thousand Leagues Under the SeaJules Verne
Twenty Thousand Leagues Under the Sea
Jules Verne
PG-13
Stormriders
Stormriders
Roxanne Longstreet
PG-13
Fifteen Months in the Moon: Giving a Full Description of its Inhabitants; Their Appearance; Customs; Laws; Modes of Locomotion; Animals; Plants; &c.G. H. Ryan
Fifteen Months in the Moon: Giving a Full Description of its Inhabitants; Their Appearance; Customs; Laws; Modes of Locomotion; Animals; Plants; &c.
G. H. Ryan
PG-13
A Trip to the Moon: Containing an Account of the Island of Noibla, Its Inhabitants, Religious and Political Customs, &c.Sir Humphrey Lunatic, Bart.
A Trip to the Moon: Containing an Account of the Island of Noibla, Its Inhabitants, Religious and Political Customs, &c.
Sir Humphrey Lunatic, Bart.
PG-13
The Flying Boys; or, Three Thousand Miles on WingsWilliam Harrison Dennett
The Flying Boys; or, Three Thousand Miles on Wings
William Harrison Dennett
PG-13
Behemoth: ß-MaxPeter Watts
Behemoth: ß-Max
Peter Watts
G
The Eagle and the CrossGregory Benford
The Eagle and the Cross
Gregory Benford
PG-13
The Four Wishes
The Four Wishes
Charles Nightingale; Dominique Nightingale
PG-13
Tom Swift and His House on Wheels, or, A Trip Around the Mountain of MysteryHoward R. Garis
Tom Swift and His House on Wheels, or, A Trip Around the Mountain of Mystery
Howard R. Garis
PG
Tom Swift and His Undersea Search
Tom Swift and His Undersea Search
Howard R. Garis
G
Tom Swift in the Land of Wonders
Tom Swift in the Land of Wonders
Howard R. Garis
PG
Tom Swift and His Great Oil Gusher, or, The Treasure of Goby FarmHoward R. Garis
Tom Swift and His Great Oil Gusher, or, The Treasure of Goby Farm
Howard R. Garis
PG
Tom Swift Among the Fire Fighters
Tom Swift Among the Fire Fighters
Howard R. Garis
G
Tom Swift and His Great SearchlightHoward R. Garis
Tom Swift and His Great Searchlight
Howard R. Garis
G
Tom Swift in Captivity
Tom Swift in Captivity
Howard R. Garis
G
Tom Swift in the City of Gold
Tom Swift in the City of Gold
Howard R. Garis
PG
Time ... to Begin
Time ... to Begin
Johnnie Clay
PG-13
Tom Swift in the Caves of Ice
Tom Swift in the Caves of Ice
Howard R. Garis
PG