Hard SF

1309 books

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

The Boy Inventors' Flying Ship
The Boy Inventors' Flying Ship
Richard Bonner
PG-13
The Rule Changer
The Rule Changer
Patricia Bernard
PG-13
Mendelian Threshold
Mendelian Threshold
Robert Humphrey
PG-13
A Journey to the Center of the Earth
A Journey to the Center of the Earth
Jules Verne
PG-13
Tom Swift and His Sky Racer
Tom Swift and His Sky Racer
Howard R. Garis
G
Tom Swift and His Motor Boat
Tom Swift and His Motor Boat
Howard R. Garis
PG
Two Young Inventors: The Story of a Flying Boat
Two Young Inventors: The Story of a Flying Boat
Alvah Milton Kerr
PG-13
Star Bores
Star Bores
Steve Tymon; Bruce Balfour
PG-13
Travel ScholarshipsJules Verne
Travel Scholarships
Jules Verne
PG-13
Adrift in the Pacific
Adrift in the Pacific
Jules Verne
PG-13
We, the WomenPatricia Shaw Mathews
We, the Women
Patricia Shaw Mathews
PG-13
Joan and Peter II: The Story of a Great Schoolmaster
Joan and Peter II: The Story of a Great Schoolmaster
H. G. Wells
PG-13
The Light of Lilith
The Light of Lilith
G. McDonald Wallis
R
The Snake Mother
The Snake Mother
A. Merritt
PG-13
Fate of Worlds: Return from the Ringworld
Fate of Worlds: Return from the Ringworld
Larry Niven; Edward M. Lerner
PG-13
Vril, The Power of the Coming Race
Vril, The Power of the Coming Race
Edward Bulwer-Lytton
PG-13
Talons of ScorpioAlan Burt Akers
Talons of Scorpio
Alan Burt Akers
PG-13
Courtship Rite
Courtship Rite
Donald Kingsbury
PG
The Obsidian Blade
The Obsidian Blade
Richard Lee Byers
PG-13
The Apple Stone
The Apple Stone
Nicholas Stuart Gray
R
Kipton on Phobos
Kipton on Phobos
Charles L. Fontenay
PG-13
Feast of the King's ShadowChaz Brenchley
Feast of the King's Shadow
Chaz Brenchley
PG
World of Ptavvs
World of Ptavvs
Larry Niven
PG-13
Death's Messenger
Death's Messenger
Alex Stewart
R
Young Frank Reade and His Electric Air Ship; or, A 10,000 Mile Search for a Missing Manunknown
Young Frank Reade and His Electric Air Ship; or, A 10,000 Mile Search for a Missing Man
unknown
PG-13
Junkie
Junkie
William Burroughs
PG-13
Bealby; a Holiday
Bealby; a Holiday
H. G. Wells
PG-13
Zuleika Dobson: or An Oxford Love Story
Zuleika Dobson: or An Oxford Love Story
Max Beerbohm
PG-13
Carpathian Castle
Carpathian Castle
Jules Verne
PG-13
North Against South
North Against South
Jules Verne
PG