Hard SF
1309 booksEvery hard sf book in our directory, with content ratings, trigger warnings, and age recommendations.
Manhattan Transfer
Manhattan Transfer
PG-13Pornucopia
Pornucopia
PGThe Harvest
The Harvest
PGFoundation's Fear
Foundation's Fear
PG-13Moonrise
Moonrise
RTom Swift and His Motor Cycle
Tom Swift and His Motor Cycle
GTom Swift and His Motor Boat
Tom Swift and His Motor Boat
PGTom Swift and His Airship
Tom Swift and His Airship
PGTom Swift and His Electric Runabout
Tom Swift and His Electric Runabout
PG-13Tom Swift and His Wireless Message
Tom Swift and His Wireless Message
GTom Swift Among the Diamond Makers
Tom Swift Among the Diamond Makers
GTom Swift in the Caves of Ice
Tom Swift in the Caves of Ice
PGTom Swift and His Sky Racer
Tom Swift and His Sky Racer
GTom Swift in the City of Gold
Tom Swift in the City of Gold
PGTom Swift and His Air Glider
Tom Swift and His Air Glider
PGTom Swift in Captivity
Tom Swift in Captivity
GTom Swift and His Great Searchlight
Tom Swift and His Great Searchlight
GTom Swift in the Land of Wonders
Tom Swift in the Land of Wonders
PGTom Swift and His War Tank
Tom Swift and His War Tank
GTom Swift and His Undersea Search
Tom Swift and His Undersea Search
GTom Swift Among the Fire Fighters
Tom Swift Among the Fire Fighters
GTom Swift and His Electric Locomotive
Tom Swift and His Electric Locomotive
GTom Swift and His Great Oil Gusher, or, The Treasure of Goby Farm
Tom Swift and His Great Oil Gusher, or, The Treasure of Goby Farm
PGTom Swift and His Chest of Secrets, or, Tracing the Stolen Inventions
Tom Swift and His Chest of Secrets, or, Tracing the Stolen Inventions
PGTom Swift and His Airline Express, or, From Ocean to Ocean by Daylight
Tom Swift and His Airline Express, or, From Ocean to Ocean by Daylight
GTom Swift and His Talking Pictures, or, The Greatest Invention on Record
Tom Swift and His Talking Pictures, or, The Greatest Invention on Record
GTom Swift and His House on Wheels, or, A Trip Around the Mountain of Mystery
Tom Swift and His House on Wheels, or, A Trip Around the Mountain of Mystery
PGTom Swift and His Big Dirigible, or, Adventures Over the Forest of Fire
Tom Swift and His Big Dirigible, or, Adventures Over the Forest of Fire
PGTom Swift and His Sky Train
Tom Swift and His Sky Train
PGThe Winds of Altair
The Winds of Altair
PG-13