Hard SF
1307 booksThe best hard sf books in our directory, ranked by reader rating. Every title carries a content rating, age recommendation, and trigger warnings, so you know exactly what you're picking up before you start reading.
The Flying Boys; or, Three Thousand Miles on Wings
PG-13A Trip to the Moon: Containing an Account of the Island of Noibla, Its Inhabitants, Religious and Political Customs, &c.
PG-13Manalone
PG-13Fifteen Months in the Moon: Giving a Full Description of its Inhabitants; Their Appearance; Customs; Laws; Modes of Locomotion; Animals; Plants; &c.
PG-13Jaguar
PG-13All Aboard for Ararat
PG-13Crisis 2000
PG-13The White Witch of Mayfair
PG-13A Criminal Croesus
GUnder the Black Ensign
PG-13Footsteps of Angels
PG-13A Journey to the North Pole
PG-13Twenty Thousand Leagues Under the Seas
PG-13Rocket Man
PG-13The Bastaard Rebellion
PG-13The Lost Battalion
PG-13The Demon of Cawnpore
PG-13Captain Ishmael: A Saga of the South Seas
PGThe Angel of the Revolution
GThe Snake Mother
PG-13The Abyss
PG-13The Stars Will Speak
PGThe Island of Fear
GGolden Fleece
RAshes and Stars
PGLegacy
RThe Fugitive Worlds
ROrbitsville Judgement
PG-13Dagger of the Mind
RThe Blue Aura
PG-13