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.
Blood Siege
R
When Heaven Fell
PG
The Autocracy of Mr. Parham: His Remarkable Adventures in This Changing World
PG-13
Nyphron Rising
R
Magdalen Rising: The Beginning
PG-13
Calculated Risk
PG-13
The Great White Queen: A Tale of Treasure and Treason
PG-13
He Owned the World
PG-13
Never Let Up
PG-13
Subterfuge
PG-13
The Beginning
PG-13
The Grave Robbers of Genghis Khan
PG-13
Alpha Centauri
R
Eternity Road
PG-13
Beneath the Gated Sky
PG-13
Secret Passages
PG-13
Topsy-Turvy
PG-13
Chiller
R
Betrayer of Worlds
PG-13
Bone Gods
PG-13
Leviathans of Jupiter
PG-13
Transfinite Man
PG
Patterns of Chaos
PG-13
The Lost Worlds of Cronus
PG-13
The Survival Game
G
The Gemini Agent
PG-13
Rule 34
PG-13
Titan
PG-13
Contraband Rocket
PG-13
Anno Frankenstein
PG-13