Get Lost in Your Next Great Science Fiction Series

Discover your next favorite science fiction series below.

Dive into the best science fiction book series without spending a dime. Browse these sci fi book series and find your next epic, galactic empire, urban, space opera, dystopian, paranormal, or young adult read!
Are you an author? Want to see your book here? Learn more about series promotion.

Post-Human Science Fiction Series

Sub-Human (Post-Human Series Book 1) by David Simpson: When World War III breaks out, doctor Craig Emilson becomes a suborbital paratrooper. Sent on a mission to take out a powerful artificial intelligence, Craig unknowingly holds ...
Read More

Final Wars Trilogy Science Fiction Series

The Final Wars Begin (Final Wars Trilogy Book 1) by S. A. Asthana: In the 23rd century, one man sets in motion the collapse of civilization. ***Amazon reviews: "Game of Thrones Wearing The Expanse's Clothes" ...
Read More

The Inevitable Science Fiction Series

Robot Proletariat (The Inevitable Book 1) by Sean Platt & Johnny B Truant: The staff at the Lexington estate were created to serve their masters. The unbreakable rule: no robot may harm a human being ...
Read More

The Ministry of Superheroes and Scamps Sciece Fiction Series

On Becoming Heroic (The Ministry of Superheroes and Scamps Book 1) by Robert Iannone: Royal twins and their three BFF's battle the forces of chaos and evil to help people in trouble. But it's the ...
Read More

Opus X Science Fiction Series

Obsidian Detective (Opus X Book 1) by Michael Anderle: On the fringes of human space, a murder will light a fuse and send two rebels on a planetary scale collision course. She lives on Earth, ...
Read More