Best Free Kindle Science Fiction Books, Hot Deals

Get Books Earlier -> Windows Desktop App, Books Butterfly Instant N.

Promote Your Book to 4 Million Readers. Become A Bestselling Author.

Free Kindle Books – Science Fiction

      1. Free Kindle Science Fiction Blog.
      1. *** Science Fiction
      2. **Dialing Earth (Interstellar Refugees Book 1) by Daniel Ellrick. Price: Free. Genre: Hard Science Fiction, Adventure. Rated: 4.5 stars on 63 Reviews. 325 pages. ASIN: B0FKXSR698.
      3. ***Callisto 2.0 (Shambhala Saga Book 1) (Repeat) by Susan English. Price: Free. Genre: Science Fiction, Colonization. Rated: 4.3 stars on 161 Reviews. 403 pages. ASIN: B08MWN8YVG.

Free Science Fiction for May 21st, 2026

  1. *** Science Fiction
  2. *Blacktree Station by Tyson Koss. Price: Free. Genre: Science Fiction, Galactic Empire, Space Opera, Action & Adventure. Rated: 4.5 stars on 23 Reviews. 296 pages. ASIN: B0DQJ2QV2D.
  3. *Zero Sum Galaxy (The Logic of Games Book 1) by Thomas Brookside. Price: Free. Genre: Science Fiction, Space Opera. Rated: 5.0 stars on 4 Reviews. 263 pages. ASIN: B0GX2VPQGD.
  4. ***The Aurora City (Cassiopia series Book 4) (Repeat) by E Mason. Price: Free. Genre: Science Fiction, Time Travel, Adventure. Rated: 4.6 stars on 197 Reviews. 266 pages. ASIN: B06XD7WC4J.