All Categories → Mystery, Thriller & Suspense → Science Fiction

Listing 125 Free Ebooks at Amazon

Book Avg Rating Num Ratings Last Verified
Between Mountain and Sea: Paradisi Chronicles (Caelestis Series Book 1) by Louisa Locke 4.4 1281 Aug 17
World Engine (Standalone Sci-Fi Novels) by Paul Haedo 3.7 207 Apr 17
Sub-Human (Book 1): A Science Fiction Novel (Post-Human Series) by David Simpson 4.1 2374 Aug 17
The Longest Shard: A Gideon Quinn Tale of Fortune (Gideon Quinn Adventures) by Kathleen McClure 4.4 46 Aug 8
Noah's Ark: Survivors (Noah's Ark Series Book 1) by Harry Dayle 4.1 1484 Aug 17
Destroyer of Light Sneak Peek by Jennifer Marie Brissett 0.0 0 Sep 3
Mindguard: A Science Fiction Thriller (The Mindguard Saga Book 1) by Andrei Cherascu 4.2 177 Sep 3
Casanova: A Cyberpunk Adventure Anthology Series: There Is Love After The Pain (Dark Love Anthology) by Gareth Mayers and C.L Mayers 4.1 5 Apr 17
Detective Trigger and the Ruby Collar: A Free Middle Grade Talking Dog Detective Mystery Great for Kids Ages 8-12, Teens, and Adults by M.A. Owens 4.5 246 Mar 20
Murder on Autarch 1: A Dystopian Future Noir and Investigative Cyberpunk Thriller (Velera-Exi: mysteries of the paradox planets) by Andrea De Magistris Michele Perni 4.2 61 Apr 17
Untamed: A Paranormal Shifter Romance (Ghost Cat Canyon Book 2) by Delta James 4.5 174 Nov 26
The Invisible Man by H. G. Wells , W. Warren Wagar 4.3 3941 Sep 3
Legacy of the Lost: A Treasure-hunting Science Fiction Adventure (Atlantis Legacy Book 1) by Lindsey Sparks and Lindsey Fairleigh 0.0 0 Aug 7
Ambassador 1: Seeing Red by Patty Jansen 4.3 1881 Apr 17
The Manchurian Paradox: A Short Story (Short Story Singles) by Joe Vasicek 4.2 12 Jan 24
This Side of Desperation: Sarah Malone Murder Mystery Book 1 (Sarah Malone Mystery Series) by Nikki Kincaid 4.2 13 Mar 18
The Survivors (Life After War Book 1) by Angela White 4.1 4512 Jul 10
Blood Fugue (Tales from the Gaoler Book 1) by Amber Anthony 4.7 11 Dec 23
Peace Keeper: 2nd Edition (Peacekeeper Series Book 1) by Paul Haedo 3.7 198 Apr 17
The S.H. Livernois Starter Library: A Multi-Genre Collection of Short Works & Excerpts for the Adventurous Reader by S.H. Livernois 4.2 40 Aug 17
Void Office by Avery Dance 3.9 23 Aug 17
Clare Winger Harris - SF Boxed Set: The Fate of the Poseidonia &The Miracle of the Lily (Including The Passing of a Kingdom, Man or Insect?, The Year 3928, Ex Terreno…) by Clare Winger Harris 2.0 1 Nov 26
Hetzjagd im All (German Edition) by Alfred Bekker 3.8 10 Nov 26
Spark (Star Inferno Book One) by Hadwin Fuller 4.3 116 Mar 20
Bishop's Honor: A Post-Apocalyptic Survival Thriller Series (Surrender the Sun Book 1) by A. R. Shaw 4.4 1375 Mar 18
Sort by: Avg Rating | Num Ratings | Last Verified
Between Mountain and Sea: Paradisi Chronicles (Caelestis Series Book 1) by Louisa Locke
Avg 4.4 of 1281 ratings - Last Verified Aug 17
World Engine (Standalone Sci-Fi Novels) by Paul Haedo
Avg 3.7 of 207 ratings - Last Verified Apr 17
Sub-Human (Book 1): A Science Fiction Novel (Post-Human Series) by David Simpson
Avg 4.1 of 2374 ratings - Last Verified Aug 17
The Longest Shard: A Gideon Quinn Tale of Fortune (Gideon Quinn Adventures) by Kathleen McClure
Avg 4.4 of 46 ratings - Last Verified Aug 8
Noah's Ark: Survivors (Noah's Ark Series Book 1) by Harry Dayle
Avg 4.1 of 1484 ratings - Last Verified Aug 17
Destroyer of Light Sneak Peek by Jennifer Marie Brissett
Avg 0.0 of 0 ratings - Last Verified Sep 3
Mindguard: A Science Fiction Thriller (The Mindguard Saga Book 1) by Andrei Cherascu
Avg 4.2 of 177 ratings - Last Verified Sep 3
Casanova: A Cyberpunk Adventure Anthology Series: There Is Love After The Pain (Dark Love Anthology) by Gareth Mayers and C.L Mayers
Avg 4.1 of 5 ratings - Last Verified Apr 17
Detective Trigger and the Ruby Collar: A Free Middle Grade Talking Dog Detective Mystery Great for Kids Ages 8-12, Teens, and Adults by M.A. Owens
Avg 4.5 of 246 ratings - Last Verified Mar 20
Murder on Autarch 1: A Dystopian Future Noir and Investigative Cyberpunk Thriller (Velera-Exi: mysteries of the paradox planets) by Andrea De Magistris Michele Perni
Avg 4.2 of 61 ratings - Last Verified Apr 17
Untamed: A Paranormal Shifter Romance (Ghost Cat Canyon Book 2) by Delta James
Avg 4.5 of 174 ratings - Last Verified Nov 26
The Invisible Man by H. G. Wells , W. Warren Wagar
Avg 4.3 of 3941 ratings - Last Verified Sep 3
Legacy of the Lost: A Treasure-hunting Science Fiction Adventure (Atlantis Legacy Book 1) by Lindsey Sparks and Lindsey Fairleigh
Avg 0.0 of 0 ratings - Last Verified Aug 7
Ambassador 1: Seeing Red by Patty Jansen
Avg 4.3 of 1881 ratings - Last Verified Apr 17
The Manchurian Paradox: A Short Story (Short Story Singles) by Joe Vasicek
Avg 4.2 of 12 ratings - Last Verified Jan 24
This Side of Desperation: Sarah Malone Murder Mystery Book 1 (Sarah Malone Mystery Series) by Nikki Kincaid
Avg 4.2 of 13 ratings - Last Verified Mar 18
The Survivors (Life After War Book 1) by Angela White
Avg 4.1 of 4512 ratings - Last Verified Jul 10
Blood Fugue (Tales from the Gaoler Book 1) by Amber Anthony
Avg 4.7 of 11 ratings - Last Verified Dec 23
Peace Keeper: 2nd Edition (Peacekeeper Series Book 1) by Paul Haedo
Avg 3.7 of 198 ratings - Last Verified Apr 17
The S.H. Livernois Starter Library: A Multi-Genre Collection of Short Works & Excerpts for the Adventurous Reader by S.H. Livernois
Avg 4.2 of 40 ratings - Last Verified Aug 17
Void Office by Avery Dance
Avg 3.9 of 23 ratings - Last Verified Aug 17
Clare Winger Harris - SF Boxed Set: The Fate of the Poseidonia &The Miracle of the Lily (Including The Passing of a Kingdom, Man or Insect?, The Year 3928, Ex Terreno…) by Clare Winger Harris
Avg 2.0 of 1 ratings - Last Verified Nov 26
Hetzjagd im All (German Edition) by Alfred Bekker
Avg 3.8 of 10 ratings - Last Verified Nov 26
Spark (Star Inferno Book One) by Hadwin Fuller
Avg 4.3 of 116 ratings - Last Verified Mar 20
Bishop's Honor: A Post-Apocalyptic Survival Thriller Series (Surrender the Sun Book 1) by A. R. Shaw
Avg 4.4 of 1375 ratings - Last Verified Mar 18