Category: Mystery Free Books

Exciting Free Kindle Mysteries Books, Free USA Today Bestselling Author Private Investigator Mystery, Deals!

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

Free Kindle Books – Thrillers & Mysteries

  1. Thriller Blogs: All Thrillers, All Suspense, Conspiracy Thrillers, Spy Thrillers, Crime Thrillers, Suspense Thrillers.
  1. ***Campari Crimson – A Private Investigator Comedy Mystery (Franki Amato Mysteries Book 4) by Traci Andrighetti. Price: Free. Genre: Private Investigator Mystery, USA Today Bestselling Author. Rated: 4.6 stars on 382 Reviews. 336 pages. ASIN: B079X3LWB8. USA Today Bestselling Author Traci Andrighetti.
  2. ***Jon’s Downright Ridiculous Shooting Case (Jon’s Mysteries Case Book 1) by A Sherwood. Price: Free. Genre: Paranormal Mystery, Suspense. Rated: 4.6 stars on 999 Reviews. 282 pages. ASIN: B07Q11NYBT.
  3. *Bulverde Beat – Mystery Explosion – Bulverde Beat Case File – Number One (Deal, Not Free) by Ed Benjamin. Price: $0.99. Genre: Cozy Mystery Deal, Sponsor, Texas sized mystery. Rated: 4.7 stars on 4 Reviews. 84 pages. ASIN: B0CW18Q7W3. Also, get the eBook version here, and here, please.
  4. ***The Red Lacquer Case by Patricia Wentworth. Price: Free. Genre: Mystery, Traditional Detectives. Rated: 4.1 stars on 443 Reviews. 224 pages. ASIN: B01H7EOEHG.
  5. **THE 4MIDABLES – HOW THEY CAME TO BE (Deal, Not Free) by DON YOUNG. Price: $0.99. Genre: Action Thriller Deal, Sponsor, A thrilling mix of mystery, action and heart, Created by Don Young, writer for the iconic ‘Inspector Gadget’ series, THE 4MIDABLES teleport back in time – up to 24 hours – to anonymously solve crimes worldwide! The thrilling series includes ‘Who Are They? (2025), and ’The Mystery Deepens’ (January, 2026). Rated: 4.7 stars on 45 Reviews. 296 pages. ASIN: B0DG77VN9S. Also, get the eBook version here, and here, please.
  6. ***High End (Raven One Book 4) by Kevin Miller. Price: Free. Genre: Thriller. Rated: 4.6 stars on 570 Reviews. 466 pages. ASIN: B0DLBSTP68.
  7. ***The Valley Of Lost Children – Tye Caine Wilderness Mystery #1 (Tye Caine Wilderness Mysteries) by David Barbur. Price: Free. Genre: Small Town Mystery, Sponsor, Tye just wants to live in the woods and be left alone, but a killer haunts the misty forests. Rated: 4.3 stars on 999 Reviews. 338 pages. ASIN: B08174BDYT.
  8. ***The Shekinah Legacy (A Charlotte Ansari Thriller Book 1) by Gary Lindberg. Price: Free. Genre: Assassination Thriller. Rated: 4.1 stars on 526 Reviews. 380 pages. ASIN: B006IGV8I8.
  9. *Falling Into Shadow – An Exciting Epic Space Opera Adventure (Deal, Not Free) by Mike Palleschi. Price: $2.99. Genre: Paranormal Fantasy Deal, Sponsor, Sophie Song is a Stem Shifter, she can alter time, energy, space and matter with her mind. Rated: 4.9 stars on 33 Reviews. 518 pages. ASIN: B0FB3RZ1DM. Also, get the eBook version here, and the paperback version here, or here, please.
  10. ***Blood Clan (Serenity’s Plain Secrets Book 19) by Karen Ann Hopkins. Price: Free. Genre: Women Sleuths Mystery. Rated: 4.7 stars on 355 Reviews. 238 pages. ASIN: B0DSQ898X6.
  11. *The Laura Project (The AI revenge Book 2) (Deal, Not Free) by Jack Sade. Price: $0.99. Genre: Techno Thriller Deal, Sponsor, AI version of a loved one going rogue. Rated: 4.8 stars on 6 Reviews. 365 pages. ASIN: B0FN8QVCCH. Also, get the eBook version here, and here, please.
  12. ***Shot on the Downs. Illustrated by Victor L. Whitechurch. Price: Free. Genre: Cozy Mystery. Rated: 4.2 stars on 428 Reviews. 246 pages. ASIN: B0DK6SVNYC.
  13. **THE 4MIDABLES – HOW THEY CAME TO BE (Deal, Not Free) by DON YOUNG. Price: $0.99. Genre: Action Thriller Deal, Sponsor, A thrilling mix of mystery, action and heart, Created by Don Young, writer for the iconic ‘Inspector Gadget’ series, THE 4MIDABLES teleport back in time – up to 24 hours – to anonymously solve crimes worldwide! The thrilling series includes ‘Who Are They? (2025), and ’The Mystery Deepens’ (January, 2026). Rated: 4.7 stars on 45 Reviews. 296 pages. ASIN: B0DG77VN9S. Also, get the eBook version here, and here, please.
  14. ***Telegraph Hill (The Ray Infantino Files Book 1) by John Nardizzi. Price: Free. Genre: Murder Mystery. Rated: 4.0 stars on 243 Reviews. 227 pages. ASIN: B00CB8KUJ0.
  15. *Avarice – A Hollywood Mystery (Rosemaria Baker Hollywood Mystery Book 3) (Deal, Not Free) by Britt Lind. Price: $4.99. Genre: Police Procedurals Mystery Deal, Sponsor, Rosemaria Baker and her fiancé are taking a long-awaited holiday in Pacific Beach, anticipating a few days of focusing on the good things in life. Rated: 5 stars on 4 Reviews. 486 pages. ASIN: B0FNFC1FHB. Also, get the eBook version here, and the paperback version here, or here, please.
  16. **Magpie by Parker Garner. Price: Free. Genre: Psychological Thriller, Gothic Fiction, Suspense, Contemporary. Rated: 4.7 stars on 73 Reviews. 300 pages. ASIN: B0FLYL8Z21.
  17. *The Ganymede Signal (The Unconquerable Sun Book 1) (Deal, Not Free) by K. K. Ahangar. Price: $0.99. Genre: Spies & Politics Thriller Deal, Sponsor, Soon he discovers that his fingerprint is embedded in the impossible signal. Rated: 5 stars on 1 Reviews. 306 pages. ASIN: B0FTS1JN9M. Also, get the eBook version here, and here, please.
  18. **A Dead Listing – First in a paranormal cozy mystery series (Paranormal Realtor Cozy Mysteries Book 1) by Eva Onyx. Price: Free. Genre: Cozy Mystery. Rated: 4.6 stars on 51 Reviews. 226 pages. ASIN: B0FGVZ6NB9.
  19. *Deception (Jack Ludefance PI Series) by Behcet Kaya. Price: Free. Genre: Mystery, Private Investigators. Rated: 4.7 stars on 31 Reviews. 245 pages. ASIN: B0FFTS29QT.
  20. *But Now I’m Found by J Vincent. Price: Free. Genre: Psychological Thrillers, Suspense, Contemporary. Rated: 4.9 stars on 13 Reviews. 351 pages. ASIN: B0FPLJPJFR.
  21. *Krelloy (Quiet Ends) by Michal Polgar. Price: Free. Genre: Psychological Thrillers, Contemporary, Suspense. Rated: 4.8 stars on 11 Reviews. 225 pages. ASIN: B0FHGCLGV7.
  22. **Creature of an Ancient Dreaming (Crocodile Spirit Dreaming Book 2) by Graham Wilson. Price: Free. Genre: Mystery, Murder, Suspense. Rated: 4.1 stars on 63 Reviews. 193 pages. ASIN: B0195XN2UW.
  23. *The Psychic Killer by Anthony Bruno. Price: Free. Genre: Crime Thrillers, Noir, Suspense, Contemporary. Rated: 4.1 stars on 5 Reviews. 241 pages. ASIN: B07KX6MR6Z.
  24. *** Repeats
  25. ***Love, Lies and Pumpkin Spice (A Slice of Life Cozy Mystery Book 1) (Repeat) by Rachel Beattie. Price: Free. Genre: Cozy Mystery, Culinary, Suspense. Rated: 4.2 stars on 428 Reviews. 126 pages. ASIN: B0DH2YMFKK.
  26. ***The Catalogued Corpse (Doro Banyon Mysteries Book 1) (Repeat) by D Lang. Price: Free. Genre: Cozy Mystery, Historical. Rated: 4.3 stars on 271 Reviews. 312 pages. ASIN: B0C6N76F1Y.

Want More Free Books? Get our Premium Kindle Email List – 20 to 30 more free books each day. No Ads. Only $2.99 per Month

Want Free Books earlier in the day? Get our Free Windows Desktop App, Books Butterfly Instant N – Book Updates in Morning, Afternoon, and Evening. Filter by your favorite book categories.

Wonderful Free Kindle Thrillers & Mysteries Books, Free USA Today Bestselling Author Women Sleuths Mystery, Deals!

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

Free Kindle Books – Thrillers & Mysteries

  1. Thriller Blogs: All Thrillers, All Suspense, Conspiracy Thrillers, Spy Thrillers, Crime Thrillers, Suspense Thrillers.
  1. ***Close By (A Kari Blackhorse Suspense Thriller-Book One) by Blake Pierce. Price: Free. Genre: Women Sleuths Mystery, USA Today Bestselling Author. Rated: 4.5 stars on 67 Reviews. 166 pages. ASIN: B0F7ZZJSWD. USA Today Bestselling Author Blake Pierce.
  2. **Close By (A Kari Blackhorse Book 1) by Blake Pierce. Price: Free. Genre: Mystery, Women Sleuths, Suspense. Rated: 4.5 stars on 67 Reviews. 166 pages. ASIN: B0F7ZZJSWD.
  3. *Such an Odd Word to Use – Secrets don’t hide, they echo (Deal, Not Free) by Carl Goodwin. Price: $0.99. Genre: Supernatural Mystery Deal, Sponsor, A routine planning request triggers something deeper. Rated: 5 stars on 1 Reviews. 144 pages. ASIN: B0FQCC6SMM. Also, get the eBook version here, and here, please.
  4. ***The Blue Rose (Millionaire Suspense Book 1) by Terry Toler. Price: Free. Genre: Mystery. Rated: 4.4 stars on 603 Reviews. 382 pages. ASIN: B08JWR96S9.
  5. ***Murder on Christmas Eve (A Dodo Dorchester Mystery Book 6) by Ann Sutton. Price: Free. Genre: Cozy Mystery. Rated: 4.5 stars on 999 Reviews. 162 pages. ASIN: B09KSWPBSC.
  6. *A Realm of Stone and Tears (The Realm of Stone and Tears series Book 1) (Deal, Not Free) by Emily Whartynne. Price: $0.99. Genre: Dark Fantasy Deal, Sponsor, An orphaned girl is thrust into the center of a terrifying adventure when she moves to a mysterious castle. Rated: 4.3 stars on 45 Reviews. 247 pages. ASIN: B09FKMX74K. Also, get the eBook version here, and here, please.
  7. ***All Hallows’ Eve in Stickleback Hollow (The Mysteries of Stickleback Hollow Book 3) by C Woolley. Price: Free. Genre: Cozy Mystery, Historical. Rated: 4.1 stars on 114 Reviews. 190 pages. ASIN: B071XQM25K.
  8. *Bulverde Beat – Mystery Explosion – Bulverde Beat Case File – Number One (Deal, Not Free) by Ed Benjamin. Price: $0.99. Genre: Small Town Mystery Deal, Sponsor, Every clue pulls Luke and Harry deeper into a dangerous puzzle. Rated: 4.7 stars on 4 Reviews. 84 pages. ASIN: B0CW18Q7W3. Also, get the eBook version here, and here, please.
  9. *Deception (Jack Ludefance PI Series) by Behcet Kaya. Price: Free. Genre: Mystery, Private Investigators, Suspense. Rated: 4.7 stars on 31 Reviews. 245 pages. ASIN: B0FFTS29QT.
  10. *Return To Hawaii – A Donovan Cross Novel (Deal, Not Free) by Daniel J Voelker. Price: $0.99. Genre: Secret Agent Thriller Deal, Sponsor, Donovan is the NIA’s legendary secret agent, he will stop at nothing to achieve his goal. Rated: 4.4 stars on 24 Reviews. 276 pages. ASIN: B0F8X631MT. Also, get the eBook version here, or here, and the paperback version here, and here, please.
  11. ***Lost Souls (Jack Dahlish Book 1) by Tim Rangnow. Price: Free. Genre: Private Mystery Investigator. Rated: 4.4 stars on 419 Reviews. 246 pages. ASIN: B08MVF5JVH.
  12. *Return To Hawaii – A Donovan Cross Novel (Paperback Deal, Not Free) by Daniel J Voelker. Price: $19.99. Genre: Secret Agent Thriller Deal, Sponsor, Donovan is the NIA’s legendary secret agent, he will stop at nothing to achieve his goal. Rated: 4.4 stars on 24 Reviews. 276 pages. ASIN: B0F91TF5XD. Also, get the eBook version here, or here, and, the paperback version here, and here, please.
  13. *Tarot Cards and Tombstones (Carolina Canine Mysteries Book 9) by Madison Boyd. Price: Free. Genre: Cozy Mystery, Suspense. Rated: 4.5 stars on 31 Reviews. 211 pages. ASIN: B0FMGK88N6.
  14. **THE 4MIDABLES – HOW THEY CAME TO BE (Deal, Not Free) by DON YOUNG. Price: $0.99. Genre: Time Travel Science Fiction Deal, Sponsor, The book is so well-written with a perfect blend of heroism and smartness, Created by Don Young, writer for the iconic ‘Inspector Gadget’ series, THE 4MIDABLES teleport back in time – up to 24 hours – to anonymously solve crimes worldwide! The thrilling series includes ‘Who Are They? (2025), and ‘The Mystery Deepens’ (January, 2026). Rated: 4.7 stars on 45 Reviews. 296 pages. ASIN: B0DG77VN9S. Also, get the eBook version here, and here, please.
  15. *Widow (A Woman Scorned Book 3) by Kate Bonham. Price: Free. Genre: Crime Thrillers, Serial Killers, Suspense. Rated: 4.4 stars on 15 Reviews. 177 pages. ASIN: B0D82L7BH6.
  16. ***Rum Cake Cottage (A Pajaro Bay Novel) by Barbara Cool Lee . Price: Free. Genre: Women Sleuths Mystery. Rated: 4.5 stars on 664 Reviews. 386 pages. ASIN: B071DT6BCL.
  17. *The Shadows Between Us – A Gripping Mystery Romance of Love, Lies and Second Chances (Deal, Not Free) by William Wyres. Price: $0.99. Genre: Conspiracy Thriller Deal, Sponsor, A hidden warning, a vanished friend, a past that would not let go. Rated: 4.6 stars on 5 Reviews. 324 pages. ASIN: B0FR3KGM6J.
  18. ***The Valley Of Lost Children – Tye Caine Wilderness Mystery #1 (Tye Caine Wilderness Mysteries) by David Barbur. Price: Free. Genre: Mystery, Sponsor, It started with a footprint and it ended with a murder. Rated: 4.3 stars on 999 Reviews. 338 pages. ASIN: B08174BDYT.
  19. Murder of a Mayor (Detective Murder Collection) by Cole Blackwood. Price: Free. Genre: Mystery, Murder, Suspense. Rated: 4.1 stars on 10 Reviews. 251 pages. ASIN: B0D7TMQZF3.
  20. *Falling Into Shadow – An Exciting Epic Space Opera Adventure (Deal, Not Free) by Mike Palleschi. Price: $2.99. Genre: Dystopian Thriller Deal, Sponsor, Time Travel Thriller. Rated: 4.9 stars on 33 Reviews. 518 pages. ASIN: B0FB3RZ1DM. Also, get the eBook version here, and the paperback version here, or here, please.
  21. Devil’s News by Isabel Wells. Price: Free. Genre: Crime Thrillers, Suspense, Contemporary Fiction. Rated: 4.2 stars on 8 Reviews. 265 pages. ASIN: B0DYPKD5RX.
  22. *Avarice – A Hollywood Mystery (Rosemaria Baker Hollywood Mystery Book 3) (Deal, Not Free) by Britt Lind. Price: $4.99. Genre: Hollywood Mystery Deal, Sponsor, Love, betrayal and lethal secrets lurk behind Hollywood’s glittering facade. Rated: 5 stars on 4 Reviews. 486 pages. ASIN: B0FNFC1FHB. Also, get the eBook version here, and the paperback version here, or here, please.
  23. The Gold Enigma (Jeannie Loomis FBI Agent Book 14) by Gary Rose. Price: Free. Genre: Crime Thrillers, Heist, Suspense. Rated: 4.6 stars on 6 Reviews. 209 pages. ASIN: B0DJJXJ2QH.
  24. *The Ganymede Signal (The Unconquerable Sun Book 1) (Deal, Not Free) by K. K. Ahangar. Price: $0.99. Genre: Spies & Politics Thriller Deal, Sponsor, Soon he discovers that his fingerprint is embedded in the impossible signal. Rated: 5 stars on 1 Reviews. 306 pages. ASIN: B0FTS1JN9M. Also, get the eBook version here, and here, please.
  25. ***A Cult in the Woods (DCI Cieran Book 2) (Repeat) by Ramsay Sinclair. Price: Free. Genre: Mystery, Murder, Suspense. Rated: 4.2 stars on 840 Reviews. 280 pages. ASIN: B0CRR7SD68.
  26. ***Never Spy Alone (An Onyx Sector Adventure Book 1) (Repeat) by Craig Hart. Price: Free. Genre: Political Thrillers, Conspiracies. Rated: 4.1 stars on 132 Reviews. 123 pages. ASIN: B0FBKBZ9T8.

Want More Free Books? Get our Premium Kindle Email List – 20 to 30 more free books each day. No Ads. Only $2.99 per Month

Want Free Books earlier in the day? Get our Free Windows Desktop App, Books Butterfly Instant N – Book Updates in Morning, Afternoon, and Evening. Filter by your favorite book categories.