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
Get Books Earlier -> Windows Desktop App, Books Butterfly Instant N. – Book Updates in Morning, Afternoon, and Evening. Filter by your favorite book categories
Authors, Promote Your Book to 4 Million Readers. Become A Bestselling Author.
Free Kindle Books – Mystery
- Thriller Blogs: All Thrillers, All Suspense, Conspiracy Thrillers, Spy Thrillers, Crime Thrillers, Suspense Thrillers.
- ***Family Ghouls (A Greek Ghouls Mystery Book 1) by Alex A. King. Price: Free. Genre: Cozy Mystery. Rated: 4.5 stars on 999 Reviews. 256 pages. ASIN: B073FM6CHT.
- ***The Coffin in the Wall – A DI Emma Christie Crime Thriller Book 1 by M J Lee. Price: Free. Genre: Murder Mystery. Rated: 4.3 stars on 642 Reviews. 374 pages. ASIN: B0CVFKXSP8.
- ***The Friend Group (Ty Hutchinson Psychological Thriller) by Ty Hutchinson. Price: Free. Genre: Crime Thriller. Rated: 4.1 stars on 494 Reviews. 250 pages. ASIN: B0BY63V8ML.
- *Alpha Beta Gamma – First Book of the spy thriller series of the Trio (The Diary of a Sloppy Sleuth 1) (Deal, Not Free) by Malabika RAY. Price: $0.99. Genre: Spy Thriller Deal, Sponsor, A professor mysteriously gets killed in his own lab. Rated: 4 stars on 8 Reviews. 152 pages. ASIN: B0D95Q3NJF. Also, get the eBook version here, and the paperback version here, please.
- ***Death Of Dreams (Manny Rivera Mystery Book 11) by Rich Curtin. Price: Free. Genre: Mystery, Murder, Suspense. Rated: 4.5 stars on 319 Reviews. 195 pages. ASIN: B0DC5MLB28.
- ***Marionette – A Zombie Series (Marionette Zombie Series Book 1) (Deal, Not Free) by S.B. Poe. Price: $2.99. Genre: Zombie Thriller Deal, Sponsor, Outbreak of the Marionette virus. Rated: 4.2 stars on 170 Reviews. 191 pages. ASIN: B07B4H98VF. Also, get the eBook version here, and the paperback version here, please.
- ***Family Ghouls (A Greek Ghouls Mystery Book 1) by Alex A. King. Price: Free. Genre: Cozy Mystery. Rated: 4.5 stars on 957 Reviews. 256 pages. ASIN: B073FM6CHT.
- *Vengeance – Children of Faust (Deal, Not Free) by Christipher Ulm. Price: $0.99. Genre: Horror Suspense Deal, Sponsor, A hollow, unstable life of self-isolating misery, punctuated by callous mistreatment in and out of school. Rated: 4.7 stars on 21 Reviews. 566 pages. ASIN: B076ZHH116. Also, get the eBook version here, and the paperback version here, please.
- ***Wrong Kill, Kill Crime 3 – Serial Killers, the Cartel, the DEA, and Vigilantes-Accidents Happen, And Unintended Consequences by Mike Slavin. Price: Free. Genre: Crime Thriller. Rated: 4.5 stars on 119 Reviews. 412 pages. ASIN: B0C6FKQWQ4.
- *Shadows of Serenity – A Gripping Cozy Mystery Set in Thailand (A Harry Sinclair Cozy Travel Mystery Book 1) (Deal, Not Free) by Sabina O.. Price: $0.99. Genre: Amateur Sleuths Mystery Deal, Sponsor, The retreat’s idyllic setting is shattered by a scream that echoes through the meditation sessions. Rated: 4.2 stars on 21 Reviews. 234 pages. ASIN: B0CSDHTBXN. Also, get the eBook version here, and the paperback version here, please.
- ***Granny Pins A Pilferer – A Fuchsia, Minnesota Mystery by Julie Seedorf. Price: Free. Genre: Cozy Mystery, Women Sleuths. Rated: 4.4 stars on 107 Reviews. 241 pages. ASIN: B01K0LA08U.
- *Krill – An apocalyptic political thriller for our times (Deal, Not Free) by Em Thompson. Price: $0.99. Genre: Apocalyptic Thriller Deal, Sponsor, A journey of political awakening and redemption. Rated: 4.8 stars on 25 Reviews. 383 pages. ASIN: B0D4B4C3K2.
- **Granny Forks A Fugitive (Fuchsia Minnesota Book 4) by Julie Seedorf. Price: Free. Genre: Cozy Mystery, Women Sleuths. Rated: 4.5 stars on 86 Reviews. 253 pages. ASIN: B0110NV4DC.
- **The Goldilocks Genome – A Medical Thriller (Deal, Not Free) by Elizabeth Reed Aden. Price: $0.99. Genre: Crime Thriller Deal, Sponsor, An enjoyable and well-paced pharma-thriller with a Crichtonesque and frankly terrifying level of scientific realism. Rated: 4.8 stars on 91 Reviews. 306 pages. ASIN: B0CJBQX6WR. Also, get the eBook version here, or here, please.
- *Murder at the Roadside Inn – A Scotland Yard Crime Mystery by J. Miller. Price: Free. Genre: Historical Mystery, Private Investigator. Rated: 4.7 stars on 11 Reviews. 181 pages. ASIN: B0D8PGSNT8.
- *Captive Memory (A Faith-Based Fiction Thriller Book 1) (Deal, Not Free) by Jimmy Gear. Price: $2.99. Genre: Crime Fiction Mystery Deal, Sponsor, A local vagrant becomes a suspect in the investigation, there little clues being left behind intentionally. Rated: 5 stars on 2 Reviews. 226 pages. ASIN: B0DC5TLMX1. Also, get the eBook version here, the eBook version on Smashwords here, and the paperback version here, please.
- *The Keokee Triangle by John Peace. Price: Free. Genre: Crime Thriller, Lawyers & Criminals, Heist, Humor. Rated: 4.5 stars on 10 Reviews. 284 pages. ASIN: B0CP68N4F8.
- *Captive Memory (A Faith-Based Fiction Thriller) (Deal, Not Free) by Jimmy Gear. Price: $12.99. Genre: Crime Fiction Mystery Deal, Sponsor, A local vagrant becomes a suspect in the investigation, there little clues being left behind intentionally. Rated: 5 stars on 2 Reviews. 226 pages. ASIN: B0DBXFV69D. Also, get the eBook version here, the eBook version on Smashwords here, and the paperback version here, please.
- *Dog’s Twilight by Roger Teichmann. Price: Free. Genre: Psychological Thrillers, Murder, Suspense, Adventure. Rated: 4.2 stars on 22 Reviews. 235 pages. ASIN: B0CVNL3FVM.
- *** Repeats
- ***Secrets from the Past – A Shady Pines Mystery (Repeat) by Jenny Elaine. Price: Free. Genre: Cozy Mystery, Women Sleuths. Rated: 4.5 stars on 702 Reviews. 270 pages. ASIN: B09NBDNK7H.
- ***The Architect of Revenge (Repeat) by T. Ainsworth. Price: Free. Genre: Crime Thrillers, Suspense, Contemporary. Rated: 4.5 stars on 129 Reviews. 441 pages. ASIN: B00NUT5NGO.
- ***The Book Club Murder (A Psychic Cafe Mystery 7) (Repeat) by April Fernsby. Price: Free. Genre: Cozy Mystery, Psychic, Suspense. Rated: 4.5 stars on 106 Reviews. 124 pages. ASIN: B0853936NS.
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
SAVE with Free Books & $1 Box Sets & Free Box Sets in more Genres!
Save Money – Free Books & Free Box Sets IN YOUR FAVORITE NICHE!
- Romance: All Romance, NY Times Bestselling Authors Romance, Fantasy Romance, Contemporary Romance, Paranormal Romance, Historical Romance, YA Romance, Romantic Suspense.
- 18+ Romance: Romantic Erotica Bestsellers, Steamy Romance Bestsellers, Shifter Romance, BDSM, Romantic Erotica, Steamy Romance, Dark Romance.
- Box Sets: Box Set Bestsellers, Box Sets Deals, Full Series Box Sets, Free Box Sets, Cheap Box Sets.
- Kindle Unlimited (Sporadic): New Kindle Unlimited, Best Kindle Unlimited.
- Mystery Books: All Mystery, Cozy Mystery, Hard Boiled Mystery, Historical Mystery.
- Thrillers: All Thrillers, All Suspense, Conspiracy Thrillers, Spy Thrillers, Crime Thrillers, Suspense Thrillers.
- Christian: All Christian, Christian Romance, Christian Mystery.
- Clean: Clean Romance, Clean Books, Clean Mystery.
- Non Fiction: All Non Fiction, Biographies, Cookbooks & Health, How To, Herbal Remedies, Health, Cooking, DIY, Autobiographies, Travel, Money, Preppers and Survivalist, Gardening, Self-Help, Pure Cooking.
- Non Fiction Niche: Conspiracy, Free True Crime, History, Programming, Travel, Exercise.
- Fiction Books: Historical Fiction, Adventure, Literary Fiction, Women’s Fiction, Science Fiction, Fantasy, Horror, Westerns, Classics, Young Adult, Kids.
- Deals Only: $1 Book Deals, NY Times Bestseller Deals.