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.
- ***Two Believe – A Silas McKay Suspense (Silas McKay Suspense Series Book 2) by Luana Ehrlich. Price: Free. Genre: Mystery, USA Today Bestselling Author. Rated: 4.6 stars on 468 Reviews. 189 pages. ASIN: B0B66KYRW3. USA Today Bestselling Author Luana Ehrlich.
- ***Rosemary Run Series Books 1-5 – A gripping series of domestic suspense where trouble’s brewing below the picture-perfect surface by Kelly Utt. Price: Free. Genre: Mystery. Rated: 4.1 stars on 999 Reviews. 932 pages. ASIN: B087TDGT8X.
- ***MURDER, BED & BREAKFAST an absolutely gripping cozy mystery novel (Honey Driver Murder Mysteries Book 1) by Jean G. Goodhind. Price: Free. Genre: Murder Mystery. Rated: 4.2 stars on 999 Reviews. 309 pages. ASIN: B09WFB2Z94.
- *Crossing Day (Deal, Not Free) by William A. Glass. Price: $4.99. Genre: Military Thriller Deal, Sponsor, It is like a combination of Huckleberry Finn, The Hunger Games and Moby Dick. Rated: 4.3 stars on 22 Reviews. 301 pages. ASIN: B0CW8HBGV4.
- ***Murder at the Highland Castle (A Miss Underhay Mystery Book 14) by Helena Dixon. Price: Free. Genre: Cozy Mystery, Culinary, Murder. Rated: 4.4 stars on 999 Reviews. 254 pages. ASIN: B0CDHGNWHY.
- *Campaigning Can Be Deadly (A Discount Detective Mystery Book 2) (Deal, Not Free) by Charlotte Stuart. Price: $0.99. Genre: Political Thriller Deal, Sponsor, Cameron and Yuri are hired to find who is stealing the local candidate’s political signs. Rated: 4.8 stars on 10 Reviews. 282 pages. ASIN: B08J89YYVC.
- *Gunny Mac Private Detective – Trouble in Chinatown (Deal, Not Free) by Steven Walker. Price: $0.99. Genre: Hard-Boiled Mystery Deal, Sponsor, They face one more battle for their country and for their friends, one last battle, one last victory. Rated: 4.6 stars on 23 Reviews. 374 pages. ASIN: B09L55DTSS. Also, get the eBook version here, and here, please.
- ***Creepy Crawly (Jake Sawyer Thrillers Book 1) by Andrew Lowe. Price: Free. Genre: Thrillers, Serial Killer, Vigilante Justice. Rated: 4.3 stars on 999 Reviews. 438 pages. ASIN: B07FSFMKXX.
- *Year of the Piranha (Deal, Not Free) by James Massaro. Price: $0.99. Genre: Psychological Thriller Deal, Sponsor, Jane did not care about what was written on the side of the trailer. Rated: 5 stars on 1 Reviews. 131 pages. ASIN: B0D4YW1TCT.
- *Three Times A Killer (The Derry Murder Mysteries Book 3) (Deal, Not Free) by Gerald Hansen. Price: $6.99. Genre: International Mystery & Crime Deal, Sponsor, McLaughlin and D’Arcy are seasoned pros, but even their skills are stretched when a battered body turns up. Rated: 4.4 stars on 12 Reviews. 432 pages. ASIN: B0CP91J54W.
- ***The Justice Countdown (Charles Lawson Book 3) by Freya Atwood. Price: Free. Genre: Legal Thrillers, Vigilante Justice. Rated: 4.2 stars on 771 Reviews. 323 pages. ASIN: B0CPMVMWVV.
- *Mister Blue – Puppy Love (Deal, Not Free) by Jack Hazen. Price: $2.99. Genre: Terrorism Thriller Deal, Sponsor, Adventures of a handsome blue German shepherd and his human, a former Navy Seal. Rated: 4.7 stars on 12 Reviews. 218 pages. ASIN: B0DF4JSF5C. Also, get the eBook version here, and the paperback version here, please.
- ***Outside the White Lines – a crazed serial killer roams the motorways at night (The Psychological Thrillers Book 1) by Chris Simms. Price: Free. Genre: Psychological Thriller. Rated: 4.1 stars on 223 Reviews. 236 pages. ASIN: B0081T20C8.
- *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: Spies & Politics Thriller Deal, Sponsor, A dramatic, thrilling, nerdy and very cerebral spy thriller. Rated: 4 stars on 8 Reviews. 152 pages. ASIN: B0D95Q3NJF. Also, get the eBook version here, and the paperback version here, please.
- ***Race into Murder by Karen Black. Price: Free. Genre: Crime Thriller, Murder. Rated: 4.1 stars on 249 Reviews. 355 pages. ASIN: B07BGWGYLT.
- ***Murder at Nuthatch Nest (Birdwatching Journalist Cozy) by Nicolette Harpford. Price: Free. Genre: Cozy Mystery. Rated: 4.1 stars on 101 Reviews. 240 pages. ASIN: B0BTBKK9WS.
- **Welcome to the Fallen Paradise by Dayne Sherman. Price: Free. Genre: Hard-Boiled Mystery, Suspense. Rated: 4.1 stars on 87 Reviews. 252 pages. ASIN: B00V0O48T4.
- ***The Severed Finger – A Thimble Islands Mystery by Arno Zimmer. Price: Free. Genre: Private Investigator Mystery. Rated: 4.2 stars on 54 Reviews. 342 pages. ASIN: B07Z59W68D.
- *London Lies Bleeding (Justin Martello Book 1) by Gomery Kimber. Price: Free. Genre: Crime Thrillers, Suspense, Literary Fiction. Rated: 4.3 stars on 36 Reviews. 251 pages. ASIN: B0CLVPWR8V.
- *The Body in the Lake – A Light Springs Novel by Harper Knight. Price: Free. Genre: Psychological Thrillers, Crime Fiction. Rated: 4.7 stars on 17 Reviews. 215 pages. ASIN: B0D17Y69MG.
- *Detectives and Spies (Julius Katz Detective) by Dave Zeltserman. Price: Free. Genre: Mystery, Private Investigator. Rated: 4 stars on 17 Reviews. 305 pages. ASIN: B0CL3R5L12.
- *Killed By Death by Matthew Weber. Price: Free. Genre: Mystery, Suspense, Small Town & Rural Fiction. Rated: 4.8 stars on 8 Reviews. 223 pages. ASIN: B0D4BK5V8T.
- *** Repeats
- ***Facets (Jake Scarne Thrillers Book 6) (Repeat) by Lawrence De Maria. Price: Free. Genre: Crime Thriller, Noir, Murder. Rated: 4.5 stars on 148 Reviews. 253 pages. ASIN: B014X65894.
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.