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.
- ***A Secret to the Grave (Detective Parker Bell Book 1) by Jane Blythe. Price: Free. Genre: Thriller, USA Today Bestselling Author. Rated: 4.2 stars on 539 Reviews. 300 pages. ASIN: B00M6ACSPM. USA Today Bestselling Author Jane Blythe.
- ***The Florentine – old-school spy thriller with action, adventure, and twists (Cain Book 1) by Tom Trott. Price: Free. Genre: Espionage Thriller. Rated: 4.5 stars on 999 Reviews. 418 pages. ASIN: B09QXLHMV6.
- ***Murder by Misrule (A Francis Bacon Mystery Book 1) by Anna Castle. Price: Free. Genre: Historical Mystery. Rated: 4.1 stars on 999 Reviews. 350 pages. ASIN: B00J9TABYS.
- *Vengeance – Children of Faust (Deal, Not Free) by Christipher Ulm. Price: $0.99. Genre: Horror Suspense Deal, Sponsor, Friendship, death, revenge, love, and abuse. Rated: 4.7 stars on 21 Reviews. 566 pages. ASIN: B076ZHH116. Also, get the eBook version here, and here, please.
- ***Is Murder By Candlestick Still A Thing? (Diva Delaney Mysteries Book 1) by Anni Jayde. Price: Free. Genre: Women Sleuths Mystery. Rated: 4.5 stars on 778 Reviews. 300 pages. ASIN: B07GGZR5L9.
- ***Marionette – A Zombie Series (Marionette Zombie Series Book 1) (Deal, Not Free) by S.B. Poe. Price: $2.99. Genre: Post Apocalyptic Thriller Deal, Sponsor, An ongoing tale of the zombie apocalypse, the story of people who try to live. Rated: 4.2 stars on 170 Reviews. 191 pages. ASIN: B07B4H98VF. Also, get the eBook version here, and the paperback version here, please.
- ***Who All Die – An Imperial Assassins Novella (The Imperial Assassin) by Alex Gough. Price: Free. Genre: Historical Thriller. Rated: 4 stars on 172 Reviews. 176 pages. ASIN: B08FQQ1T22.
- *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: 4.8 stars on 9 Reviews. 218 pages. ASIN: B0DF4JSF5C. Also, get the eBook version here, and the paperback version here, please.
- ***The Brittle Sea (The Brittle Saga Trilogy Book 1) by Tom Kane. Price: Free. Genre: Historical Mystery. Rated: 4.0 stars on 173 Reviews. 387 pages. ASIN: B08BK3NX7D.
- *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, Sri and her investigator friend gets chased by the ruthless, international spies. Rated: 4 stars on 8 Reviews. 152 pages. ASIN: B0D95Q3NJF. Also, get the eBook version here, and the paperback version here, please.
- **Recall – An Ash Park Novel Volume 6 by Meghan Flynn. Price: Free. Genre: Crime Thriller, Vigilante Justice, Serial Killers. Rated: 4.5 stars on 71 Reviews. 302 pages. ASIN: B07XGBCZX1.
- *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: Women Sleuth Mystery Deal, Sponsor, A captivating tale of mystery and self-discovery, where every tranquil scene hides a shadow, and every peaceful moment is a prelude to suspense. Rated: 4.2 stars on 22 Reviews. 234 pages. ASIN: B0CSDHTBXN. Also, get the eBook version here, and the paperback version here, please.
- **The Honeymooners by K Tomb. Price: Free. Genre: Crime Thriller, Adventure, Suspense, Contemporary. Rated: 4 stars on 57 Reviews. 129 pages. ASIN: B0BYWFNWYF.
- **The Goldilocks Genome – A Medical Thriller (Deal, Not Free) by Elizabeth Reed Aden. Price: $0.99. Genre: Murder Mystery Deal, Sponsor, A search for a killer intent on revenge, a realistic thriller. Rated: 4.8 stars on 106 Reviews. 306 pages. ASIN: B0CJBQX6WR. Also, get the eBook version here, or here, please.
- *Lost Grove Part 1 by Charlotte Zang. Price: Free. Genre: Crime Thriller, Conspiracy, Suspense. Rated: 4.2 stars on 49 Reviews. 359 pages. ASIN: B0CSX713FZ.
- *Julia Lives in a Van Cozy Mystery Box Set Books 1-6 by L Richards. Price: Free. Genre: Mystery, Women Sleuths, Police Procedurals, Suspense. Rated: 4.6 stars on 44 Reviews. 999 pages. ASIN: B0BCH2QCSK.
- *No Son of Mine by Diane Ezzard. Price: Free. Genre: Psychological Thrillers, Women Sleuths, Noir, Suspense. Rated: 4.4 stars on 28 Reviews. 290 pages. ASIN: B096QYNWM6.
- *Find Me (An Addison Shine Thriller Book 1) by Diane Ezzard. Price: Free. Genre: Mystery, Women Sleuths, Police Procedurals, Suspense. Rated: 4.4 stars on 28 Reviews. 195 pages. ASIN: B0D74RXB5K.
- *The Love That Kills (Nate Rosen Mystery Book 1) by Ron Levitsky. Price: Free. Genre: Legal Mystery, Conspiracy, Suspense. Rated: 4.1 stars on 16 Reviews. 214 pages. ASIN: B07D9R1C27.
- *** Repeats
- ***The Florentine (Cain Book 1) (Repeat) by Tom Trott. Price: Free. Genre: Espionage Thrillers, Conspiracy, Suspense. Rated: 4.4 stars on 999 Reviews. 418 pages. ASIN: B09QXLHMV6.
- ***Blackdown (Repeat) by D Mitchell. Price: Free. Genre: Crime Thrillers, Historical, Adventure, Suspense. Rated: 4.2 stars on 999 Reviews. 294 pages. ASIN: B00FSOTXD8.
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.