Free and Discounted Mystery & Thriller Books

Prepare for suspense, excitement, and plenty of tense situations within these mystery and thriller selections! From high-speed thrillers to tense caper stories to fascinating police procedurals, these books will keep you entertained and enthralled for hours on end. Here's a selection of mysteries, legal thrillers, crime thrillers, spy thrillers, mystery thrillers, cozys and more!

Free: Marching Through the Fire

Lawrence J. Epstein

London, 1940. As the Blitz sets the city ablaze, a woman is murdered. Scotland Yard detectives join forces with Military Intelligence to track the killer, uncovering a Nazi plot and a powerful British traitor. Amid nightly chaos and danger, they must stop catastrophe—while unexpected romance sparks in the shadow of war. Free on Kindle.... Read more

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Heat of Hydration

Dwight Morgan

During work on a new UN headquarters, the building is hijacked and turned into a giant bomb set to detonate on opening day. To fund the terrorists’ scheme, seven sons are offered by their parents as sacrifices for the insurance payouts — but when one of them gets away, Interpol agent Colton Gray must uncover ... Read more

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The Girl from Moscow’s Edge

Nadya Frank

Stealing from the Russian mob is Zoya’s only chance to support her little brother—until someone kills her accomplice. With Russia’s sexist law banning women from working as auto mechanics, Zoya Volkova turns to small-time cons. But luring gullible drivers into staged crashes and car repair scams doesn’t bring in enough to rescue her little brother ... Read more

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Flippers, Blades and Murder (Apple Creek R-Park Department Mysteries Book 1)

Montie Red

Newly single mom forced back to hometown. Council member murdered at new job. Will she crack the case or become the next victim? Margaret is freaking out. Moving back to her mother’s home as a newly single mom while taking the Recreation and Parks director position in Apple Creek wasn’t part of the plan. Things ... Read more

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Free: Vamika

Lee Connor

When pet turns predator… Inspired by his fascination of big cats, Lee Connor wrote ‘Vamika‘ which is set where and when he grew up, in North London in the 1980s and 1990s. Vamika is a leopard kept illegally by career criminal, Bill Britton, who makes the fatal error of setting her free then having to track her ... Read more

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Free: Flippers, Blades and Murder (Apple Creek R-Park Department Mysteries Book 1)

Montie Red

Newly single mom forced back to hometown. Council member murdered at new job. Will she crack the case or become the next victim? Margaret is freaking out. Moving back to her mother’s home as a newly single mom while taking the Recreation and Parks director position in Apple Creek wasn’t part of the plan. Things ... Read more

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Into the Depths

Amara West

Marketing executive Cora Whitley’s biggest worry is her next quarterly report—until her best friend Elise sweeps her away on a spontaneous trip to Bolivia that promises to change everything.It does. Just not how she expected. When violence erupts in the remote Bolivian highlands, Cora finds herself thrust into a nightmare beyond imagination. The system that ... Read more

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Buried Secrets: Deadly Secrets Texas Trilogy – Book 3 : (A Standalone, Enemies-to-Lovers, Romantic Suspense Novel)

Denise Diana Huddle

Buried bones. Explosive danger. Forbidden attraction. When a brilliant preservationist and a hard-edged detective are forced to work together, sparks ignite in the shadow of a deadly conspiracy. As passion simmers and enemies close in, survival will depend on trust—and surrendering to a love neither of them expected. $0.99 on Kindle.... Read more

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The Perfect Family

Iris Baxter

Mellie thought her family’s darkest secrets died with them. She was wrong. A high-profile renovation brings her back to her childhood home, where her brother died. She finds hidden rooms, medical files, missing names—and someone watching. This isn’t a renovation. It’s a trap. $0.99 on Kindle.... Read more

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Max Gator

Vincent Zandri

When a massive, almost prehistoric gator infiltrates a privately owned South Florida, Ultra Maximum-Security Prison and begins its mission to feed on both inmates and corrections officers alike, panic ensues. Since permanent lockdown isn’t a sustainable option, especially since the gator is big and strong enough to breach the cells, the prison warden has no ... Read more

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The Body Politic: Book II of The Tribal Wars

Stella Atrium

Brianna Miller returns to Dolvia where tribal women protest the oppressive rule of Rabbenu Ely by self-torchings in the Cylay Square. Brianna re-establishes her tribal schools and takes on assistant Kelly Osborn who is mixed blood and also a poet. Kelly visits a neighboring planet Cicero where her aunt Carline Bryant takes over her education. ... Read more

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The Lawless Legion MC

Patrick Klein

Some men run from the darkness. Sonny built a brotherhood in it. In Pinecrest, respect is taken, not given. After one brutal night fractures everything, Sonny pulls together a crew with nothing left to lose. They weren’t born criminals—they were cornered into it. What starts as a response turns into a war for control. The ... Read more

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A Killer Bed & Breakfast

Alice Zogg

When a brushfire breaks out at Castaic Lake State Park in California, the guests at The Vista – a nearby bed and breakfast – assume it’s the work of the Southland Torcher, the arsonist behind a string of fires across Southern California. When Tim Weinbau, a guest at The Vista, goes missing, his girlfriend Amanda ... Read more

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Quantos Chronicles: The Scents of Memory

Alan Parkin

Jenna Floyd’s life shattered on July 4th, 2029. A heated argument with her husband, Ty, on a sunny beach led to a devastating chain of events. The next day, a drunk driver took Ty and their two children, Donnie and Mandy, in a horrific accident. Now, a year later, consumed by grief and guilt, Jenna ... Read more

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Revenge

A. M. Holloway

Love, Bullets, and a Second Chance — Will They Survive the Crossfire? When FBI Special Agent Micah French joins a high-risk pursuit through the streets of Tampa, he never expects the day to end with his partner shot and the woman he once loved holding his partner’s life in her hands. Finley Herald, the surgeon ... Read more

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Free: We Play Games

Sarah A. Denzil

Effie and Ben are partners in life—and in crime. Seduction, lies, and manipulation are their specialty. But when old secrets surface, their perfect partnership begins to fracture. And losing could be deadly. Free on Kindle.... Read more

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Ninety Eight Point Eight

Krista Candela

Mama wasn’t always scared of me. Oliver remembers when things were different. When Mama would hold him, dress him up for videos, tell everyone how special he was. Now he spends his days in the basement, in a room with padded walls and a door that locks from the outside. Mama says it’s for his ... Read more

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The John Callahan Series (3 Book Series)

Elizabeth Upton

John Callahan is a good man with a sinister past—and his past will not let him live in peace. Against the odds, he matures from a teenage Belfast street thug and an IRA killer to a happily married man and expectant father. Years later, just as he finds peace and serenity again as a monk ... Read more

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Free: Bakeries and Buffoonery

Elizabeth Pantley

When this club selects a book, magic happens. They are whooshed inside the book and become the main characters as the mystery comes to life. It is exhilarating fun – until they realize they can’t get out until they solve the crime and reach The End. In every book journey they are excited to meet ... Read more

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Vengeance of the Vanished Ones

Lee Orlich Bertram

“In Vengeance of the Vanished Ones, don’t miss this trip into Baja where mining interests and the need to preserve sacred rock paintings clash violently. Move over, Indiana Jones!” (Warren C. Easley, author of the Cal Claxton Mysteries) A fictional action-adventure based on an existing archaeological mystery and real archaeologists. $0.99 on Kindle.... Read more

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Free: Delusional Madness

Kimberly Taylor

In the shadowed corridors of a 19th-century Ohio asylum, truth is not only hidden—it is punished. Delusional Madness is a haunting and unflinching work of historical fiction that pulls back the curtain on the cruel, often forgotten world of mental institutions in the late 1800s. Cassie Alexander, a devoted mother and wife, is unjustly committed ... Read more

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Cupcake Crime at Maplewood Bakery

Valerie Loyer

One dead body, one suspicious cupcake, and zero time to panic. Bakery owner Mia Harper didn’t sign up for murder at the Berry Festival—but she’s not backing down. With her cat and her sass in tow, she’s about to turn Maplewood upside down. First in a cozy mystery series. Released July 26, 2025. $3.99 on ... Read more

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Free: Glass Half Broken

Rachel Richards

Annie knows she’s different. A child genius with crippling social anxiety and a compulsion for self-harm, Annie blames herself when her dad runs off. As she matures, her grief is reignited each time someone she cares about mysteriously disappears. When she finally discovers the shocking truth, Annie’s next move could mean life or death. Free ... Read more

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Free: BLOOD RIVER

C.E. Nelson

When two anglers are brutally murdered on a remote island, new sheriff Dave Trask finds himself in the middle of rising tensions between lodge owners and Native American guides while trying to catch an elusive killer with an inexperienced staff. Dave enlists the help of his twin brother Don, lead agent for the BCA. Together ... Read more

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Free: Louisiana Longshot (A Miss Fortune Mystery, Book 1)

Jana DeLeon

Miss Congeniality meets The Golden Girls in this hilarious mystery set in southern Louisiana. With a price on her head and a leak at the CIA, assassin Fortune Redding undertakes her most difficult mission ever…in Sinful, LA. Armed with her considerable skills and two ladies the locals dub The Geritol Mafia, Fortune decides to solve ... Read more

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The Max Quinn Conspiracy

Harry Parker

Max Quinn thought she had it all. A successful law career, a loving family, and a quiet life in small-town Richmond. But when a mysterious list of young boys’ names lands in her lap, her world begins to unravel. What would you do if you found out your child was involved in a government conspiracy? ... Read more

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Dienw Neb

It’s 3am in the Spire and you ran out of ramen two days ago. You just took a triple-dose of your nootropic stack to see if it would make you smarter but instead you just sh*t yourself. You’re pretty sure the cartoon harlequin on the billboard outside your only window is laughing at you. Nobody ... Read more

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Visage of Moros

Tamel Wino

A relentless first instalment of the Decay Abloom series that probes into the psychological toll of grief and the blurred lines between justice and vengeance. In the wake of a vicious and calamitous loss, Drystan Caine finds himself on the verge, his life thrown into chaos. With the law enforcement investigation stagnating, he embarks on ... Read more

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Saving Maria

Truant Memphis

Littlethumb Brooks is an internationally renowned artist suffering a life of great tragedy. While the world knows Littlethumb as a famous painter, he secretly moonlights as the operational force behind his uncle’s globetrotting team of soldiers of fortune, the Electric Medicine Men. When Littlethumb’s most famous collection of paintings, The Marias, is stolen, it’s up ... Read more

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Free: The Cannabis Preacher: Sermon One

Sabine Frisch

Connor Beauregard is always looking for ways to make money. Despite his many failed business ventures, he is determined to succeed when a unique opportunity to become a legal drug dealer comes his way. With the charisma of an evangelical preacher and an ego larger than God, Connor knows that nothing will stop him from ... Read more

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The Vig

John Nuckel

“We facilitate financial transactions for a fee. That is what we call the Vig.” The most corrupt decade in Wall Street history was a good time to steal a little bit of money from a lot of people. $1.99 on Kindle.... Read more

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Awakening REVENGE

P.B. King Sr

Since 1983, – The “net”as its known is a collection of independent networks, under the control of people., businesses and government.. The Internet is a public , self sustaining system. Used by everyone as a primary source of communication, information and social media and sharing. It is redundant, so if even one portion goes down, ... Read more

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Free: Into the Depths

Amara West

Marketing executive Cora Whitley’s biggest worry is her next quarterly report—until her best friend Elise sweeps her away on a spontaneous trip to Bolivia that promises to change everything.It does. Just not how she expected. When violence erupts in the remote Bolivian highlands, Cora finds herself thrust into a nightmare beyond imagination. The system that ... Read more

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Winner’s Curse: A Lynn Dayton Thriller

L. A. Starks

“an energy executive finds herself entangled in international corruption . . . obstacles abound in the tension-packed narrative as a person close to Lynn works against her, a killer tries to cover their tracks, and acts of sabotage prove deadly . . . A measured but gripping tale of malfeasance on a global scale.”–Kirkus Reviews ... Read more

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NOW & THEN

Justin M. Kiska

In 1981, Parker City is rocked by a series of unthinkable murders like it has never seen before. From one of the most prominent and powerful woman in the city to a pair of high school students, who is praying on the women of Parker? Under great pressure from the powers-that-be, it is made clear ... Read more

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Free: A Mask with Two Ribbons

Daniel Seamster

A storm traps the guests inside Blackthorne Manor. A masked ball turns deadly when a body is found—but no one admits the crime. Told through haunting voices—widows, soldiers, maids, and a cat who remembers—this gothic mystery unravels secrets buried in velvet and bone. For fans of Rebecca and Knives Out, each page tightens the noose. ... Read more

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The Embalmer: A Steve Jobz PI Thriller

Vincent Zandri

When the police ask Jobz to head up a murder investigation, he has no idea he’s about to come face to face with a serial killer who embalms his victims alive. What he is also about to face is his own worst nightmare come true when that serial killer turns out not to be a ... Read more

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Taken: A Mother’s Secret

Dan Lawton

Nine-year-old Chloe Janis is missing. Abby, her mom, is now faced with an impossible decision—revealing seventeen-year-old secrets she’s kept hidden, or losing her daughter forever. $0.99 on Kindle.... Read more

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Free: Battlelines

Lawrence J. Epstein

This mystery thriller begins in 1938. The Nazis know that Winston Churchill is their greatest enemy. They therefore send two trained agents to London—but not to kill him. They must figure out how to eliminate his power while keeping him alive. Meanwhile, two Scotland Yard detectives are assigned to solve a murder. Their investigation leads ... Read more

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Full Circle

Stephen Kronwith

A past that won’t stay buried. A killer who’s been waiting. Can Detective-Sergeant Jane Rieger-Franklin outthink a predator who has spent a decade preparing for this moment? Or will the past finally claim its revenge? Packed with gripping suspense, razor-sharp, witty dialogue, and intricate family dynamics, Full Circle is a thriller that will keep you ... Read more

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