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: Escape to Osprey Cove

Luisa Marietta Gold

What Doug finds in the secret compartment of his new red Corvette will forever change his life. It will also change Catherine’s. Doug and Catherine come from two different worlds. Catherine’s world is one of privilege and wealth. Doug grew up dirt poor and full of envy of others who had the things that he ... Read more

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The Bug Hunter

Ken Davenport

“You have an appointment in Samarra.” This cryptic message, a parable that reaches back in time to the Babylonian Talmud, sets in motion a complex terror plot where rogue scientists have turned nature itself into a devastating weapon. Within months of the message being received, a virulent toxin is killing people up and down the ... Read more

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Free: Both Sides of the Law (The Casper Halliday NYPD Series Book 1)

Nathan Roden

He shared his father’s dream of becoming a detective. A prison sentence was not part of the plan. On his seventeenth birthday, in the throes of depression, Casper Halliday made a desperate decision. That decision brought him face-to-face with one of the most dangerous men in the city—and a future he could never have foreseen. ... Read more

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The Watcher in the Night

Mike Maroney

Tobias is an Inquisitor of the Watch Cats and patrols the dangerous streets of a big city where the lives of animals and humans are governed by an ancient code. Investigating the brutal murder of three kittens, Tobias uncovers a more sinister and dangerous conspiracy. In a city ripped apart with violence, greed and pollution, ... Read more

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Free: Hill of Secrets

Michal Hartstein

On a blooming May morning, the five bodies of a religious family are found in their apartment in the quiet suburb of Samuel’s Hill (Giv’at Shmuel). Detective Hadas Levinger, the renegade atheist daughter of a religious family, is put in charge of the police investigation. Slowly and skillfully she peels away the shell protecting this ... Read more

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Nondisclosure: A Medical Thriller

Geoffrey Cooper

Sexual harassment at a major medical research institution. When a leading professor accuses a colleague of drugging and sexually assaulting a student, department chair Brad Parker and university detective Karen Richmond join forces to investigate. An investigation that takes unexpected turns and reaches the highest levels of the university. $0.99 on Kindle.... Read more

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Free: The Reluctant Detective

Tom Fowler

It’s C.T.’s first case. He wants to ease into the job. Instead, he gets Alice. C.T. discovers his client is a liar, and both their lives are in danger. Can he keep his first case from becoming his last? Free on Kindle... Read more

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Creation of Madness

Linda B. Meyers

Oregon 1989. Dr. Laura Covington, newest nutcracker on staff, tackles a client haunted by Multiple Personality Disorder who reveals a deadly cult practicing mind control on kids. Laura must decide what she’ll do to protect them, and if she, too, is capable of the creation of madness. Tense, unpredictable psychological suspense. $0.99 on Kindle... Read more

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Russian Dolls

Cristelle Comby

She’s lost a friend. He’s lost his sight. Can Neve and Egan expose the twisted truth before they become the next victims? College student Alexandra Neve never backs down from a challenge. So when her BFF Irina dies of an apparent suicide, she channels her grief into cracking the case police refuse to touch. After ... Read more

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The 51st Directive

Michael Agliolo

A handwritten letter, sent to the FBI unleashes a trail of deceit putting the armed forces of the United States in direct conflict with each other. Discover the power of the 51st Directive through the eyes of FBI agent Erica Brewer as she and Washington D.C. Detective Sam Marco uncovers a secret government conspiracy that ... Read more

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The Rose Diary

Curtis Maynard

A young girl has a paranormal experience that leads her to investigate the cause of her sisters death. With twist interns in every corner it will keep you on the edge of your seat turning each page. $0.99 on Kindle.... Read more

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Free: Chilling Effect

R.J. Pineiro

Chilling Effect, R.J. Pineiro’s newest thriller, explores a world in the not too distant future where terrorism is taken to a new level, one with world-ending consequences. You never know what you’re capable of…until the monster inside of you pushes you beyond your moral line in the sand. These are the opening thoughts of former ... Read more

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Jefferson’s Ashes

K.R. Eckert

150 years ago, in the unreconstructed South, a group of powerful families forms an organization for the protection of the old plantation way of life. In a climactic moment of terror, they murder a man who shouldn’t exist, a man whose very life could change history. Then the group vanishes into time. 150 years later, ... Read more

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Pride & Extreme Prejudice

Eric J. Gates

PRIDE can be the downfall of many. FBI Senior Special Agent Thompson had been trying to catch the paid assassin known as The Lion for many years. Now, as retirement looms, fueled by his sense of being outwitted at every turn by the killer, he takes drastic action, with unforeseen deadly consequences. EXTREME PREJUDICE, a ... Read more

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Closer Than You Think (A Broken Minds Thriller)

Lee Maguire

Somebody’s been watching Bryce for a long time. Somebody who knows his life inside and out—his fears, his regrets, his greatest longings and deepest despairs. Somebody with access to his most private places—his workplace, his home, his family…anywhere Bryce might have felt safe. No matter how close Bryce gets to the deadly truth, the enigmatic ... Read more

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Unbound

R.C. Butler

When a high profile socialite is found dead, posed in an extremely provocative position, Lieutenant Ellison Frost must set aside her personal connection in pursuit of the truth. As the case pushes into the reaches of the victim’s sexually deviant lifestyle, Frost must battle exposing her own private life and the duality it has become. ... Read more

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Khaybar, Minnesota

Already down on his luck, Hack Wilder must confront terrorism in his tiny hometown. $2.99 on Kindle.... Read more

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Free: One Last Prayer for the Rays (Crime Thriller)

Wes Markin

School should be the safest place in the world.  But it’s not this winter. Detective Michael Yorke faces his most harrowing case yet. When 12-year-old Paul disappears from school, Yorke’s only clue is a pool of animal blood. Fearing the worst, he turns toward the most obvious suspect, recently released local murderer, Thomas Ray. The ... Read more

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Free: Tokyo Firewall

Elizabeth Wilkerson

An outsider in a foreign land. Her twisted cyberstalker. She’ll fight tooth and nail for her digital privacy. Her life depends on it. Tokyo, the ‘90s. When Alison Crane quit her environmental law practice and followed her hotshot investment banker boyfriend to Japan, she thought they’d only grow closer. But jobless and broke, Alison sits ... Read more

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Free: One Last Prayer for the Rays

Wes Markin

Join Detective Michael Yorke in a frantic race against time to save a missing schoolboy. His only clues: a pool of blood and a mutilated corpse. ‘An explosive and visceral debut with the most terrifying of killers,’ Best Selling Crime Writer Stephen Booth. Free on Kindle.... Read more

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The Monster

Josh Soule

Josh Soule’s premiere thriller, The Monster, follows the psychological decline of a nameless narrator who tells his tale of being stalked and framed by a local serial killer.His relationships with friends and family deteriorate, and he soon is required to fend for himself. As days tick by, the time must come to find his way ... Read more

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Scarlet Fever: A Crime Thriller

David Stever

Private investigator Johnny Delarosa’s seen it all. But when a drop-dead gorgeous redheaded mystery woman walks into his bar and drops a $20,000 retainer in his lap, he knows he’s met his match. Claire Dixon wants the hard-drinking Johnny to find $2 million that was stolen from her mob-wife mother thirty years ago, but the ... Read more

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The Inside Man

Levi’s search for the kidnapped grandchild of a Japanese mob boss plunges him into a world filled with chaos. When he’s falsely accused of a heinous series of crimes, the FBI makes Levi an offer he can’t refuse: use his mob connections to help investigate the murders of several undercover agents or find himself in ... Read more

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River Road

Eric Wilder

Bizarre New Orleans death ceremony ends in murder. French Quarter private investigator Wyatt Thomas meets a new client at an eerie wake at a Canal Street theater. When the client is murdered before his eyes, Wyatt must go on the run to save his own life. Armed with a bag of cash and a single ... Read more

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Free: A Berry Clever Corpse

Cooking disasters, crazy new friends, and two hunky men vying for her attention – will Kylie Berry survive her move to the small town of Camden Falls? And will she be able to prove that her friend Susie is not a killer, or will the real murderer get to her first? Free on Kindle.... Read more

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An Innocent Man

K.C. Sivils

There is no justice in the universe except for the rich and powerful. At least it seems that way. 500 years in the future, technology has changed. Humanity has not. One man’s fate lies in the hands of a team of corrupt prosecutors bent on making their prosecutorial mark for personal gain. Standing in the ... Read more

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Free: Wicked Innocents (Case No. 1, The Frontenac Sisters: Supernatural Sleuths & Monster Hunters)

S.H. Livernois

Evil hides behind the sweetest faces. Even the face of a child. Meet the Frontenac Sisters, Hyla and Lizeth, as they face one of their most difficult foes: a nine-year-old girl with a devious imagination and a dark secret. Free on Kindle.... Read more

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Free: Separated

Nick Oetken

If you were cut off hundreds of miles apart from your children when the grid across the United States went down, what lengths would you go to find them? That’s the exact question facing parents Bill and Sally Chandler when an EMP goes off while vacationing in their getaway cabin out in the Montana countryside, ... Read more

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A Dickens of a Crime

Phyllis Moore

The murder of a prominent socialite inspires community volunteer, Meg Miller, to find out more about the victim’s family and the controversial mega church on the edge of town. Meg is also motivated to clear her name as one of the suspects. After all, she did discover the body while prepping for the annual historic ... Read more

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The Line Between

Tosca Lee

In this frighteningly believable thriller from New York Times bestselling author Tosca Lee, an extinct disease re-emerges from the melting Alaskan permafrost to cause madness in its victims. For recent apocalyptic cult escapee Wynter Roth, it’s the end she’d always been told was coming. $1.99 on Kindle.... Read more

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Free: Dog Gone Lies

Ted Clifton

Drained by the wearisome job of rural county sheriff, Ray Pacheco has withdrawn to a life of seclusion. But not for long. A stray show dog and a dead body begin an adventure with ties to the past. New eccentric companions become extraordinary allies. Soon they are all in great danger, even the dog. Ray ... Read more

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The Shotgun’s Wedding: A Cozy Mini-Mystery

Jwyan C. Johnson

Gun smoke fills the air with a runaway bride, a clever psychologist, dangerous shenanigans, and another in-law… in law. Can the Clue Queen chase down the truth before the wedding smoke clears? $0.99 on Kindle.... Read more

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Free: The Hit

Michal Hartstein

A mysterious hitman opens fire on a Tel Aviv café and opens a Pandora’s box. The tortuous investigation includes colorful characters acquaintance with the dark alleys of Tel Aviv and the luxurious offices of high tech companies. Free on Kindle.... Read more

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Free: Escape to Osprey Cove

What Doug finds in the secret compartment of his new red Corvette will forever change his life. It will also change Catherine’s. Doug and Catherine come from two different worlds. Catherine’s world is one of privilege and wealth. Doug grew up dirt poor and full of envy of others who had the things that he ... Read more

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The Summer Nanny: An Emerald City Thriller Novella

Audrey J. Cole

It was the perfect summer job—until it turned into her worst nightmare. Bridgett is enjoying an idyllic summer as the nanny for Leo, the son of Paul and Emily Cooper—a famous actor and renowned charity founder. Not only is she generously compensated to care for Leo at the couple’s Seattle waterfront estate, she develops a ... Read more

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The Moon in Deep Winter

Lee Polevoi

Parker Sloane has given up his job smuggling cash for a drug cartel and returned to his childhood home in the woods of New England. There he finds his family just as paranoid and unpredictable as the underworld types he just escaped. Now Parker has to manage family dysfunction and he’s unaware that each has ... Read more

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Gate 76

Andrew Diamond

Named to Kirkus Reviews’ Best Books of 2018. “One of the year’s best thrillers.” — BestThrillers.com A mysterious woman fleeing an unknown terror boards the wrong plane at San Francisco International and disappears into the heart of the country. Freddy Ferguson, a troubled detective with a violent past, believes she’s the last living witness to ... Read more

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Knee Deep

His wife went missing 5 years ago…She was boating with some friends. That was the last time he saw her. Her boat was found in a marina in the Bahamas…The numbers had been changed and the railings were gouged. He never gave up hope in finding her. When a new woman works her way into ... Read more

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Free: The Delight

….it’s the final twist that leaves you breathless. Because at the end of your rope, is the end of your story…. And it’s all so deadly simple. One young female detective. Two small-town suicides. The unspeakable truth no-one in their right mind should ever dare find. Free on Kindle.... Read more

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Free: Cutie

Peter Stein

Jari Styrman’s life and career are failing. As a young man, he left Sweden to achieve a dream: succeed as a computer consultant in the United States. Now, a few years later, Jari is burned out. He is forced to accept assignments at a sex company where an incident leaves him horrified. He abandons the ... Read more

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