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!

Snowbound

Chris Phipps

Sarah Wagner, on her way to a remote cabin in upstate New York, takes a wrong turn in a blinding snowstorm. Her car slips off an abandoned road, and Tracy, the friend who invited her to visit, isn’t answering her phone. When Sarah finally makes it to the cabin, Tracy is missing. Sarah is trapped, ... Read more

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Laser Trap

Frank DiBianca

Quincy University engineering grad students Dan Butler and Lana Madison are trying to unravel their mutual confusion about how attracted and attractive they are to each other, when Dan’s lab laser unexpectedly begins to produce unheard of amounts of brightness and power in its laser beam, making it a candidate for super-weapons. StarWay Labs, an ... Read more

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Free: Falling into Magic : Destiny Falls Mystery & Magic Series Book 1

Elizabeth Pantley

An accidental journey through a magic mirror. A portal to an enchanted land. A mysterious family she never knew she had. Hayden’s life is upended with the wonder of Destiny Falls. But it is tainted by the danger that brought her here and that threatens her newfound family. Can Hayden and her sassy sidekick remove ... Read more

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CODE NAME: THE FOX – Operation Yucatan Cartel

Dr. Hal Bradley, DD

Hatred is a tough monster to kill, as Harold soon discovers the moment he realizes that his war against the cartels is morphing into a never-ending vigilante mission. There is a lot to be said about the devastation that the cartels bring into human existence. But Harold Brandon, drug-lord-turned-minister-turned-contractor-turned-vigilante, is not about to sit idly ... Read more

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Free: The Vigilante Judge

Saimum Islam Jeem

A vastly experienced judge, Ishtiak, comes to Presington Town, a town filled with lawlessness and criminals. James, another judge of the town, had tried all his might to bring justice to the town before Ishtiak’s arrival. But lack of evidence made him crippled for all cases and serial killers and serial rapists walked out unpunished. ... Read more

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GRAVE INTERVENTION

Shira Shiloah

  This new release dubbed a “ghostly investigation and compelling mystery” by Midwest Book Review, follows the author’s bestselling debut novel, EMERGENCE. Inspired by true events set in Naperville, Illinois, GRAVE INTERVENTION is a paranormal medical suspense that blurs the lines between real and imaginary, exposing the hidden side of a historical suburban town. $1.99 ... Read more

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Free: The Troubled Man (A Q.C. Davis Mystery)

Lisa M. Lilly

The last time lawyer Quille C. Davis investigated a crime as a favor to a friend, she found answers but destroyed the friendship. Still, she can’t say no when a desperate teenage girl begs her to help exonerate her father, in jail for the murder of the girl’s mother. But is Quille risking her life ... Read more

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Free: Killing Rebecca

K. J. North

An Ordinary Life… Marni Rome lives a happy life with her husband and two wonderful children. Her heart is filled with love for them. It’s a life that excites her every morning when she gets out of bed. She’s lucky to be living in a beautiful home overlooking the Pacific Ocean, and she loves her ... Read more

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Free: Jack of All Trades

DH Smith

Jack Bell is a builder and unwitting sleuth in this twelve book series. Each stand-alone novel has a murder and some romance. There are a variety of settings including an an apartment block, a school, a cemetery, a park, a guest house and several houses ranging from a millionaire couple to those just getting by. ... Read more

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The Reading Problem

K.C. Brennan

In book 5 of the Mila K. Mysteries we find Mila and her friends tirelessly working on finding the key to the mysterious document found in the library at the University of Chernivtsi. Why is a secret society so desperate to find it that they send an assassin to infiltrate the staff at the university ... Read more

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CODE NAME: The FOX – Operation Tucson Cartel

Dr. Hal Bradley, DD

Making things right was drug-lord-turned-contractor/minister Harold Brandon’s new purpose. But he soon finds out that changing sides comes at a steep price. Harold’s Harley roars across asphalt and dirt toward a meeting with DOJ agents and a few informants. It’s been eight years since he decided to do the right thing and take on the ... Read more

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Once Upon a Murderous Delusion

A.G. Russo

The year is 1980 in a sleepy New England town. A series of devastating murders threaten the community. A serial killer has begun a deadly game of catch-me-if-you-can with local police, who have dubbed the carnage, “The Mommy Murders.” Frightened residents believe the hospital psychiatric unit is somehow to blame. Nurses disagree. Can the killer ... Read more

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Free: Fire at Will

Jules Harvey

Combat vet, single mother, woman with a past who will do anything to escape her ex and protect her child. Free on Kindle.... Read more

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Reluctant Medium

GG Collins

All Rachel Blackstone wants is to talk with her father; solve the mystery of how he died. Using a Native American ceremony given to her by a shaman, she summons him in this paranormal mystery. Instead, a soul intent on revenge slips through and threatens people she loves. Now the Santa Fe, New Mexico reporter ... Read more

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Free: Cold Case Detective Katie Scott & K9 Cisco

Jennifer Chase

Detective Katie Scott is a retired Army K9 handler and is now heading up the cold case unit at the Pine Valley Sheriff’s Department in the California mountains. Battling PTSD and department politics, she and her partner must uncover and find some of the most dangerous serial killers while keeping children and woman safe. Free ... Read more

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Beneath Cruel Waters

Jon Bassoff

Holt Davidson, a Kansas firefighter, hasn’t been back to his hometown of Thompsonville, Colorado, for more than two decades, but when he learns that his estranged mother has taken her own life, he returns for the funeral, hoping to make peace with her memory. He spends the night at his childhood home, rummaging through each ... Read more

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Free: Scam A-Lama Hardball

Jinx James

Lured by an irresistible offer for a new album, Rock Star Marc Charles can’t believe his luck … and then he discovers the catch! He has to sing a shitty song as part of the deal. There’s something underhand going on with the mysterious overseas organisation behind the album offer. He’s faced with ruin when ... Read more

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Free: The Case at Barton Manor (Mrs. Lillywhite Investigates #1)

Emily Queen

If one more person gives Rosemary Lillywhite unwanted advice on when to stop mourning the loss of her beloved husband, she fears she will lose control of her sensibilities. All she wants is to be left alone to drown her misery in a glass of gin and tonic, but when Grace Barton knocks on the ... Read more

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Free: Mystery Along the Danube

A. Nation

Who would have thought Rosetta’s exotic trip to Europe would involve thieves and kidnapping? (Book 1 of 3) Free on Kindle.... Read more

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Free: The Meriwether Files

Mark Arundel

Bartholomew W. W. Meriwether is determined to be the chief of Ennead, the nine-person alliance at the centre of British Intelligence. But how to achieve his aim, and is there anything he won’t do and no risk he won’t take to make it happen? Employing all his knowledge and significant power, the spymaster goes about ... Read more

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A Touch Of War

Isaac Stormm

It’s the present day. Behind the scenes, the world faces its greatest threat in nearly a century. Caught in the middle are two tested nations, the United States and Israel, who witness their historic relationship stretched beyond its limits as they attempt to plot a course to try and prevent what could become armageddon, and have you pondering the ... Read more

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Free: DON’T LIE TO ME

Willow Rose

Every Parent’s Worst Fear! A 12-year-old girl goes missing at camp, and her body is found months later in a sleeping bag. When a second child is kidnapped, FBI profiler Eva Rae Thomas is determined to get to the bottom of the tragedies, but the closer she gets to the truth, the more dangerous it ... Read more

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Flamenco Dancers

CB McCarty

Can an unexpected love affair between an American photographer and a Spanish flamenco dancer survive a murder? $3.99 on Kindle.... Read more

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The Fatal Couple, An Absolutely Gripping Psychological Thriller

Julie Bergman

Best-selling author of The Fatal Creation Brandon wanted a little fun with a beautiful woman, but this wasn’t what he had in mind. He hoped she would remove the cuffs so he could touch her gorgeous body. Just as that thought entered his mind, he lost the ability to breathe. One airman and four civilians ... Read more

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Free: Witch Indeed (A Mackenzie Coven Mystery Book 2)

Sonia Parin

Mackenzie Coven rule number one: Do not lose your cat. Lexie and Luna are representing the coven at a prestigious feline extravaganza. There are only a handful of guests attending and they all have their eyes on Luna, but one of them also has blood on their hands. If they killed once, they’ll kill again. ... Read more

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Free: Escape to Osprey Cove

Luisa Marietta Gold

The mystery begins with an unusual find in the secret compartment of Doug’s new Corvette, changing his and Catherine’s life forever. Doug’s mysterious behavior afterward forces Catherine to escape to The Osprey Cove Lodge, where she finds something even more valuable. The series is uniquely written, spanning seven geographic locations, from the scenic Canadian region ... Read more

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Free: Ghosts of Guatemala

Collin Glavac

The CIA is facing catastrophic blackmail at the hands of an erratic Guatemalan drug lord. Desperate for a swift solution, the agency calls in their black operative fixer: John Carpenter. John is a cold-blooded professional ready for the job. but is still haunted by the mysterious death of his best friend who died on a ... Read more

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Free: Crazy On You

Christen Bensten

Crazy On You is a psychological thriller. This is a book club, female-driven piece of fiction with domestic suspense and neighborhood paranoia. Olivia, the protagonist, has a dark past. She struggles with depression and anxiety, slowly unraveling throughout the novel. We are given a foreshadowing of her devious nature when she poisons her new bestie’s ... Read more

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Free: Only Watching You

Mark West

After separating from her cheating husband, Claire begins to feel she is being watched. She nearly gets run over and someone daubs a hangman symbol on a wall near her house. As letters begin to get added to the game, concerned for her son more than herself, she’ll need to find the identity of her ... Read more

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The Seller of Sins

Kristina Gallo

Karolina and Filip are in a turbulent marriage. She is internet addict and chatting with strangers, and he is immature and passive. When he meets fatal Blanka in a business journey, things will get worse. $1.24 on Kindle.... Read more

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Betrayal at Ravenswick, A Fiona Figg Mystery

Kelly Oliver

Downton Abbey meets Agatha Christie in this “highly entertaining” series opener. What’s the best way to purge an unfaithful husband? Become a spy for British Intelligence, of course. Desperate to get out of London, and determined to help the war effort and stop thinking about her philandering husband, Fiona Figg volunteers to go undercover. At ... Read more

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Predator in the House

Joanne Parsons

Karl Shea, Detective for Boston’s Sex Crimes Unit, learns he has terminal cancer just as he is about to retire. He vows to do two things before he dies. He wants to make up to his wife for being a terrible husband and find a young girl, gone missing, with the son of a senator ... Read more

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Free: Shots Fired

Ian Robinson

After going cold, a London murder case suddenly reignites when the weapon used is connected to murders in Glasgow and Belfast. DI Nash and DC Moretti investigate but find the world outside the big city a very different challenge. Nash will have to go out on a limb but will Moretti defend her? Free on ... Read more

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Free: More Blood Than Flesh

Matthew Keller

More Blood Than Flesh follows siblings Mae, Tenn, and Bird Ellis who, after discovering their mother has been murdered by their father, must escape the lawless community they’ve called home all their lives. A horrifying level of violence awaits the siblings as they confront drug dealers, a mysterious lady who offers to help get them ... Read more

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Last Verse

SJ Talbot

Last Verse is a gritty, fast-paced mystery, dripping in dark humour. It’s music and murder – the rhythm of life…and death. Wanna dance? What happens when a detective who has been working undercover for years, is forced to return to mundane, regular duties? Meet Harry Stallard. The singer of a band is missing, and Harry ... Read more

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Free: Crimson Winter

Ken Adams

Lucy Wang, a Chinese woman, leads an idyllic life in Montreal under the protective wing of her husband Patrick, an English Canadian entrepreneurial millionaire whose career is on the rise. Her crystal castle (plans to become a mother included) cracks when she discovers that he´s having a passionate extramarital affair. Chance leads her to learn ... Read more

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Free: Reinvention Retribution

DJ Robb

In this second book of the trilogy, D teams up with the vivacious Vic, aka, Victoria Lawson, Attorney at Law, to fill the great abyss left by his dream girl, Candice Parker, gone rogue. Raw confessionals between Vic and D, spilled in the wilds of Saskatchewan, exorcises their demons, and prepares them for the dangers ... Read more

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Free: Joey Mancuso Mysteries Vol 1-5 (A Joey Mancuso, Father O’Brian Crime Mystery)

Owen Parr

The first five volumes of the Joey Mancuso & Father O’Brian Mystery Series are now available at a killer bargain. FULLY REEDITED AND PROOFREAD AUGUST 2021 This rare crime mystery series has something for everyone—a tough guy, three awesome women, and a classic Golden Age gentleman-detective clergyman. The twist? The cop and the cleric are ... Read more

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Justice Begins Complete Series Boxed Set: An Atlantica Universe Adventure

Michael Anderle

The ancient island of Atlantis was rediscovered in the 1950s and a war-weary world had to decide how to handle this. Enter Atlantica, the land of promise where there are no politics, no ideologies, no loyalties. By 1965, business is booming, but the wheels of this materialistic machine are crushing innocents in its voracious ascent. ... Read more

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Free: Deadly Alliances

Candle Sutton

US Marshal Milana Tanner’s past is as shadowy as the criminals she hunts. When her brother is thrust into the crosshairs of an infamous assassin, she’ll do anything to protect him – even confront the demons from her own mysterious past. The truth tests her faith and challenges everything she thought she knew… but it ... Read more

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