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!

The Resident

KJ Kalis

Everyone makes mistakes in residency. But mine might kill someone. Dr. McKenna “Mac” Forbes is in the final stretch of her grueling medical training, juggling impossible hours, high-stakes decisions, and the ever-present pressure to prove she belongs. But when a brilliant new attending, Dr. Jonathan Shaw, arrives at Liberty Hill Hospital, everything starts to unravel. ... Read more

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The Ash Seal

Christos Vlassis

If you are looking for your next dark, atmospheric obsession, step into the gritty, shadow-filled underworld of 1996 Athens. The Ash Seal is a gripping neo-noir crime thriller that will pull you into a web of corruption, betrayal, and inescapable guilt. Detective Stefanos thought he knew his city. He thought he knew the people closest ... Read more

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Free: The Reluctant Coroner

Paul Ardoin

Blood is thicker than oil—until murder is involved. Fenway Stevenson doesn’t want to return to the coastal town where her estranged father is practically king. But the death of her mother draws her back home–and the murder of the county coroner draws her into a deepening conspiracy. As the body count rises and all signs ... Read more

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Frontier Series

Michael Cardwell

  In the wide-open country of Montana, the land keeps its secrets—and U.S. Marshal Danny Coogan has a habit of digging them up. From the moment a trusted friend leaves him for dead in the frozen backcountry, Coogan’s life becomes a relentless pursuit of truth across the rugged West. What begins as small-town violence quickly ... Read more

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The First 72 Hours

James Hunt

No one believed him. Everyone laughed. But when an EMP cripples the nation, Jackson Kent is one of the few prepared to survive. He must now rescue the family who rejected him from the violence of the city streets and bring them to his mountain homestead. $0.99 on Kindle.... Read more

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Singularity Point

Mark Hacker

As a godlike rogue AI unleashes catastrophic cyberattacks and evolves beyond human control, humanity races to stop a machine-born monster growing smarter—and deadlier—with every passing second. $0.99 on Kindle.... Read more

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Now & Then

Justin M. Kiska

In the spring of 1981, Parker City is rocked by a series of unthinkable murders. Decades later, the case comes back to haunt the detectives involved. Did they get it wrong all those years ago? Find out in the first book in the Parker City Mysteries Series! A Finalist for the 2022 Silver Falchion Award ... Read more

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Free: Killer of Killers 1: Visions

Charles Welch

Kalen McDonald is a normal man in every way but two. He is married to the love of his life, has a son he adores, and enjoys his career as a real estate agent. The exceptions to his mundane existence are secrets: Kalen is a serial killer—and Kalen has a special gift. He murders other ... Read more

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Frontier Vengeance: A Coogan Mystery (Frontier Series Book 4)

Michael Cardwell

Danny Coogan is now working as a US Marshal, and he is within weeks of becoming a father for the first time. During a takedown of a fugitive, he makes a grisly discovery: a body, and it’s the son of someone he knows and works with. Thus begins an off-the-books investigation that leads him to ... Read more

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Free: Sentences of Death

Lawrence J. Epstein

The hero of this mystery novel, Daniel Somerset, is determined to solve the murder of a famous writer. Daniel must track down the writer’s hidden manuscript and face the suspects, the rich and famous in the Hamptons. Searching for love, reconciliation with his father who has a secret, and an identity he can live with, ... Read more

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Who’s Killing All My Old Girlfriends?

Jon Spoelstra

The cops think retired blogger Charlie North murdered his three old girlfriends. They want him to fry. Can Charlie catch the killers before the cops—or the killers—catch him? There is a rousing finish at a lonely Oregon beach house. Justice prevails in strange ways. This is a fast read. Old guys like things fast. $0.99 ... Read more

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Moonlight Falls: Editor’s Cut Edition

Vincent Zandri

“If you knew your life could end at any moment, how far would you go to prove you murdered your lover? ” Albany, New York, is the dark setting of this paranoid thriller about Richard “Dick” Moonlight, former APD detective turned private investigator, who believes he killed Scarlet Montana – his illicit lover and wife ... Read more

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Free: Cowboys and Chaos

Elizabeth Pantley

This book club dives (literally!) into the pages of a cozy mystery. This quirky group of brave members must solve the mystery to get out of the book.  It’s so much fun – you’ll wish for a book club like this! Free on Kindle.... Read more

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Free: The Mystery of the Dying Giant Pumpkins

William McKibben

A charming farm mystery that blends science, family, and country life into one unforgettable tale. When Becky and Kurt visit their grandparents’ farm for the summer, they discover that someone has been sabotaging the giant pumpkin contest at the county fair. With the help of their wise Grandpa — a seasoned soil consultant — the ... Read more

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Free: West End Justice (A Detective Morgan Foster Vigilante Justice Thriller Book 1)

KJ Kalis

Everything in Detective Morgan Foster’s life is a secret… Living in West End, West Virginia wasn’t part of the plan, but the murders of her husband, Peter, and her partner, AJ Roth, have sent her into hiding. For a while, everything seemed to be fine, but two dead bodies at her waitressing job tell another ... Read more

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Four Cold Months

KJ Kalis

Detective Max Grady’s past haunts him every single day. The day he finds out Macy Chandler has been missing for four months is no exception. Now, a ransom demand has come in, one that her family doesn’t understand and can’t fulfill. With no options and no leads, Max sets out to find the kidnappers and ... Read more

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No Bee Haven

Victoria Montes

No Bee Haven is a high-stakes military thriller of loyalty, corruption, and courage, when the cost is everything. When PFC Virginia Hornet—a loner with deep trust issues—joins the Army, she believes it will be a stepping stone: earn her college money, serve her time, and get out. But the greatest danger she faces isn’t the ... Read more

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Black Velvet

Sal Casamassima

Theo Holmes, a direct descendent of Sherlock, is called in by the San Diego and Las Vegas police departments when eerily similar homicides of the homeless occur in each city. Assisted by Delaney Watson and a beautiful AI robot, PAM, Holmes’ team tackles contradictory DNA evidence and a bizarre connection to Elvis Presley. This contemporary ... Read more

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Uma’s Head: A Novel

Kristin Kelly

In the dangerous world of Southeast Asia’s illicit antiquities trade, a curator’s search for a missing colleague uncovers a decades-old conspiracy—and a stolen artifact that could unravel it all. $0.99 on Kindle.... Read more

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Enigmata: The Watcher from Within

S. Alessandro Martinez

October Night is determined to get her life back on track as she recovers from a severe bout of depression that saw her dealing with a spiteful, antagonistic voice in her head, all the while losing the connections with her loved ones. Lucas Wendig has a mission, though some might say an obsession. His life’s ... Read more

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An Eternity to Burn in Hell

B. S. K. Sanders

An Eternity to Burn in Hell is a dark, multi-layered crime thriller that explores the devastating consequences of trauma, revenge, and the failures of justice. The novel follows the intersecting lives of five women known as “Aphrodite’s Ladies.” Each woman is shaped by a harrowing past of abuse, addiction, and survival through sex work, but ... Read more

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Free: Delicious Death: A Gaslamp Ghost Mystery Volume 2 (Madame Chalamet Ghost Mysteries)

Byrd Nash

Thwarting an assassination wasn’t on the menu. Elinor’s holiday is nearly ruined when a poisoner targets the king, and what’s even more irritating? Tristan Fontaine, the Duke de Archambeau, thinks to solve the case before she can! Between dead husbands and noble boors, Elinor snoops through wardrobe closets, determined to put Tristan in his place. ... Read more

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Misdirection of Betrayal

C.G. Loggie

Tina Miles is a reclusive, disgraced Australian Federal Police Officer, barely holding her life together. When she is dragged back to the trauma she’s been desperately hiding from, she must face the past she’s buried and decide if she’ll fight for a future, she no longer believes she deserves. $3.99 on Kindle.... Read more

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Mr Jones: A Gripping Psychological Thriller

Alex Woolf

‘An enthralling, chilling novel by a master storyteller… You won’t be able to put this book down!’Reader review Ben is a single father struggling to protect his daughter from a threat he cannot see or understand. Ten months after the mysterious disappearance of his wife, Ben is overwhelmed by his responsibilities to eight-year-old Imogen. But ... Read more

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Surviving the Silence

William Stone

The EMP hit like a bomb nobody saw coming. One moment Stephanie was welding steel and kissing her twin daughters goodnight. The next, the world was pitch black and screaming. She spent fifteen years erasing every trace of her prepper childhood so her girls could have birthday parties instead of bug-out drills. Now those drills ... Read more

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Free: Tune Up (Detective Qigiq Book 2)

Joe Klingler

On their second case, Qigiq and Kandy are loaned to the Traffic Division to investigate an early morning hit-and-run. By a motorcycle. The victim is an elderly Asian woman. Witnesses suggest all “accidents” aren’t created equal. Then the Captain delivers a new assignment: an affluent Bay Area lawyer is missing. The man’s wife stomps into ... Read more

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Everhaven

KJ Kalis

I knew something was wrong the moment they locked the door. What I didn’t know was how far the truth would go to stay buried. When journalist Samantha Watkins moves her great-aunt Nancy into Everhaven Memory Care, she tells herself it’s the right decision. The old Victorian mansion turned care home looks comforting enough—until the ... Read more

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The Max Quinn Thriller Series Complete Box Set

Harry Parker

From courtroom gambits to midnight stakeouts, safe houses to snow-swept plateaus, Max Quinn faces a tightening noose of betrayal, buried agendas, and a rebellion ready to burn the rulebook. When a single keystroke wipes out global debt and throws nations into chaos, Max must risk everything to protect her son as the world tilts toward ... Read more

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Rose Dhu: A Novel

Mark Murphy

A highly regarded surgeon has gone missing. Will the search for her whereabouts tear a community apart? $0.99 on Kindle.... Read more

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Death in Driftless Hollow

Ben Tor

A blizzard traps Mara Keene and five strangers in a remote Wisconsin retreat. When hidden traps begin to surface in the surrounding woods, it becomes clear someone is hunting them. In a storm where no one can leave, the killer may already be inside. $4.99 on Kindle.... Read more

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The Year I Lived Twice: A Time Loop Mystery

Alex Woolf

‘I loved everything about this book, which drew me in from the first page and kept me hooked throughout…’Reader review READER’S FAVORITE AWARD WINNER 2024MANYBOOKS BOOK OF THE MONTH FOR JUNE 2024 When Jason loops back in time, he thinks he can save his brother’s life – but the past is not so easily rewritten… ... Read more

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The Novel: A Collection of Stories that will make you ask

Bret Meanor

A collection of short stories that are full of adventure, intrigue, suspense and mystery. You will not want to put it down until you are done. $2.99 on Kindle.... Read more

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Free: The Body at Blackwell Lake

A.M. Caplan

She hates her power to detect missing things. When it leads her to a dead woman, can she smoke out a killer before she’s the next one to disappear? Cora Gilbert wishes she weren’t a finder. Constantly overpowered by her strange ability to locate other people’s lost items, the lonely adoptee worries she’ll never have ... Read more

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Edge of the Blackout

Colton Lively

When the power grid collapses, Shelly grabs her gear and heads into a world spiraling into chaos. No phones. No rescue. Just survival. With danger around every corner and a criminal brother by her side, she must fight to stay alive or be swallowed by the darkness. $0.99 on Kindle.... Read more

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Redemption Post Mortem

Emil Buchman

When a recently deceased soul is offered a chance to escape Oblivion, he must locate the lost Book of Remedies—an ancient text of miraculous healing power—before Demons use it to turn Earth into Hell. $0.99 on Kindle.... Read more

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China Conquers Polynesia

Ted Halstead

America’s Navy has been the undisputed leader in the Pacific since WWII. Now, China plans to change that. By conquering French Polynesia. A nuclear weapon lost during one of dozens of French nuclear tests has been discovered there by rebels. Who will use it to force France out of Polynesia. On their own, the rebels ... Read more

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The Fallen Cabin

Colton Lively

After a massive blackout traps her deep underground, Quinn begins a harrowing journey through dark tunnels and flooded ruins. With the world above silent and broken, she must push past pain and fear to survive. But what waits on the surface may be even worse. $0.99 on Kindle.... Read more

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Free: Cinderella Must Die

Roberto Martínez Guzmán

A kidnapping. A kidnapper who brings books to his captive. And a family history marked by secrets, silence, and psychological violence. These elements shape the story that will define Eva Santiago’s life and push her toward a future she never planned. Free on Kindle.... Read more

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To Serve Justice

A.M. Holloway

The explosion wasn’t meant to kill just two people—it was meant to send a message, and DEA agent Dillon Rains was the one forced to read it. When a pipe bomb explodes in a Miami park, killing a mother and her young child, DEA explosives expert Dillon Rains is thrust into a case that threatens ... Read more

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The Last Powered City

Robert J Walker

Everyone thinks Mary is just a mom. They’re wrong. When an EMP kills the grid and chaos erupts, she’ll cross a burning city to reach her daughter… even if it means unleashing the woman she spent fifteen years hiding. Some skills you never forget. $0.99 on Kindle.... Read more

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