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!

You Better Run

Willow Rose

The beach read of the summer! When 19-year-old Meg Briggs wakes up after having a crazy party with her friends, she finds a girl in the pool. Dead. Who is this girl? How did she end up in the pool? Was she even at the party? Even more strange is when they pull her out ... Read more

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Free: Oxygen!: A Darwinian Moment for Mankind

Sascha Iyer

Once enough to serve seven billion people on Earth, the green planet is showing alarming signs of running low on human and animal life’s elixir: oxygen. A team of researchers discovers the unpopular truth during work in the Himalayas and the mountains of northern India. Is this a defining Darwinian moment for mankind? Governments are ... Read more

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Tangled Lies

Karen Osborne

“I love a good murder mystery with characters you can root for, and this one fits the bill. Tangled Lies is a page turner that’s packed with fast-paced suspense, a masterful plot, and a hefty dose of sizzling hot romance.” –Linda Sheehan, author of Decanted. $0.99 on Kindle.... Read more

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The Devil’s Trident

George Norris

Ten years after a top-secret mission in Afghanistan, retired NYPD Detective and Navy SEAL Michael Keough finds himself about to hit rock bottom. He’s divorced from his wife and instead married to the bottle. Then, on a cool fall evening, a volley of gunfire erupts outside his apartment. When he discovers his partner mortally wounded, ... Read more

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Killing Karma

Michael Poeltl

  Had Peter imagined he’d be considered a serial killer, he’d have chosen differently. Have you ever felt karmic retribution in your own life? What the characters in Killing Karma come to realize is that no karmic debt ever goes unpaid. In Killing Karma, this sentiment is taken to the nth degree, where crime fiction ... Read more

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Sea Change

Nate Littlefield

Divemaster and charter boat captain Alex Nolen is finding a new normal in his relationship with marine researcher Jennifer Walker. His once solitary existence no longer troubles him. But when a man from Jennifer’s past appears, Alex and his friends suddenly find themselves facing dangers that could forever alter the course of their lives. How ... Read more

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Red Herring

Leonard Di Gregorio

“She stood before the TV and searched the news channels. There it is. Oh, my God. Is that Tina’s plane? Please, God no.” Red Herring starts with quite a literal boom as the main heroine Holly Flynn awakes to discover the plane Bermudian Air flight 47 that one of her best friends aboard had just ... Read more

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My Perfect Daughter

Sarah Denzil

Zoe adopts Maddie, the daughter of the notorious serial killer, Peter McKenna. Eleven years later, Maddie’s best friend goes missing, and her school bully is found dead. Zoe can’t help but wonder: like father, like daughter? $0.99 on Kindle.... Read more

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AN INCONSPICUOUS MURDER: A Maggie Fitzmorris Mystery

Norah Winter

THE DEAD DON’T LIE—THE LIVING DO Dr. Maggie Fitzmorris disagrees when the police label the death of a young woman as accidental. When a man comes forward with some startling information, Maggie realizes that someone is lying—and it’s not the dead body. A tantalizing picture of the victim soon emerges, along with several suspects. But ... Read more

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Free: Soldiers of Freedom

Samuel Marquis

SOLDIERS OF FREEDOM is the true story of the 1944-1945 War in Western Europe and the final Allied struggle to conquer Nazi Germany. The story is told through the eyes of William McBurney, a tank gunner in the 761st Tank Battalion, the first African-American tank unit in U.S. history. Free on Kindle.... Read more

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Free: The Raven

Blair Howard

No one could figure out exactly why Sandra McDowell had to die. What was her connection to The Raven, an aging hitman twenty years on death row with only days left to live? Free on Kindle.... Read more

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Free: Secret Seal Isle Mysteries Books 1-3

Lucy Quinn

Enjoy a convenient boxed set of the first three Secret Seal Isle mysteries! FBI agent Cookie James is enjoying her extended leave from the agency on Secret Seal Isle, managing her quaint inn and flirting with the oh-so sexy handyman, Dylan Creed… until her sixty-year-old mother goes skinny dipping and is almost drowned by a ... Read more

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Deceived by Ornament

Edward J. Leahy

Detective Kim Brady must find the killer of Mariano Avila, beloved community activist and immigration lawyer in Brooklyn. The only eyewitness, Amara, a fifteen-year-old undocumented escapee from a human trafficking ring, has described the killer as wearing a police uniform. $0.99 on Kindle.... Read more

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Free: Victim of a Delusional Mind

K. J. North

Tragedy enters the quaint coastal town of New Haven, Oregon when the recently released convict, Ross Conrad, vows to make good on a ten-year-old threat. Private Investigators, Troy and Eva Winters take on the case when they realize their good friend, Jasmine, is the object of his delusional obsession. When the threat becomes deadly and ... Read more

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Free: The Girl, the Ghost, and the Kill

John Espie

“Evil must be identified before it can be driven away,” Jess once read… and then she made the mistake of voicing it within the walls of her stepfather’s mansion. In the twilight months between her high school graduation and college move-in, Jess wants to finally be treated as an adult who knows things, and if ... Read more

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Fatal Limit

Inge-Lise Goss

Dora Stephens can’t refuse this case. When she witnesses Sheila, the aunt of her best friend, stagger out of the hospital and die from a traffic accident, Dora’s private eye instincts kick in. Something’s not right. Sheila had no known enemies… but someone wanted her dead. Digging into the circumstances of Sheila’s death leads Dora ... Read more

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Free: The Games of Cordella

NineRings

A dystopian temporary fantasy mystery where a feared magical assassin meets a socially outcasted mortal noble boy. To win the Survival Game, participants must survive for two years in an area known as the Dark Zone, where the forever elusive monsters come out after dark. Levi once thought that the scariest thing were the monsters, ... Read more

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Silent Betrayals

MC Bechum

The destinies of three remarkable women are severely altered when they are misled and taken advantage of by contemporaries they thought they could trust. With no regard for the consequences of their actions, those malicious deceivers provoke catastrophes that tarnish the prosperity of everyone who loves their victims. $1.00 on Kindle.... Read more

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Variables

Silas Ritter

  They cured cancer, and they’re killing to cover up their means. Collier is an ex-military rogue who couldn’t follow orders. How will he handle working for a corporation where murder is part of the job description? Matt and Karen are long divorced and hate each other’s guts. Now an explosive reunion awaits them when ... Read more

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Free: Maniacal

C. M. Sutter

Sleepy little North Bend just woke up. The newly promoted Sergeant Jade Monroe, and her partner, Detective Jack Steele, have just been informed of an unidentified male body found at a local lake. The town is in an uproar. The victim was nearly decapitated, and murder simply doesn’t happen in North Bend. As more bodies ... Read more

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DEVIL’S DAWN: A Gripping Serial Killer Thriller (A Grant & Daniels Trilogy Book 2)

Charlotte Raine

Sarah Latham is the epitome of an all-American sweetheart. She’s a cheerleader with good grades, a judge for a father, a homemaker for a mother, and a reputation that makes everyone else look like devils. But after being kidnapped, something triggered inside Sarah and she’s no longer made of sugar and spice. Acting Chief of ... Read more

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A Break in the Trees

Jenna George

Everly Mae Lansing has everything she ever wanted. She lives with her best friend in Hawaii, and is still dating her high school sweetheart. When her boyfriend’s former college roommate comes to town, the group goes on a camping trip that changes their lives, and not for the better. Everly, Addy, Benji, and Leo witness ... Read more

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Free: The Dead Girl’s Stilettos

Quinn Avery

After a Jane Doe is murdered in journalist Bexley Squires’s hometown, she’s hired by one of Hollywood’s brightest stars to clear his name as a suspect. But her skills as an amateur sleuth weren’t enough to find her missing sister. Does she have what it takes to find a killer? When she returns to California, ... Read more

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The Peyton Brooks Mysteries

ML Hamilton

NOW AVAILABLE IN ONE VOLUME – THE ORIGINAL PEYTON BROOKS’ MYSTERY SERIES BOX SET Get all eight of the popular Peyton Brooks’ Mysteries in a single box set, including the prequel, Murder in the Painted Lady. Over 1,000 pages of action and adventure from San Francisco’s top detective.The Peyton Brooks’ Mystery series follows the career ... 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 installment of the Parker City Mysteries Series. $0.99 on Kindle.... Read more

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Free: A Deadline Cozy Mystery

Sonia Parin

Eve Lloyd’s attempt to revamp her life turns her into a magnet for murder and mayhem and the idyllic small town of Rock-Maine Island into a stomping ground for killers. Even when she sets her heart on a swanky new stove, she lands right in the thick of a murder investigation with the finger of ... Read more

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Free: FORGOTTEN FEARS

C.E. Nelson

Agent Don Trask had relentlessly pursued his parents’ killer for years, and now he was getting too close. The sister of his fiancee has been murdered, a note pinned to her body warning Trask to stop, telling him more will die. The choice will not be easy. Free on Kindle.... Read more

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Free: Retribution

C. M. Sutter

The violent drug-related murders of two prominent attorneys have the homicide division of the Chicago Police Department scrambling for answers, but without clues, a motive, or a suspect, not even the FBI can track down the killer. With the media demanding an arrest and at their wits’ end, the Chicago Police Department makes an urgent ... Read more

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Silent Child

Sarah A. Denzil

In the summer of 2006, Emma Price watched helplessly as her six-year-old son’s red coat was fished out of the River Ouse. It was the tragic story of the year – a little boy, Aiden, wandered away from school during a terrible flood, fell into the river, and drowned. His body was never recovered. Ten ... Read more

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Free: Sweet Murder

Madison Kent

In Madeline Donovan’s hometown of Chicago in June 1891, life is brimming with new industry. A Chicago first, an ambulance service begins and two friends volunteer there. When they urge the female sleuth to attend one of their sessions to meet with someone who says all manner of mystery things are happening in the park. ... Read more

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Free: Agent Red:Fatal Memory: Teagan Stone Book #1- Gripping Mystery, Suspense and Crime Thriller (Agent Red:Teagan Stone Series)

Ava S King

Early in her military career, Teagan Stone was recruited from the Navy to work with an elite group, where she became a notorious spy. After many years of service, all she wants to do is focus on her husband and three kids. Instead of enjoying retirement, she wakes up one day and finds herself chained ... 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 beautiful 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 is lucky to be living in a beautiful home overlooking the Pacific Ocean, and she loves ... Read more

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Free: The Divine Devils

R Weir

Two teenage siblings in peril. A mysterious group with an agenda to abduct them. The call going out to former US Marshal, Hunter Divine. Hunter and his team toeing the line between virtue and vile. Drawing on brawn, halos and pitchforks the Divine Devils are willing to move heaven and hell! Free on Kindle.... Read more

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Free: Never Been Traced

Kenneth S. Kappelmann

Detective Tomas O’Malley is called to the site of a murdered teenager. As the case unfolds, O’Malley learns that this teenager was the school bully, dealing in everything from taunting sports players to date-rape and assault. Free on Kindle.... Read more

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Free: Circle Of Betrayal

Ruth O'Neill

Lena Farnham has it all: a job she loves, a wonderful husband, a huge house, and a baby about to arrive. She’s the happiest she’s ever been, and she can’t believe how lucky she is. Unfortunately, Lena’s luck is about to run out. Even the most perfect people can have dark pasts – and even ... Read more

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Big Shot

Kirsten Weiss

Small Town. Big Murder. The number one secret to my success as a bodyguard? Staying under the radar. But when a wildly public disaster blew up my career and reputation, my perfect, solo life took a hard left turn to crazy town. And to bodies. Lots of dead bodies. I thought my tiny hometown of ... Read more

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Free: Murder at Beachside

A.M. Holloway

A detective by chance, not by choice. A quiet Florida town until… They beat the town’s business owners within an inch of their lives. No one speaks of the crime. This time, they beat the wrong man. Clint Rugbee, ex-Marine, lay in the room next door. He rescues Ralph by shooting the two guys holding ... Read more

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Killing The Girl

Elizabeth Hill

Carol found loving Frankie easy. Killing him was easy too. When his body is found, Carol will have to face justice. But she’s not the only one with blood on her hands. Who else deserves to die? $0.99 on Kindle.... Read more

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Cold Secrets: A Swamp Yankee Mystery

James Y. Bartlett

Julius Haddock, the former chief of police of the small town of Little Penwick in the smallest state of Rhode Island, is out for revenge against those who conspired to put him in jail. But first, he takes up a 30-year-old cold case and begins to discover secrets … new and old … that refuse ... Read more

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Big Shot

Kirsten Weiss

  Small Town. Big Murder. The number one secret to my success as a bodyguard? Staying under the radar. But when a wildly public disaster blew up my career and reputation, my perfect, solo life took a hard left turn to crazy town. And to bodies. Lots of dead bodies. I thought my tiny hometown ... Read more

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