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: Murder Notes

Lisa Renee Jones

As an FBI profiler, its Lilah Loves job to think like a killer. And she is very good at her job. When a series of murders surface, Lilahs instincts tell her its the work of an assassin. But when the case takes her back to her hometown in the Hamptons and a mysterious but unmistakable ... Read more

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Free: Malevolent (Shaye Archer Series Book 1)

Jana DeLeon

Shaye Archer’s life effectively began the night police found her in an alley with no memory of the previous 15 years. Now, she’s a PI who gets answers for her clients, and maybe for herself. When her new client Emma claims she’s being stalked, Shaye is determined to help. Emma knows her stalker, but the ... Read more

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The Salvation Project

Joe Rothstein

Finalist for political thriller of the year. U.S. President Isabel Tennyson (“Tenny”), having survived impeachment, attempted assassination and sex scandals, runs for re-election unaware her opponent is a Manchurian Candidate figurehead promoted by a ruthless international cabal determined to change America forever. “Be forewarned: there’s a lot of juicy action to digest here…and just when ... Read more

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Lincoln’s Touch: Lincoln’s Ghetto Series Book 1

Michael R. Pope

Book 1 and it’s prequel, set you up with an historical journey that leads to a suspenseful modern-day complex web of deceit and greed with gripping perils of thrilling danger for all parties. 1977 Chicago Illinois – The suicide of a high level official in the Chicago Catholic Archdiocese reveals a Last Will and Testament ... Read more

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Free: This Side of Midnight (Tildas Island Book 4)

Tamsen Schultz

Immerse yourself in the gripping world of “This Side of Midnight”a riveting blend of murder, conspiracy, friendship, and love. Detective Anika Anderson, determined to prove her worth in the Tildas Island Police Force, faces an unexpected battle within her own department as tourists meet suspicious deaths. Enter Dominic Burel, an FBI agent and former elite ... Read more

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The Hook

James Pack

It’s 1976 and Ernest Kemp is looking for his wife and daughter. After leaving the US Navy, he finds his way to Hallowell, Maine. He’s an outsider and the townsfolk don’t trust him. Their suspicions increase when someone starts killing children. After being falsely accused and arrested, Ernest teams up with Samantha Belcher as she ... Read more

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When a Stranger Comes…: A gripping psychological thriller

Karen S Bell

Author Alexa Wainwright is losing her mojo. Her latest works aren’t selling like her internationally bestselling debut. She vows to do whatever it takes to get back to being number one. But is she really? As she makes this vow, suddenly a lightning bolt cracks across the cloudless sky transporting the clueless Alexa to an ... Read more

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Free: Joey Mancuso Crime Mysteries: Volumes 1 – 3 (Joey Mancuso Mysteries)

Owen Parr

The first 3 unique detective crime mysteries from Joey Mancuso (former NYPD detective) and Father O’Brian. Mancuso is a means to an end guy and doesn’t put up with the typical bureaucracy. Working together with his half-brother, a priest, they work their crime investigations out of an Irish Pub in Lower Manhattan, which they own. ... Read more

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Free: Dead Letters: A Riveting International Police Procedural Mystery

Sheila Lowe

The exotic adventure was her dream. Until it turned into a nightmare. When her niece goes missing with an archaeologist whose shady past has spilled into the present, handwriting expert Claudia Rose embarks on a desperate search in Egypt’s Valley of the Kings. Resolved to expose the sinister truth behind Monica’s disappearance, and prepared to ... Read more

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BIG

Greyson Bryan

Duncan Luke wants two things in life: to retire early from corporate law and be with his autistic son, Sam. When his wife leaves him, taking Sam with her, he faces an expensive custody battle and sees no choice but to abandon retirement plans and double down on his business intelligence expertise by taking a ... Read more

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Free: The Cannabis Preacher – Sermon Four

Sabine Frisch

In this action-packed financial thriller, Al Ivers and his two brothers live with the constant fear of an elusive killer who has sworn to take revenge on their family. Al’s life is already complicated enough as the majority shareholder of the largest cannabis company in the country, but a mysterious illness is making him increasingly ... Read more

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Lotus

C.K Durham

Covert operations. Predictive dreams. Tangled jungle paths. A passionate, romance. Isabela is haunted by her dreams. When a series of synchronistic events merge her nighttime dreams with reality, Isabela follows her intuition to study with a master watercolor artist in Thailand. She descends the airplane airstairs in Bangkok into an overwhelming heat and a future ... Read more

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Free: Greed

C. M. Sutter

Washburn County Deputy Amber Monroe is following in the footsteps of her sister, Jade. She devours everything she can during her detective training in hopes of being promoted soon. Living in small-town USA has its advantages, like a sense of security, and disadvantages, like being close to Milwaukee and its crime. Washburn County has become ... Read more

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Free: Warren Lane

Andrew Diamond

A woman gets more than she bargained for when she hires the wrong detective to investigate her philandering husband. Free on Kindle.... Read more

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Driving Unclaimed Cargo

Rick Mammoth

When the US military decides it’s in their strategic interest to update their nuclear assets, they choose to move the American nuclear arsenal to locations all over the United States. Preventing the currently centralized location from being wiped out too quickly. Even if a 99% success rate is achieved, one failure could occur. A bomb ... Read more

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The Depths of Death: Island Mysteries Book 2

IB Meyer

When a wealthy and influential businessman drowns in the waters off Grenada, Sten is brought in as a diving consultant. Something is off about the supposedly accidental death, but he cant quite put his thumb on it. After a harrowing underwater encounter with Amira by his side, Stens suspicions are confirmed. $0.99 on Kindle.... Read more

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Free: Nite Fire: Flash Point

C. L. Schneider

Shapeshifters, dragons, and parallel worldswere not in Kansas anymore! Slated for execution, shapeshifting assassin, Dahlia Nite, flees her world to hide in the human realm. As payment for the shelter they unknowingly provide, Dahlia dedicates herself to protecting humans from what truly lives in the shadows. Moving from town to town, she hunts the creatures ... Read more

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See the Fire

A.W. Kaylen

A shadowy terrorist group, a secretive cult, and an FBI agent hell-bent on blowing this case wide open. When a devastating fire rips through a Federal Records & Accounts building, talented FBI Special Agent Heather Chase is tasked with hunting down an elusive arsonist. She quickly realizes that the attack is linked to a series ... Read more

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Free: The Alpha Team: Volumes 1 – 3

Owen Parr

An explosive trio of International Spy Thrillers. The Alpha Team is an elite private force of former SEALS, CIA operatives, and Delta Force members working for private a company under contract to the US Department of Defense. This trio of gripping novels will keep you on the edge of your seat. From beginning to end ... Read more

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The Alpha Team: Volumes 1 – 3

Owen Parr

An explosive trio of International Spy Thrillers. The Alpha Team is an elite private force of former SEALS, CIA operatives, and Delta Force members working for private a company under contract to the US Department of Defense. This trio of gripping novels will keep you on the edge of your seat. From beginning to end ... 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: The Doppelganger’s Secret: A Coastal Murder Mystery

Faye Newman

In the small, conservative town of Forest Glen, Oregon, the police department finds itself at the whim of a lawsuit that will shift the face of the department: The Singleton Settlement requires the next six recruits be from minority groups, and Quinn Summerhaving returned to Oregon after testifying against her homicidal husband and surviving a ... Read more

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Postponement: A Cryo-Suspension Domestic Thriller

Diane Dresback

What if you could place your newborn into cryo-suspension until it was more convenient to bring him or her home? How much time would you need? One year, five years, longer? How much will Nora Collins risk to protect an infant from his own mother? $0.99 on Kindle.... Read more

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Puppet Master, A Marceau Mystery

Raoul Michelle

The only constant is change. Recently retired, Maurice Marceau hardly has a chance to rest. Not that he wants to. Madeleine, his daughter, a West Point graduate, now an attorney, could use his help, and her request is much too tempting. Betrayal, a kidnapping, and a terrorist attack are just the beginning. $0.99 on Kindle.... Read more

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Puppet Master: A Marceau Mystery

Raoul Michelle

The only constant is change. Recently retired, Maurice Marceau hardly has a chance to rest. Not that he wants to. Madeleine, his daughter, a West Point graduate, now an attorney, could use his help, and her request is much too tempting. Betrayal, a kidnapping, and a terrorist attack are just the beginning. This father-daughter duo ... Read more

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Crimson: An MM Romance Wrapped in a 1940s Thriller (Of Shadows & Secrets Book 1)

Casey Morales

What if two Ivy League boys were dropped into a James Bond movie? Will Shaw and his friends are typical American students, still celebrating the end of the Depression and dreaming about a future filled with success. The war in Europe is far away and someone else’s concern. Until it isn’t. Compelled to do their ... Read more

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The Mark

Victor James

A chance encounter introduces Linda Mark to Henry Collins, a recently discharged Green Beret. Used to dealing with war veterans because of her husband Shawn, a former Army Ranger, they quickly strike up a friendship. Yet, events spiral out of control, and Linda and Shawn struggle to survive as Henry’s affection for Linda turns into ... Read more

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The Greatest Betrayal

Iain Henn

Liz Carter is the proud owner of a successful advertising business when she begins a whirlwind romance with handsome airline pilot Callan McKenzie. Yet after his estranged ex contacts him, he disappears without a trace. Liz resolves to move on with her life, but a chain of events has been set in motion that threatens ... Read more

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Free: Joey Mancuso Crime Mysteries Vols 1 – 7

Owen Parr

The 1st seven books in the Joey Mancuso, Father O’Brian Detective Crime Mystery series. Outstanding offering! Former NYPD Detective Joey Mancuso and Father Dominic OBrian! Known as The Last Advocates of the Victim, these two brothers are a force to be reckon with when it comes to solving the toughest cases in New York City.Based ... Read more

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No More Lies

Alan Brenham

Dani Mueller’s world shatters when her husband disappears and she is accused of his murder. Desperate for the truth, she flees to London on a perilous quest for vindication. $2.99 on Kindle.... Read more

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Free: Glass Half Broken

Rachel Richards

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, Annies next move could mean life or death. Free on Kindle.... Read more

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Every Silent Thing

Alan Brenham

Claire Deveraux, a shy and deaf twenty-three-year-old, has meticulously crafted her dream life as a foreign service officer at the U.S. Embassy in Paris. But tranquility shatters when she discovers a dying woman in a restroom, uttering three cryptic words and secreting a thumb drive in Claires pocket. Unbeknownst to Claire, these items are the ... Read more

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Three Strides Out: A Horse Show Novel of Suspense

V. S. Anderson

Saving a champion show jumper from a burning horse trailer gives young rider-trainer Robb Slaughter one job: finding out who tied that horse in that trailer and making them pay. For Robb, avenging that horse means atonement. Sure, he was just a kid when he left his mother screaming while her lover killed her, but ... Read more

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When Things Fall Apart

Alan Brenham

Newly minted homicide detective Kit Hanover is paired with a crusty veteran who makes no bones about his feelings for Native Americans. Their prickly partnership becomes more antagonistic when her first murder case proves devastating and she is reassigned. Determined to work the case in her own time despite the emotional consequences she finds herself ... Read more

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The Black Widow’s Prey (GILDED AGE CHICAGO MYSTERY SERIES Book 3)

N. S. Wikarski

Series Nominated for Reader’s Choice Awards as Best Historical Mystery and Best Traditional Amateur SleuthFor Fans of Cozy Mysteries, Amateur Sleuths, and Gilded Age Chicago History GILDED AGE CHICAGO MYSTERY SERIES Chicago in the 1890s is the fastest growing metropolis in America. It rivals New York as the City of the Century and the epitome ... Read more

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Once Upon A Crime

Alan Brenham

Detective Madison Chase faces her toughest challenge yet. A cunning killer, chilling rhymes, and a battle for custody of her daughter. Will she be able to protect her daughter and catch the killer? $2.99 on Kindle.... Read more

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Come Full Circle

Zayne Kulder

Come Full Circle is a visceral experience that will linger in your thoughts long after you’ve turned the last page! This fiction is a heart-wrenching military and psychological thriller with Christian undertones that navigates the treacherous landscape of the War in Ukraine while delving deep into a human psyche on a path to redemption. Written ... Read more

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Threshold

Kevin Barry O'Connor

Step into a world steeped in danger and high-stakes suspense in this riveting thriller. Key Murphy, an experienced guardian of the powerful, is drawn into a deadly game with the Vice President of the United States at its heart. Intelligence of a sinister assassination plot in Philadelphia propels Key into a pulse-pounding race against time. ... Read more

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Free: One Last Move

Wes Snowden

In the wake of his business partner’s untimely demise, Dr. Lawrence Rosewood finds himself thrust into a world of chaos and danger within their illustrious chain of luxury retirement homes. A sinister game of a hostile takeover, orchestrated by shadowy figures of organized crime, sets the stage for a pulse-pounding race against the odds. This ... Read more

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Free: Run For Your Life

C. M. Sutter

With the weekend right around the corner, Homicide Detective Mitch Cannon is looking forward to Saturday night. It isn’t often he has a date, and this one will be particularly interesting. His new friend Liza is beautiful, edgy, outspoken, and somewhat odd. But Mitch’s usual Friday-morning phone call to his mom sets the wheels in ... Read more

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