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: 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, secretly, Kalen is a serial killer, and, secretly, Kalen has a special gift. He ... Read more

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Bayou Autumn (Miss Fortune World: Bayou Cozy Romantic Thrills Book 10)

Riley Blake

An unexpected proposal sets the stage for disappointment as Jax Daigle prepares to explain away his truest motives for being in Wasteland, Louisiana. Meanwhile, Fortune, Ida Belle, and Gertie are days away from solving the mystery surrounding the Daigle family. $2.99 on Kindle.... Read more

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Free: The Mother

J.E. Clarkson

After The Lamb absconds taking D.C. with them, Kate Monroe and Detective Inspector Halifax are tasked with tracking them down and investigating the shady operations surrounding “The Blazing Crucible”. Soon they discover far more than they bargained for, as The Lamb finds themselves in as much trouble abroad as they are at home. Free on ... Read more

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Free: THE WOMAN BEHIND HER

Anna Willett

When Jackie Winter inherits her aunt’s house, she makes a chilling discovery. Worse, she finds that she is being watched. When someone is murdered nearby, she finds herself in the frame. Can she join up the dots and prove her innocence? Free on Kindle.... Read more

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Just a Still Life

J. Ivanel Johnson

When a bank robbery and the murder of a teenage boy initiate a string of even more shocking events which wreak panic in the quiet community, Phil must return to long days of investigation with his oft-misquoting, black sergeant Zareb Woodbridge, who struggles with questioning some of the more racist locals. $0.99 on Kindle.... Read more

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Body In The Waves

Kristina Gallo

Natalija’s dreams were ruined ten years ago. She was raped and did not tell anyone who did it. When she goes on a vacation to the Adriatic Sea, the Island of Pag, her rapist, Denis, shows up, as the boyfriend of her future sister-in-law. Natalija reveals the truth about him in the club during the ... Read more

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Free: ZERO

Nathan Farrugia

A trainee spy must face off against a paramilitary doomsday cult inside a ghost city. Free on Kindle.... Read more

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MIDNIGHT SUN: An Alaskan Romantic Suspense (A Grant & Daniels Trilogy Book 1)

Charlotte Raine

Wyatt, Alaska is a place of family, beauty, and unspeakable tragedy. A couple of years after Aaron Grant lost his wife and daughter in a fire, one of his daughter’s best friends, Sarah, is kidnapped. After spending the last two years as the town drunk, he reluctantly investigates the kidnapping along with the ambitious FBI ... Read more

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A Hare-Raising Haunting

C.K. Fyfe

When Emma purchases a rustic train depot in Michigan’s Upper Peninsula, she expects the station to be steeped in history, not mystery. She and her rabbit Pepper settle into their new life in the woods, but they aren’t exactly alone—a specter from a long-gone past seems intent on haunting them. Is Emma’s imagination running wild, ... Read more

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Free: A Ghost on Cozy Mountain

Pamela Grandstaff

Best friends Emma and Abby work in the small town of Cozy Mountain, home to an exclusive resort that likes to control everything in its shadow. When an old friend returns to visit and promptly disappears, the two friends investigate and end up tangling with nefarious characters, alive and dead. If you love friends who ... Read more

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The John Callahan Series

Elizabeth Upton

John Callahan is a good man with a sinister past—and his past will not let him live in peace. Against the odds, he matures from a teenage Belfast street thug and an IRA killer to a happily married man and expectant father. Years later, just as he begins to find peace and serenity again as ... Read more

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Waterborne

J. Luke Bennecke

When Californians start getting sick from their drinking water, engineer Jake Bendel is forced to work with the FBI to discover the cause. The clock is ticking. Can they stop the terrorists and save millions of people? A thought-provoking thriller about a very real threat to the essence of life: water. “An entertaining, action-packed tale ... Read more

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Free: Halloween Hoedowns Can Be Deadly: A Bucket List Mystery Short

Ryan Rivers

Spooky decorations. Murderous intentions. It’s not a party until someone ends up dead. Bluebonnet Hills, Texas. Sho Tanaka can’t shake the feeling he’s the odd man out. And being best buddies with a fading celebrity always seems to drop him in the midst of homegrown trouble. But when the suspended ICU nurse helps out at ... Read more

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Duncan Hunter Thriller Boxed Set

Mark Hewitt

Approved by the CIA Publication Review Board “Duncan Hunter is a great character… an excellent read.” –A Good Thriller PenCraft Award Winner – Best Thriller ***This box set includes the first four thrillers in the award-winning Duncan Hunter Thrillers. $2.99 on Kindle.... Read more

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The Complete 5 Book Calamity Corners Box Set

Constance Barker

A Pig Familiar, a Fairy, an Alligator Shifter and a Witch Nann, that’s with 2 N’s, has inherited an old heirloom of a house, along with a pet pig familiar who talks through the radio and likes to steal toilet seats. Nothing strange there. After moving in she becomes fast friends with an alligator shifter ... 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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Free: The Last Variant

Jason James

In 2024 the virus evolved. The doomsday variant, COVID-24, threatens President Gunner Harrison’s authoritarian grip as he campaigns for his third term in this explosive, mind-bending thriller from Jason James. The charismatic but divisive President Harrison leads his devoted militia, The Patriots, to wage war against all who stand in the way of his continued ... Read more

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Free: A Spirited Swindler

Clare Lockhart

Empty nested and excited to start a new chapter in life, Quinn is almost ready to open her new lakeside café in the small town of Bookend Bay. Everything is perfect until she realizes she’s being followed. Confronting the stranger sets Quinn on a course where her problems no longer revolve around selecting a feature ... Read more

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Free: Dial P For Poison

Zara Keane

Maggie Doyle quits her San Francisco PD job and moves to Whisper Island, Ireland, for a fresh start. But when her aunt Noreen becomes a murder suspect, Maggie must return to sleuthing — while keeping Noreen’s Movie Theater Café afloat! Free on Kindle.... Read more

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Free: The Omega Strain (Mitch Herron 1)

Steve P. Vincent

Mitch Herron is the world’s deadliest assassin, but when he’s infected by a lethal biological weapon he only has days to hunt down those responsible and foil their attack. Free on Kindle.... 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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Free: Blood in the Bayou

C. M. Sutter

On her first assignment since her promotion to SSA status in the Serial Crimes Unit of the FBI, Jade Monroe and her new partner, Lorenzo DeLeon, are tasked to southern Louisiana, where disturbing discoveries have been made. Human bones have been found in numerous sites deep in bayou country, and the locals aren’t too excited ... Read more

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Psychopath: A Serial Killer Novella

Richard Lane

Morgan Leigh is sick and tired of mansplainers in suits. Ignored and fired too many times to count, the marketing bombshell rallies herself to clinch a coveted role with a prestigious ad agency. But after she’s tasked with landing a multi-millionaire self-help guru, she’s shocked to discover a string of grisly homicides with a disturbing ... Read more

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Murder in the Atchafalaya

Jim Riley

A lot of things can kill you in the Louisiana swamps, not the least of which are water moccasins, alligators, and maybe even something unworldly called a Rougarou. But as the body count rises in this jambalaya mystery, it becomes apparent that the increasing death toll is mostly due to some very bad villains and ... Read more

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Free: Purgatory Creek

C.E. Nelson

He knew. There was only a scrap of red material, but he knew. Don Trask, Lead Agent for the Minnesota Bureau of Criminal Apprehension, had no doubt what it was. For five years he had locked away the haunting memories associated with his most difficult case, the unsolved disappearance of a small girl. But now ... Read more

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The Silk Road

Dena Crawford-Nibler

Kimberly Ross has a quite lucrative, yet very illegal, secret business. But secrets never stay hidden for long. Suspense and thrills collide as Kimberly races against the clock to play a deadly game against a mysterious stalker who will stop at nothing to reveal the truth. Even if it kills. $0.99 on Kindle.... Read more

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Silver or Lead

James Cox

“What would you do if you found out that the person you were trying to save might have to kill you?” Teddy Dabrowski is a man harboring a dark secret until one fateful day a horrific crime at his favorite coffee house forces him to confront his past. $0.99 on Kindle.... Read more

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Civil Terror: Gridlock

J. Luke Bennecke

“A cyber-tale rooted in reality, Civil Terror: Gridlock is a thriller with surprisingly deep implications.” -BookTrib A terrorist group led by a psychopath weaponizes the new national self-driving car network. The next attack promises to wipe out millions of Americans. Can a rogue FBI agent and the civil engineer who designed the system stop the ... Read more

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Blood Perfect

TL Bequette

A young Joe Turner returns to defend Allston Walker, a man charged with the bloody attempted murder of a racist caretaker in this gripping courtroom thriller. $5.99 on Kindle.... Read more

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Backyard Farming Boxset Books 1-3

Vikki Walton

Love heart-warming small-town cozy mysteries with relatable quirky characters? Grab the three-book boxset (Chicken Culprit/Cordial Killing/Honey Homicide) readers say are good clean fun! $0.99 on Kindle.... Read more

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Free: Jack Ryder Murder Mysteries Novellas Vol 1-3

Owen Parr

Becoming a consultant to the Miami Beach Crime Unit was the last thing retired Wall Street Executive and Best Selling crime author Jack Ryder wanted to do. But a murder in a South Beach condo coped directly his plot from his last novel. Forced to join Detective Logan in 3 unique murder cases. Free on ... Read more

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Joey Mancuso Crime Mysteries Vol 1-3

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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Eve Lloyd’s A Deadline Cozy Mystery – Books 6 to 10

Sonia Parin

Fun-filled small town cozy mysteries. Eve Lloyd’s skills are tested when she’s stuck on a cruise ship with 100 Carmen Miranda impersonators – make that 99. Back on the island, she deals with an unwanted guest, his ex-wives and a killer or two, catering parties: Hors d’oeuvres, canapés, murder and mayhem and Christmas. What can ... Read more

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Free: Where Did They Go?

A. Nation

Susan finds herself in another world after her husband’s death. (Book 1 of 5). Her new friends stir up old memories and convince her, her husband was murdered. Now, will she survive the killer’s wrath once she discovers who did it? Free on Kindle.... Read more

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Free: Past Grief

Edward Leahy

Kim Brady, third generation NYPD, returns to the job after her father’s recent suicide and catches a career-making case–a mass shooting in Manhattan’s Meatpacking District. Free on Kindle.... Read more

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Free: The Cannabis Preacher: Sermon One: A financial thriller about building and losing the biggest Cannabis Manufacturer in the country

Sabine Frisch

Connor Beauregard is always looking for ways to make money. Despite his many failed business ventures, he is determined to succeed when a unique opportunity to become a legal drug dealer comes his way. With the charisma of an evangelical preacher and an ego larger than God, Connor knows that nothing will stop him from ... Read more

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Now & Then: A Parker City Mystery

Justin M. Kiska

In 1981, Parker City is rocked by a series of unthinkable murders like it has never seen before. Under great pressure from the powers-that-be, it is made clear to newly minted police detectives Ben Winters and Tommy Mason that their first case could also be their last if they don’t catch the killer. Decades later, ... 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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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. $0.99 on Kindle.... Read more

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Free: The Struggle

Carolyn Geduld

Uri sets fire to his house by accident right before his bar mitzvah, killing his mother. He will spend many years searching for relief from the guilt that plagues him. His status as a foster kid, his burn scars, and his monstrous appearance leave him lonely and suicidal in high school. Then, in his college ... Read more

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