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!

Kate Albertson Mysteries

Karl Fields

Kate Albertson is a dog lover, a word nerd and a top-notch diamond thief. She also has a knack for landing in the middle of homicide investigations. Follow Kate’s adventures as she relies on wit and sass, not to mention some serious burglar skills, to solve one lively, page-turning, laugh-out-loud whodunnit after another. $0.99 to 4.99 ... Read more

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As Sure As Death & Taxes

Rush W. Sterling

This financial geopolitical thriller, deals with Paul Sense, a portfolio manager entrapped by a rogue CIA agent, looking to destabilize the Islamic Republic of Iran. The unwanted mission takes the hero from London, New York, and Geneva to Dubai.The novel mixes the espionage genre with a financial backdrop and romance with tragic setbacks. Most characters ... Read more

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Free: Canaryville

Charlie Newton

“Newton is the real deal. I’ll read anything he writes.” – Lee Child As multiple homicides rock Chicago, homicide lieutenant Denny Banahan races to prove the killings are a purge within the Irish mob, not another “Red Summer”—Chicago’s rampage of racial murder in 1919. Denny has 36 hours to stop the city from descending into ... Read more

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Donatella

Demetrius Jackson

Faced with an adversary hellbent on her destruction, can Special Agent Dabria survive the onslaught, or will a well-orchestrated plot spell her demise? Charlotte, North Carolina. From age eleven, Special Agent Dabria has been tormented by the murder of her parents. Though her FBI credentials can open the darkest doors, the determined agent constantly battles ... Read more

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Whisper County

Teresa E. Nelson

Nice guy and farmer Gus meets the girl of his dreams. One date with the beautiful and mysterious Annabelle and his life becomes an instant nightmare when she disappears and he finds himself in jail facing murder charges. His blood-spattered farm is all the evidence law enforcement needs to cuff him and haul him into ... Read more

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Sins of the Mother

August Norman

At the top of a mountain, a cult of women pray for the end of the world. In the town below, a violent white supremacist thinks his daughter has been kidnapped. Caitlin Bergman’s search for her birth mother may set the world on fire. Perfect for fans of Julia Keller, Tess Gerritsen, and Michael Koryta ... Read more

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Free: Engine 8-12

Scott Offerman

Steve Quinn’s life is shattered with a single phone call. After 30 years of trying to forget his past, the call rekindles memories buried deep in his mind. Confronting his personal demons, Steve takes his family into his past, a world of firefighting he thought he had left behind, full of thoughts and emotions first ... Read more

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Full Force: First Novels from the World of Iniquus Romantic Suspense Mystery Thrillers

Fiona Quinn

Welcome to Iniquus Security… …where ex-special forces live, work, and love in a world of action-adventure. You’ll meet a cast of characters who will stay with you for life, as they move from one adventure to the next. Each book is part of a larger series. All of them intertwine. $0.99 on Kindle.... Read more

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Free: Deadly Motives

Ann Girdharry

The end is just the beginning… When a nurse is murdered, Detective Grant recognizes the hallmarks of a killer called Travis. Twenty-five years ago, Grant caught Travis for the murder of five women and the serial killer has been incarcerated ever since. The problem is, Travis was at the hospital when the murder took place ... Read more

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The Devil in the Red Dirt

Michael P. Smith

“A visceral and gut-wrenching trip into the dark side of a nation” “The best of humanity shines when faced with the worst” “A significant piece of Australian literature” Australia, 1963. When a sinister series of murders are covered up by the police, two broken detectives step forward to end the injustice. They must contend with ... Read more

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Murder at the Tea Party (An Evie Parker Mystery Book 2)

Sonia Parin

Fun 1920s Historical Cozy Mystery Warning: Afternoon tea with Lady Woodridge can be fatal. Evie has her hands full trying to keep the name of Woodridge free of scandal as well as mending fences with her maid Caro. No easy task when one of her afternoon tea guests is poisoned. Is it a coincidence when ... Read more

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Free: The Jabberwock

Ninie Hammon

Nower County was never a hard place to leave, but now, leaving is impossible. When drunk teenagers add letters to the Welcome to Nower County sign, making it Welcome to NoWherE County, nobody repaints it. Why bother? Everyone knows they live in the middle of nowhere. A bizarre storm blows through the Appalachian Mountains and ... Read more

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The Yellow Cottage Vintage Mysteries OMNIBUS: Books 1 – 3

J. New

ELLA BRIDGES IS A YOUNG WOMAN WITH AN EXTRAORDINARY TALENT AND A MOST UNUSUAL SIDEKICK. The Yellow Cottage Vintage Mysteries: OMNIBUS includes the first three books in the popular series readers describe as ‘Miss Marple meets The Ghost Whisperer.’ The unique slant on the traditional whodunit and the humour peppered throughout are what makes these ... Read more

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Battle of Wills

Emily Parks

When Clara Whitlock’s grandfather dies, she returns home to find that his death was less than natural. A brand new series starter from debut author, Emily Parks. In 1870’s London, being a divorced is a scandalous thing for a society woman, but that’s exactly what Clara Whitlock is—after her husband leaves her. When she receives ... Read more

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Ghost of a Chance

Eric Wilder

A rainy night in east Texas ends in murder. Ghost of a Chance, Book 1 of Eric Wilder’s exciting Paranormal Cowboy Series. Love action, adventure, and mystery? Buckle up! $0.99 on Kindle... Read more

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Free: Aftermath

Blair Howard

An elite force of private military contractors. A ragtag band of aging war heroes and civilians. It began with a simple kidnapping. It ended in an all-out private war. Free on Kindle.... Read more

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Kill Joy

Mike Rickett

Children’s author Joy Davis mysteriously disappears after her car crashes during a snowstorm on the outskirts of Liverpool in the UK. Has she simply escaped her cheating and wasteful husband Jon, or has something more menacing happened? Could her disappearance be linked to her writing which has moved in a new, darker, direction, following her ... Read more

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The Stranger at the Door

Lorhainne Eckhart

She knocked on his door. He never should have answered. –“This book is gritty, captivating and thought-provoking. It evokes many emotions and reactions….just what a great book should do.” Rebmay As newly appointed chief of police, Mark Friessen is settling into his small-town role when he uncovers the twisted tale of a woman forced to ... Read more

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Free: The Reluctant Detective: A C.T. Ferguson Crime Novel

Tom Fowler

It’s rookie PI C.T. Ferguson’s first case. He discovers his client is a liar, and a bunch of enforcers want him dead. Now, he’ll need all his wits and skills to save his client and keep his first case from becoming his last. Free on Kindle.... Read more

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Free: A Berry Deadly Welcome

AR Winters

Prepare to be hooked! Join Kylie as she deals with outrageous friends, terrible cooking, and a mind-boggling murder which must be solved. Over 300 rave reviews – discover why everyone loves this cozy mystery! Free on Kindle.... Read more

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Flames of Murder

A.M. Holloway

Gun stores torched and the store owners burned alive. Who would do something this horrible? What do they have to gain? Flames from a torched gun store bounce across the rooftop, consuming everything in its wake. With the heat from the fire, bullets fly through the night air as the firestarter watches the scene. This ... Read more

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The Lt. Kate Gazzara Series – Books 7 – 9

Blair Howard

“Brace yourself for a serious assault on your senses and sensibilities.” GHS Greed, revenge, jealousy, money, love, hate are all motives for murder and all in a day’s work for Lt. Kate Gazzara. If you love whodunits, police procedurals, realism, fast-paced nonstop action, strong female detectives, it’s time you met Kate Gazzara, a dedicated detective ... Read more

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Paladine Political Thriller Series Box Set One

Kenneth Eade

“Robert Garcia is a vigilante known as Paladine, and in this well-written and fast-paced thriller, the author demonstrates skill not only with plot, but with character — and character is what makes this book stand out. An ill-fated love story and an irresistible dog only deepen what could be just another hit-man-killing-jihadists story.” –Publisher’s Weekly, ... Read more

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Free: The King Was In His Counting House

Daniel McCoy

The King Was In His Counting House is the story of how a South London location agent, Spencer Weintraub, hired to find a missing banker, stumbles upon the greatest royal mystery of the 20th century. In March 1917 revolution had broken out in war-torn Russia and the Tsar, Nicholas II, was forced to abdicate. Fearing ... Read more

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Onslaught

K.O. Samuels

Onslaught is a fast-paced mystery set against the backdrop of the stunning Jamaican landscape. Follow Sam Whayler on his spine-chilling adventure through this paradise on earth; birthplace of Bob Marley, reggae music, and Usain Bolt. $7.49 on Kindle... Read more

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The Gypsy: An Adam Cain Thriller

T.J. Jones

“The Gypsy stood suddenly, fired a shot, spun quickly, then fired again. Standing, and straddling my broken body, she looked like an ethereal giant; a beautiful Amazon, impossibly tall and equally invincible. Improbably she smiled down at me. “Two down, and one to go.” A mass shooting, an FBI coverup, and a madman with his ... Read more

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Sade Evans: She Will Kill to Be Happy

Tonne Odom

When it comes to crossing people, you better make sure you never cross Sade Evans. She’s young, rich and beautiful with a tragic life behind closed doors. The rage in this 18-year-old drives her to the point of no return when she decides to seek revenge on those who she feels have wronged her. Sade’s ... Read more

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Free: Missions

Marc McGuire

Its plot is smart and realistic, drawing on the fact that Paris has endured several religiously motivated terrorist attacks in the last decade, the book also grapples with popular distrust of America’s intelligence agencies. Against this backdrop, Doyle is a complicated hero who spends much time exposing duplicity within the CIA. Free on Kindle.... Read more

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In Deep

Sharon Ward

When a series of accidents befalls the staff at a Cayman Islands-based oceanographic institute, the blame falls on underwater photographer Fin Fleming, who has recently joined the institute founded by her world famous oceanographer mother. The arrival of her stepfather’s previously unknown children threatens to sink her mother’s marriage, and Fin’s ex-husband steals the wind ... Read more

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Bad Medicine

James Cohoon

Book One, Do No Harm, introduced Torrey Jamison and Matthew Preston. Torrey, with her genius IQ, gained acceptance to Stanford Medical School to pursue her dream of becoming a pediatric neurosurgeon in honor of her little sister, Leia, who died of brain cancer. At Stanford, she met her future husband, Matthew, who pursued medical school ... Read more

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Knocked Scentsless

Langley Gray

My husband is now my ex, my career is at a standstill, and I’m basically squatting above my empty storefront in a tiny mountain town in Washington. The only thing getting me through is tinkering with my perfumes. I’m a “nose” whose job is to create the perfect fragrance, but I’ve been stuck working on ... Read more

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Fresh Start

Mark Shaiken

A secret family legacy becomes a ticking time bomb…Skyscraper developer, Quincy Witherman, has continued his family’s two-hundred-year practice of hiding assets in Switzerland. Now, needing protection from his creditors, he hires bankruptcy lawyer Josephina Jillian Jones – 3J – but fails to disclose the Swiss assets to 3J, his bankers, the IRS, and the bankruptcy ... Read more

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When Blood Whispers

Richard Devall

Wendy meets her online date and gets the creepies, and leaves. Steven, a tech security guy, tells her it’s not over. Soon Wendy’s family receives ghost emails that disappear after being read. She sends her brother-in-law over to Steven’s house to warn him off. The police don’t believe her about the emails. Her brother-in-law is ... Read more

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Waiting for the Night Song

Julie Carrick Dalton

When a long-buried body is unearthed in her hometown, a forestry researcher returns home to face her past and decide what she is willing to risk to protect the people and the forest she loves. A story about friendships forged in childhood magic and ruptured by the high price of secrets that leave you forever ... Read more

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Free: Snapped

C.M. Sutter

Murder happens in Houston, but when the most recent murders take on disturbing similarities, local law enforcement officers fear a serial killer is roaming their streets. Former sheriff’s department sergeant Jade Monroe has just graduated from the FBI’s serial crimes unit in homicide and is called to Houston with her partner, J.T. Harper, to take ... Read more

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Onslaught

K.O. Samuels

An odd discovery catapults Sam Whayler into a world of crime and intrigue. Just when he thinks he’s on the verge of a breakthrough the worst happens. Onslaught is a fast-paced murder mystery within a mystery buoyed by an adrenaline fueled adventure against the backdrop of the stunning Jamaican landscape. $7.99 on Kindle... Read more

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Free: The Phoenix Series: Books 4- 6 (The Phoenix Series Box Set)

Ted Tayler

The Phoenix believes criminals should pay for their crimes. The system often fails to deliver the correct punishment. He can redress the balance. If you’re a fan of savage, underworld criminals, fast-paced action, and intense characters then you’ll enjoy following the Olympus Project and its fight against evil. Free on Kindle.... Read more

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Free: The Virtual Trail

J.C. Fields

When a young MIT graduate student working for the president of the United States’ re-election campaign is killed in a hit-and-run accident, retired FBI profiler Sean Kruger is brought in to investigate. What he discovers is an international conspiracy designed to shake the very foundation of American society. Free on Kindle.... Read more

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House Party Murder Rap: 1920s Historical Cozy Mystery (An Evie Parker Mystery Book 1)

Sonia Parin

Fun cozy mystery set in 1920s England. Evie Parker, Countess of Woodridge, is attending a house party. Along the way, an attempt is made on her life. Evie and her new chauffeur form an unlikely alliance to discover as much as they can before the killer can get it right. $0.99 on Kindle.... Read more

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Free: The Influencer: Speed Must Have a Limit

Abhaidev N/A

One of the prime minister’s many assistants, Aditya is no ordinary man. He is instead what some people call an Influencer. Yes! Literally! He is one of the few fortunate men who with the power of their minds can make other people agreeable and servile. Free on Kindle.... Read more

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