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: The Wisdom of Murder: D I Keen Investigates

William Foster

Fast moving, gruesome murders and horrific scenes. When a second young lady goes missing, from the same company, there is no such thing as coincidence. All hands are working to find her and every turn takes D I Keen back to his original prime suspect. There is a dinner party in full swing, everyone putting ... 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? $0.99 on Kindle.... Read more

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Free: Murder on the Menu

ZANNA MACKENZIE

When Lizzie’s celebrity chef boss is stabbed in the restaurant kitchen she’s horrified to find herself at the top of the police suspect list! Waitress Lizzie resolves to clear her name and track down the real murderer. She needs to get sleuthing fast though before the killer strikes again! Free on Kindle.... Read more

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Free: NJA Club Novels

Stephen Shaiken

Glenn Murray Cohen was burned out practicing criminal law in San Francisco. When he witnessed a drug client be gunned down before his eyes, he grabbed his dead client’s bundles of cash and began a new life as a wealthy expat in Bangkok. Glenn spent several years whiling away his time in the mysterious NJA ... Read more

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Marshall’s Gold

K.R. Hill

Police lieutenant Cody Brannon leaves a failed marriage to find out why his brother was murdered. He travels to the Caribbean village where his brother lived, and is forced to take along his ornery YouTube cooking star mother and despondent teenage nephew. Once there, he discovers that his late brother hid a treasure and bad ... Read more

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Time After Tyme

Kay DiBianca

Time After Tyme is a fun and thought-provoking mystery about secret codes, university intrigue, and two young girls who fancy themselves 21st-century Nancy Drews. When strange, coded messages turn up in the chapel prayer box at Bellevue University, the minister suspects a recent campus death may have been murder, so he enlists the help of ... 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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Dino Island

J. R. Hogan

  I’ve spent my life learning about dinosaurs, assuming they were all gone… But now some very real prehistoric predators are chasing a group of beautiful women… Who are very interested in chasing me. How did I get into this mess? One minute, I was a highly respected professor of paleontology, engaging my students with ... Read more

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Freeze Before Burning

Nikki Stern

What do a bartender, a priest, and a librarian have in common? They all work in New York City. They’re all true crime fans. And they’re all dead, courtesy of a predator with a chilling approach to murder. Sam Tate is in the Big Apple to find answers about her own tragic past when she ... Read more

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Lethal Ambition

Michael Swiger

A crusading African American lawyer disappears on the verge of unseating an entrenched Congressman. Found crouching over his dead girlfriend, and charged with Aggravated Murder, he turns to his 77-year-old law professor who is thrust into Cleveland’s underbelly, colliding with drug dealers, thugs, and political corruption in his quest for truth. $1.99 on Kindle.... Read more

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Free: Killing Rebecca

K. J. North

Marni Rome lives a happy life with her husband and two beautiful children. Until Her Life is Shattered… A late-night knock at the door destroys her world. When She Finds Out Who is to Blame… Marni must act on the shocking truth. The perpetrator needs to be caught and held prisoner until she decides their ... Read more

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GONE (The Harry Starke Novels Book 5)

Blair Howard

Emily Johnston is GONE. She’s been GONE for more than a week. She’s also the daughter of Harry Starke’s one-time boss and nemesis, Chattanooga Police Chief Wesley Johnston. Harry and Chief Johnston haven’t seen eye-to-eye in a long time, but when Johnston needs help, he knows there’s only one man he can turn to. But ... Read more

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A Trifling Murder

Jo A Hiestand

The annual Robert Burns Birthday Dinner celebration is underway in the small Missouri town of Beaudin Trace. Guests gather to honor Scotland’s national poet with bagpipes and haggis and a trifle for dessert. But everything isn’t as smooth as Scotch whisky. The Society’s president and vice-president have a very public haggle over the haggis. And ... Read more

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Sons of Brutality

Daniel Jeudy

A Satanic snuff club – a ruthless vigilante – an intricate web of deception – who can you trust? Los Angeles is in the grip of terror as two serial killers drop bodies throughout the city. One is killing in the name of justice; the other is killing in the name of obsession. Set against ... Read more

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Escaping Toward Freedom

Denise Turney

THE HEART OF THIS STORY HAS MADE HEADLINE NEWS Escaping Toward Freedom is the fictional story of four teens who escape a human trafficking ring, each heralding from different states. Clarissa Maxwell, a key character in this thriller, is a former Navy specialist with friends in military special forces. Clarissa is vacationing in the Georgia ... Read more

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The Viper’s Nest: A Cobra McCoors Adventure

Michael Tumminio

Cobra McCoors is back in “an exciting ride of action & adventure that leaves you wanting more!” Professional adventurer Cobra McCoors races deadly mercenaries across the hostile wilderness of Mongolia, all driven to discover the forbidden secrets of a lost, mystical power. When legends turn lethal, can Cobra and his team prevent their enemies from ... Read more

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Blaze In, Blaze Out

Joseph Lewis

Working with a joint multi-law enforcement task force, Detective Pat O’Connor infiltrated a Ukrainian crime family. Headed by Dmitry Andruko. O’Connor and his control, Detective Paul Eiselmann were the lynchpins in the guilty verdict. $0.99 on Kindle... 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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Free: The Aleutian Portal

Christopher Cartwright

A Russian cargo ship sinks in the shallow waters of the Bering Strait, and somehow vanishes without a trace. In the Colorado Plateau Desert, a cowboy follows a river of sand into an undiscovered ruin. A tunnel-boring operation between the Alaskan and Siberian peninsulas is stalled when its largest burrowing machine disappears into an abyss. ... Read more

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Temple of Shadow

Phillip Tomasso

When the famous archaeologist, Alexander Albright, passed away, his son discovered an old treasure map among his father’s belongings. Prior to entering his senior year in college, Michael convinces his closest friends to join him on one last, big adventure together. Legend claimed the pirate Roche Braziliano buried a chest filled with gold somewhere within ... Read more

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Chasing Shadows

Matthew J. Evans

When Detective Inspector David Angelis investigates the murder of a friend and neighbour, he uncovers a disturbing secret. It’s a secret that unlocks a profound and terrifying event that changed his life two years ago in Brighton. Does this secret now explain the mysterious insight he has into the minds of others? $2.99 on Kindle.... Read more

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Christabel

John Vance

In this novel-length adaptation of Samuel Taylor Coleridge’s classic narrative and Gothic ballad, reset to the year 1882, John Vance depicts the trials of seventeen-year-old Christabel, who, following the tragic death of her mother and her own near violation, is taken from her home in London to Twinehurst, an isolated manor house in the country. ... Read more

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Free: Mafia Madame

Alexa Spagnoli

In booze, gambling, and sex fueled 1980s Vegas, an unlikely Mafia kingpin was just making her way on to the scene – 18 year old Cyn Hardy. Mafia Madame pulls the curtain back on the Las Vegas sex industry, the same way Casino revealed the inner workings of the gambling industry. 1984 – Las Vegas, ... Read more

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Free: Sniper’s Nest

C. M. Sutter

The ambush is in place, he takes aim, and shots ring out. Chicago is officially on notice, and a siege is underway on the city’s men and women in blue. Assigned to the task force investigating the shootings, Jesse McCord and twenty of Chicago’s top-notch detectives work day and night to track down the sniper ... Read more

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Cameron (A Lt. Kate Gazzara Novel Book 12)

Blair Howard

Kate had no idea what she was letting herself in for when she answered the call that Monday morning. The brutal murder of Cameron Geffner started her along a trail more complex and shocking than any case she’d handled in her long career as a homicide detective. That and the turmoil in her personal life ... Read more

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Free: Endangered Species

Nate Littlefield

Divemaster and charter boat captain Alex Nolen’s peaceful and nomadic life is suddenly turned upside down by a trio of poachers in their hunt for a rare, endangered turtle along Florida’s Escambia River. The illegal animal trade can be a lucrative business, and the poachers will let nothing get in the way of their quest ... Read more

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Free: Brightside

Mark Tullius

In the future, telepathy isn’t a gift – it’s a criminal act. A new police force rounds up telepaths to house them in the mountains… …but that idyllic setting is a gilded cage with freedom just out of reach. Free on Kindle.... Read more

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Mid-Century Modern Murder

CeeCee James

Stella’s mid-century modern listing was on track to be her easiest commission ever… until the buyers asked about the rumors of a girl who drowned nearby. As part of her due diligence, Stella starts searching for answers and finds a cold case that makes no sense. A teenage girl who was a State swim team ... Read more

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The Spear of Vengeance

F. David Smith

IF YOU LIVE FOREVER, WHAT DO YOU FEAR? In this action-filled speculative thriller, FBI agent Dan Alexander is assigned to protect virologist Dr. Amelia Cranford, his former fiancée, following an apparent terrorist attack. But they are unwittingly drawn into a centuries-old conflict between two powerful Immortals. One, a 2500-year-old madman, is hell-bent on destroying humanity. ... Read more

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Free: Off Kilter

Glen Robins

While mourning the tragic loss of his family, Collin Cook finds himself in a deadly game of cat and mouse with the nefarious cyber terrorist Pho Nam Penh. Collin’s insurance settlement has made him a target. His grief has made him unstable. His friends, including the NSA’s top cybercrime expert Lukas Mueller, have given him ... Read more

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Brandon Hall Mysteries – Books 1 – 4

John Theo, Jr.

Brandon Hall is drawn back into his previous life as a private investigator with an explosive first case! Murder at Cluster Springs Raceway – Virginia Senator Gregory Schilling’s son died in a fiery crash on a racetrack. But was it an accident? Or murder? Only Brandon Hall can figure this one out. But he’s still ... Read more

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Mary Finch and the Grey Lady

S S Saywack

“THIS IS THE DAY WE AWOKE DEATH,” Mrs Grady said. Meet fourteen-year-old Mary Finch – a bold, determined heroine, and the star of a stylish new detective series. Book two of the Mary Finch Victorian Maid Mysteries sees Mary confront the ghost of the Grey Lady. If she is to save her mistress, she must ... Read more

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Free: Welcome To The Family: Blood In, Blood Out (The Morris Crime Family Book 1)

Alex J. Fischer

Joining a crime family seemed like easy money for his sick sister but the life of a made man is fraught with danger as Roger will soon learn. His life will descend into a whirlwind of blood, sin, and chaos. To make matters more complicated, the boss’s obsessive daughter has her sights set on him ... 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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Free: Fireplay (Jack Emery 0.5)

Steve P. Vincent

Embedded with the Marines in Afghanistan, nothing has prepared reporter Jack Emery for the deadly story that’s about to explode right in front of him… Free on Kindle.... Read more

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Loss

Jane Lightbourne

Described as ‘beautifully written’ by one reviewer, ‘raw and beautiful’ by another, and awarded a Badge of Excellence, LOSS is a compelling and highly charged story that uses the evocative backdrop of the Scottish Highlands to explore the redemptive power of relationships and the limits of humanity against a chilling backdrop of mystery and suspense. ... Read more

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Sovereign Assassin

Robert New

In the tiny European country of Tantalia, Princess Niobe is coming of age and being groomed to ascend to the throne. Shortly she will become Queen. Secretly however, from the age of sixteen, the Princess has been trained by her martial arts instructor, Gethan, to kill the businessman responsible for her parent’s deaths. Once queen, ... Read more

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You Say Goodbye

Keith Steinbaum

The murder of an ex-rock star’s girlfriend at the hands of a notorious serial killer leads a detective to conclude that the perpetrator was someone the musician knows. Now the detective seeks his help in finding who it was. $2.99 on Kindle.... Read more

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Free: Mona Lisa’s Secret

Phil Philips

When the great-grandson of an infamous art thief discovers he’s in possession of the priceless Mona Lisa — leading an unscrupulous Louvre curator to take his girlfriend hostage — he struggles to use the piece as a bargaining chip to rescue her while uncovering a family secret that has the potential to rewrite history. Free ... Read more

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Free: That Was Before

Dan Lawton

“Buckle up for a full-throttle thriller drawn with full-bodied characters.” –Best Thrillers An hour after Randolph Spiers quits his job as a mechanical engineer, he finally approaches the woman he’s eyed at the supermarket, only to watch it explode minutes later with her trapped inside. Free on Kindle.... Read more

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