Thriller


Tangled Secrets and Dirty Cops: Free Mystery eBooks

Shifting and Shenanigans

Shifting and Shenanigans by Elizabeth Pantley: This book club dives (literally!) into the pages of a cozy mystery. This quirky group of brave members must solve the mystery to get out of the book. It’s so much fun – you’ll wish for a book club like this!

This book is Free on September 18, 2025

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Curses and Consequences

Curses and Consequences by Clare Lockhart: Midlife magic, murder, and a mystery that threatens everything she’s trying to build. Addie Keane’s new life takes a wild turn when a plea for help ends in murder—and her own powers awaken. With a newfound aunt, a thieving cat, and a suspicious sheriff in tow, she must untangle secrets, prove her innocence, and survive turning fifty… magically.

This book is Free on September 18, 2025

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Discovery: Finding Home (Emily's Cat Mysteries Book 1)

Discovery: Finding Home (Emily’s Cat Mysteries Book 1) by Anna K Payne: Celebrate Emily’s Cat Mysteries Cozy Mystery series’ new look with me by downloading Discovery: Finding Home. Revisit the pandemic with Emily as she adopts a kitten for company during the lockdown. While it’s easy for Emily to work from home, she soon discovers her cat enjoys helping others as much as she does—journey with them through it all.

This book is Free on September 18, 2025

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A Collision of Secrets

A Collision of Secrets by William Coleman: Within hours of a chance meeting with his past, Richard’s world falls apart. He wakes in the hospital to find wife, Sonia, is missing. And his company is being drained of cash. Richard must step back into a life he had left behind to find Sonia.

This book is Free on September 18, 2025

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Fatal Decision (The Freeman Files Book 1)

Fatal Decision (The Freeman Files Book 1) by Ted Tayler: He thought he’d left his life as a detective behind. But the past has a deadly way of catching up. Ten years after Daphne Tolliver’s murder, retired DI Gus Freeman is called back to crack the cold case. With a new team and old wounds, he must unearth truths long buried in Lowden Woods. Can fresh eyes uncover what past detectives missed?

This book is Free on September 18, 2025

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Delayed Justice

Delayed Justice by Dennis Carstens: Celebrated criminal lawyer Marc Kadella’s sworn off drug cases, but it’s for a friend. He enlists PI Maddy Rivers to dig up dirt on two cops suspected of planting evidence on the bust, but she’s sidelined when her boyfriend is found dead and she’s arrested for the murder! To save Maddy, Marc must delve deep into a drug cartel’s money laundering.

This book is Free on September 18, 2025

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Escape & Evade (Nate Hendrix Survival Thriller Book 1)

Escape & Evade (Nate Hendrix Survival Thriller Book 1) by JT Sawyer: After his cover is blown, former CIA Officer Nate Hendrix has to flee his home in the Utah desert before a team of mercenaries closes in while using all of his survival and counter-tracking skills to escape them…and his past. For fans of First Blood, The Old Man, and Last of the Breed.

This book is Free on September 18, 2025

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Search for the Lost

Search for the Lost by Graham Wilson: 5 Book Box Set in the landscape of Crocodile Dundee. She came to Australia as an English visitor. Her idyllic trip turns to terror. She returns home but is charged with the murder of the man she travelled with. She discovers that others who accompanied this man have also vanished. Now she is missing too!

This book is Free on September 18, 2025

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No Man’s Land Thriller Series

Splinter (No Man's Land Book 1)

Splinter (No Man’s Land Book 1) by Joseph Hansen: Jerry just bought his first truck, an important feat for a Midwestern farm kid caught between his first year of college and the distractions of young love. Unaware that the days of institutions were coming to an end, Jerry took life on the chin, facing everything as the man his father raised him to be. Until legends from a past he knew nothing of came into being before his very eyes.

This book is Free on September 17, 2025

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Accident-Prone Detectives and Gruesome Murders: Free Mystery eBooks

Halloween Hijinks (Zoe Donovan Mystery Book 1)

Halloween Hijinks (Zoe Donovan Mystery Book 1) by Kathi Daley: Zoe Donovan is a cozy mystery series with enduring friendships, memorable characters, an enchanting setting, and a generous dollop of romance.

This book is Free on September 17, 2025

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Elliefant's Graveyard (The Prendergast of The Yard Casebooks Book 1)

Elliefant’s Graveyard (The Prendergast of The Yard Casebooks Book 1) by Em Thompson: The first in the Prendergast of the Yard series of investigations by ambitious accident-prone rookie detective, Heather Prendergast, takes her to an isolated mill town in the North of England populated by a wacky cast of sinister characters. A mixture of suspense, mystery, humour and wordplay.

This book is Free on September 17, 2025

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Possessed by Death (Crimes of Inhumanity Book 1)

Possessed by Death (Crimes of Inhumanity Book 1) by John Dolan: Retired private detective David Braddock is finding life boring until the gruesome murder of his neighbor draws him back into his previous profession. And that is only the start… This atmospheric mystery-thriller takes the reader deep into London’s underground ‘ghost’ stations and features a cast of eccentric and dangerous characters. Buckle up!

This book is Free on September 17, 2025

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The Good Client (Mitch Turner Legal Thrillers Book 1)

The Good Client (Mitch Turner Legal Thrillers Book 1) by Dan Decker: Criminal defense attorney Mitch Turner is awoken in the middle of the night by a text from his nerdy employee, Timothy, begging Mitch for help. Mitch arrives to find the police at Timothy’s apartment and learns that Timothy’s roommate was murdered. Timothy is the prime suspect. Can Mitch find the true murderer? Pick up your copy today!

This book is Free on September 17, 2025

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Her

Her by Marata Eros: 🔪 FREE for TODAY ONLY! Immerse yourself in HER by NY Times bestseller Marata Eros—a suspenseful thriller where secrets🤫 betrayal 💔 and danger ⚠️ collide. Two women bound by love & dark truths face deadly risks. Download NOW before this heart-pounding read is gone! 📖 Fans of intense twists won’t be able to put it down! #Thriller#RomanticSuspense

This book is Free on September 17, 2025

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Set Apart by K.J. McCall: “Set Apart” is an intriguing missing-persons detective story combined with a plausible view of a national health care system misused by its overseers to the detriment of the American public. The novel is pure fiction. Kirkus Reviews says it’s a “well-paced, attention-grabbing mystery.” Is it also a clever foretelling? That’s the real question. #Thriller#RomanticSuspense

This book is Free on September 17, 2025

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Flight of the Forgotten: A True Story of Heroism and Betrayal

Flight of the Forgotten: A True Story of Heroism and Betrayal by Mark Vance: The true story of one of the most closely-guarded secrets in American military history. This book is a living memorial to the Jack B. Ketchum Bomber Crew of World War II, and it serves as a public counter to official efforts by the U.S. Government to have these men forever forgotten.

This book is Free on September 17, 2025

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Brutal Killers and Haunted Profilers: Free Mystery eBooks

The Ballochbrae Book Club

The Ballochbrae Book Club by MC Mackay: On Balmoral Castle’s doorstep, Flora, Heather, Chatty and Morag form a book club. But when a body is dragged from the River Dee, they decide to investigate. When the police warn them off, the would-be detectives have only 48 hours to solve the mystery. As the clock runs down, it emerges that their suspects aren’t the only ones with guilty secrets.

This book is Free on September 16, 2025

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Texas Summers Are Murder (Magnolia Bluff Crime Chronicles Book 20)

Texas Summers Are Murder (Magnolia Bluff Crime Chronicles Book 20) by Jinx Schwartz: Blue, a prominent watercolorist in the Texas Hill Country, has a backlog of commissions and believes her peaceful lakeside studio is ideal for catching up. But a friend is suspected of murder, she jumps to the defense, and her art schedule becomes another victim. The cliches ‘suffering for your art’ and ‘no good deed goes unpunished’ soon apply.

This book is Free on September 16, 2025

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The Long Way Home (A Samantha Church Mystery Book 6)

The Long Way Home (A Samantha Church Mystery Book 6) by Betta Ferrendelli: Haunted by the death of her co-worker and good friend, reporter Samantha Church sets out on a journey to the border town of El Paso, Texas, to find the younger sister he never got the chance to know.

This book is Free on September 16, 2025

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Carbon-14 (Amari Johnston Book 1)

Carbon-14 (Amari Johnston Book 1) by R.A. Williams: When the Shroud of Turin is carbon dated at the University of Arizona, a criminal justice major makes a shocking discovery that can alter the fate of Christianity. She teams up with a young scientist who helped date the Shroud, and together they work to bring their case to the Vatican—unless a ruthless serial killer can stop them first.

This book is Free on September 16, 2025

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The Only Child

The Only Child by S Englefield: An exciting British crime thriller, set on the Isle of Wight, that keeps you on the edge of your seat from start to finish.

This book is Free on September 16, 2025

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Niki Undercover

Niki Undercover by James M. Jackson: Undercover FBI agent Ashley Prescott’s father blows her cover, then vanishes, leaving her a cryptic note. HQ yanks her from Patriots for Freedom just as the militia launches phase one of its coup. A massive weapons sale will soon arm them. Defying orders, she has ten days to wreck the arms sale, find her father, and expose the leaker—or die trying.

This book is Free on September 16, 2025

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Deuce Mora Mystery Series Box Set (Books 1-3)

Deuce Mora Mystery Series Box Set (Books 1-3) by Jean Heller: Deuce Mora’s one tough cookie—a female sleuth with a conscience and an attitude—fiery, tough, athletic, and a dirty fighter when she has to be. The scrappy Chicago Journal political columnist doesn’t shy away from fights; she tends to pick them. But now and again, Deuce’s search for a good story is more trouble than she was really looking for.

This book is Free on September 16, 2025

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Conception: Birth of The Phoenix Box Set (Books 1-2)

Conception: Birth of The Phoenix Box Set (Books 1-2) by Ted Tayler: Two men. One destined for vengeance. One sworn to justice. When Colin Bailey’s world collapses, grief and rage forge his transformation into The Phoenix. As his enemies fall, Detective Phil Hounsell uncovers the truth—but can he stop what’s coming? These raw, relentless prequels reveal the birth of a vigilante no law can contain.

This book is Free on September 16, 2025

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Reservations

Reservations by Theresa Janson: A brutal case. A haunted profiler. A killer hiding in plain sight. When young Native American boys vanish across the West, Special Agent Samantha Wright must finish her mentor’s work. Armed with rare insight and relentless grit, she hunts a predator who hides in shadows—and in the open.

This book is Free on September 16, 2025

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Creepy Messages and Amatuer Sleuths: Free Mystery eBooks

All Too Dead (Swift Justice Club Cozy Mysteries Book 1)

All Too Dead (Swift Justice Club Cozy Mysteries Book 1) by Scarlett Moss: Elle Harper inherits a coastal pub and a mystery with more twists than a curly straw. Everyone says her family friend died of natural causes—until creepy messages hint otherwise. Now Elle and her Swiftie sleuth squad are serving tea, dodging secrets, and chasing a killer who isn’t done yet.

This book is Free on September 15, 2025

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The Alvarez Family Murder Mysteries Box Set (Books 4-6)

The Alvarez Family Murder Mysteries Box Set (Books 4-6) by Heather Haven: PI ferret Lee Alvarez normally sniffs out dastardly cybercrimes, but when she occasionally falls over a dead body or two, she ably solves murders. This set is for cozy readers who can’t get enough of a smart-mouthed woman sleuth out to please her never-a-bad-hair-day mother, computer-genius brother, handsome main squeeze, and an exceptional kitten.

This book is Free on September 15, 2025

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Deadhead and Buried (The English Cottage Garden Mysteries Book 1)

Deadhead and Buried (The English Cottage Garden Mysteries Book 1) by H.Y. Hanna: A cozy English village, a clueless city girl, and a cat who thinks he knows it all… She can’t grow roses—but murder is blooming nicely. Poppy never expected to inherit a lush cottage garden nursery, complete with nosy neighbours, a bossy ginger cat, and a dead body! Now she’s digging for clues—but may just end up digging her own grave too.

This book is Free on September 15, 2025

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A Man's Partner (The Detective Jericho Series Book 4)

A Man’s Partner (The Detective Jericho Series Book 4) by Walter Marks: Detective Jericho’s ex—partner from NYPD commits suicide. Jericho believes he was murdered and goes into Manhattan to investigate. As Sam Spade says in “The Maltese Falcon” — “when a man’s partner is killed, he’s supposed to do something about it.” This book is a film noir story in novel form.

This book is Free on September 15, 2025

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View from a Bridge (Trespassing Book 4)

View from a Bridge (Trespassing Book 4) by P.W. Creighton: It’s the start of Junior year, but Logan and Devin can’t easily move on. Someone else is dead, and they were involved. Logan is trying to protect his new accomplice, Devin, unfortunately, she is also being blackmailed. Not only did someone assault her-they took pictures, and are distributing them through the school. And she isn’t the only one.

This book is Free on September 15, 2025

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Dead End (Kaitlyn Willis Road Signs Mysteries Book 1)

Dead End (Kaitlyn Willis Road Signs Mysteries Book 1) by Leslie J. Hall: Kaitlyn’s job in Code Enforcement involves writing tickets for tall weeds and RVs parked on the suburban lawns. But when she finds a dead body in the yard of a perfect-on-the-outside house, her safe and stable world is turned upside down. If she’s not careful, code enforcement might get her killed. Book one in a fun, PG-rated, amateur sleuth series.

This book is Free on September 15, 2025

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The Norn Conspiracy

The Norn Conspiracy by Abraham Sivan: A mysterious series of deaths and disappearances. A secret organization pulling the strings in the shadows. An ex-elite forces commander and secret agent racing against time.

This book is Free on September 15, 2025

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The Blackout Age by Carter Woods: A massive EMP plunges Los Angeles into chaos. Trapped in a penthouse, Cassy must use her military training to protect her sister and survive fires, looters, and a city collapsing into darkness.

This book is Free on September 15, 2025

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Key Quest

Key Quest by John Dobson: When photographer Connor Barrett discovers a puzzling artifact in the museum at Mesa Verde, he asks anthropologist Jill Larkin to help interpret his discovery and to locate other examples of the artifact. The more they learn, the more concerned they become about the terrifying powers of the talismans they have collected.

This book is Free on September 15, 2025

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Brandon Fisher FBI Thriller Series

Eleven (Brandon Fisher FBI Series Book 1)

Eleven (Brandon Fisher FBI Series Book 1) by Carolyn Arnold: In this absolutely heart-pounding and chilling thriller, rookie FBI agent Brandon Fisher takes on his first investigation with the Behavioral Analysis Unit and becomes the target of a serial killer.

This book is Free on September 14, 2025

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Missing Men and Shady Conspiracies: Free Mystery eBooks

Escape to Osprey Cove (The Osprey Cove Lodge Series Book 1)

Escape to Osprey Cove (The Osprey Cove Lodge Series Book 1) by Luisa Marietta Gold: Luisa Marietta Gold spent a large part of her adult life in Pennsylvania working for a large corporation. After her daughter was born, she relocated to North Carolina and began working as a Realtor while running a recreational business with her husband. She currently resides on eleven acres near a lake reminiscent of the Rideau lake chain that provides the setting for her Osprey Cove Lodge Series.

This book is Free on September 14, 2025

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The Nowhere Man

The Nowhere Man by Graham Wilson: Who is the man from nowhere–parts of his body found in a remote Australian waterhole? And who was the woman with him on the days before he died? What first looks like a crocodile attack turns into murder. What really happened on that fateful day?

This book is Free on September 14, 2025

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The Adulterer's Daughter

The Adulterer’s Daughter by Sam Anthony: Every monster has a beginning. Six friends. Three couples. One perfect existence. Until everything falls apart. To the outside world, their lives seem idyllic – barbecues, laughter, and evenings of friendship. But behind the smiles lie secrets, betrayals, and simmering resentments that are about to explode. Within a year, two of them will be dead.

This book is Free on September 14, 2025

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The Invisible Eye

The Invisible Eye by Sparrow Hall: A sexy, fast-paced psychic thriller. A fashion-world insider with second sight chases a covert government program as past lives flood the present—from Manhattan’s gloss to Upstate New York’s shadows—where love, spirit, and conspiracy collide. Propulsive and atmospheric. Paranormal suspense + conspiracy noir. Standalone with book-club depth.

This book is Free on September 14, 2025

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Betrayals

Betrayals by Leo Morfel: Ernie, a criminal lawyer, persuades a federal agent to promote the cooperation of a con man he represents, but the man betrays the agent and offers Ernie a share in his stolen money. Has Ernie betrayed his friend and his profession?

This book is Free on September 14, 2025

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Atlantis Thriller Series

Atlantis (Atlantis Book 1)

Atlantis (Atlantis Book 1) by Bob Mayer: “Spellbinding!” Terry Brooks references Atlantis. Flight 19 disappears. The Thresher is lost in the deep. Green Beret Erik Dane leads a recon mission deep into the Cambodian jungle and encounters a horrific enemy. All lead to a war that will cross time and space. A #1 Amazon bestseller.

This book is Free on September 13, 2025

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Weaponized Satellites and Abandoned Girls: Free Mystery eBooks

Terminal Silence (The Cause Book 3)

Terminal Silence (The Cause Book 3) by Dan Klasing: A shocking rocket launch. A weaponized satellite network. Special Agent Frank Deal races against time to stop The Cause before they plunge the world into chaos in Terminal Silence, the explosive third book in the series.

This book is Free on September 13, 2025

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Suitcase Girl (SG Trilogy Book 1)

Suitcase Girl (SG Trilogy Book 1) by Ty Hutchinson: Agent Abby Kane discovers an unlikely connection with a lone little girl abandoned outside FBI headquarters: They look exactly alike. For a tense, disturbing thrill-ride, grab Suitcase Girl. Book one in the Suitcase Girl trilogy.

This book is Free on September 13, 2025

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The Man I Didn't Know

The Man I Didn’t Know by A.M. Sinclair: Samantha Holland was weeks away from marrying the man of her dreams. Until the day she brought him lunch, and learned he hadn’t worked there in months. Hours later, he was gone. No clothes. No photos. Nothing. The home that once promised safety now echoes with secrets. And someone—someone close—is working to unravel her life from the inside.

This book is Free on September 13, 2025

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The Journey: Race to Mars

The Journey: Race to Mars by K.L. Vaylen: Eight months trapped with strangers on the first mission to Mars. When screams echo in the dark and fear turns crew against crew, survival depends on trust—and in this relentless thriller, trust is the rarest resource of all.

This book is Free on September 13, 2025

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Deranged Pyschopaths and Disgraced Investigators: Free Mystery eBooks

Laurel McKay Humorous Mysteries Box Set (Books 1-3)

Laurel McKay Humorous Mysteries Box Set (Books 1-3) by Cindy Sample: This boxed set includes the first 3 books in the national bestselling ‘Laurel McKay Humorous Mysteries: DYING FOR A DATE,’ #1 Amazon bestseller in cozy mysteries and humor, ‘DYING FOR A DANCE’ and ‘DYING FOR A DAIQUIRI,’ both LEFTY Award finalists for Best Humorous Mystery.

This book is Free on September 12, 2025

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The Winterstone Murder (The Woodhead & Becker Mysteries Book 1)

The Winterstone Murder (The Woodhead & Becker Mysteries Book 1) by Paul Austin Ardoin: He’s an irascible forensic pathologist with a dark past. She’s a disgraced federal investigator. Their first case: a graduate student has been found dead in a 15th-century chapel, overdosed on a controversial hallucinogen. Do Woodhead and Becker have a prayer of discovering the truth before the killer strikes again?

This book is Free on September 12, 2025

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Chicago Jazz

Chicago Jazz by Gregory C. Randall: In the hot summer of 1933 in Chicago, Detective Tony Alfano is stunned by the violent, senseless death of a young Italian woman. As the weeks pass the Chicago World’s Fair anticipates the arrival of Mussolini’s aerial armada of flying boats and more murdered and brutalized bodies are discovered. Is there a connection to the Fair or the work of a deranged psychopath? Will Alfano stop the killings?

This book is Free on September 12, 2025

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Who's Killing the Serenity Cruise?

Who’s Killing the Serenity Cruise? by Jon Spoelstra: It’s a luxury cruise you could only dream about. But, alas, there’s a killer on board. The cruise becomes a nightmare. There are obvious candidates who the killer is (you’ll know them) and non-obvious ones that would fool anybody. Add in secret rooms. This is a jigsaw puzzle with too many pieces. This book reads fast. Old guys like things fast.

This book is Free on September 12, 2025

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Desert Highway

Desert Highway by Sam Baron: In the new ‘Baker & Tate’ mystery, Ruth and Aaron face a sniper’s deadly game on a remote desert highway where escape is impossible. As they dig deeper, they uncover ties to a death cult whose dark secrets may hold the key to the case. With each discovery, the snipers grow bolder, targeting anyone who gets too close, including Ruth herself.

This book is Free on September 12, 2025

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Solomon's Scrolls

Solomon’s Scrolls by Richard Turner: When Kim Swiftwater, an aspiring thief, and Connor North, the leader of an anti-poaching team, are thrust together, they must put their differences aside to find the truth behind a legend dating back to the First Crusade. Following clues from Paris, Switzerland, Thailand, and beyond, Kim and Connor need to remain one step ahead of a shadowy organization intent on finding the biblical treasure.

This book is Free on September 12, 2025

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Proportional Response

Proportional Response by Tim Enright: A soldier’s reckless revenge kills an Afghan minister’s grandson, sparking a plot to strike Main Street America. Diplomat Ben Brownwell must outwit terrorists and his own government to stop the unthinkable—before vengeance explodes on U.S. soil.

This book is Free on September 12, 2025

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Hearts Under The Sword

Hearts Under The Sword by Jonathan Aubrey: After a decade in prison, painter Ray Martin is thrust into a circle of privilege thanks to the world’s most renowned artist. On an opulent estate outside New York, surrounded by other artists and the allure of his patron’s young wife, he’s pulled into a frightening web where desire, deception, and ambition collide with shocking results.

This book is Free on September 12, 2025

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