Thriller

Hostage Deadlines, Hidden Pasts, and Shadowy Plots: Free Mystery / Thriller eBooks

The Silver Gun (A Lane Sanders Mystery Book 1)

The Silver Gun (A Lane Sanders Mystery Book 1) FREE by L.A. Chandlar: In 1930s New York, mayor’s aide Lane Sanders battles corruption, gangsters, and ghosts from her past. When a murder weapon resurfaces—a gun tied to her childhood—she’s thrust into a deadly game of secrets and power. The Silver Gun is a glittering Jazz Age mystery of courage, danger, and redemption.

This book is Free on June 14, 2026

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EMP Final Warning

EMP Final Warning FREE by Colton Lively: One second, Beth Green is saving lives. The next, the world flatlines. A strange surge wipes out the grid and turns her hospital into a war zone. Her husband and daughter are miles away, unreachable and alone. To get back to them, Beth will have to cross a city that’s learning how fast civilization can die.

This book is Free on June 14, 2026

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Seven Days From Sunday (An MP-5 CIA Thriller Series Book 1)

Seven Days From Sunday (An MP-5 CIA Thriller Series Book 1) FREE by M.H. Sargent: Set during the Iraq War, this fast-paced thriller follows a ruthless terrorist who vows to execute an American hostage and launch a deadly attack in seven days. As a CIA team races to stop him, an Iraqi pharmacist infiltrates the cell to find his kidnapped fiancée—and learns she may be the key to the coming attack.

This book is Free on June 14, 2026

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Runaway Conspiracies, Devious Schemes, and Haunted Pasts: Free Mystery / Thriller eBooks

A Grave Roast (Orchard Hollow Book 1)

A Grave Roast (Orchard Hollow Book 1) FREE by A.N. Sage: Piper Addison has three problems: a broken espresso machine, malfunctioning magic, and a dead body. Guess which one she doesn’t see coming? 'A Grave Roast' is a paranormal cozy mystery complete with an unlucky witch, a ghost familiar, and a feisty raccoon with a talent for getting into sticky situations.

This book is Free on June 13, 2026

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Welcome Home to Murder

Welcome Home to Murder FREE by Cindy Kline: Molly McGuire returns to Ireland when her marriage in the United States ends, looking forward to reconnecting with her family. When her childhood nemesis ends up dead and her brother the prime suspect, Molly goes to work on finding the real killer! Start the adventure with Book One. Ten books of Irish mystery, mayhem, and a bit of magic!

This book is Free on June 13, 2026

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Turtle Cove

Turtle Cove FREE by Marc Landau: Florida heat doesn't just make you sweat; it makes you crazy. Nolan Parker’s version of paradise is simple—a quiet beach, a loyal pup, and a turtle to paint. But "simple" doesn't pay for kibble, and inflation has him one missed paycheck away from a cardboard box with a view. When a gig to find a runaway teenager leads him into the heart of the Everglades, his quiet life goes up in swamp gas...

This book is Free on June 13, 2026

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Other People's Money (The Madeline Dawkins Mystery Series Book 9)

Other People's Money (The Madeline Dawkins Mystery Series Book 9) FREE by Cynthia Hamilton: While Madeline and her team search for a missing bookkeeper, while vetting a possible gold-digger, startling connections begin to appear, adding to the complexity of what they’re dealing with. The MDPI team is pulled in several different directions as they try to track down grifters who find the lure of other people’s money too hard to resist.

This book is Free on June 13, 2026

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The Future Ones (Althea Johnson Series Book 2)

The Future Ones (Althea Johnson Series Book 2) FREE by S. A. Asthana: Police Lieutenant Althea Johnson understands that a case is truly closed only when there are no unanswered questions left. That’s the foundation of policing aboard the Starshot, a spaceship deep into its millennia-long journey to Proxima Centauri b. But a new act of violence forces her to confront how much was left unresolved beneath her last case.

This book is Free on June 13, 2026

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Deuce Mora Mystery Series (The Deuce Mora Series Book 7)

Deuce Mora Mystery Series (The Deuce Mora Series Book 7) FREE by Jean Heller: Fiery, tough, athletic, and a dirty fighter when she has to be, journalist Deuce Mora tends to lean more heavily on her "investigative reporter" profile than her “lead columnist” title strictly requires. Rather than shying away from fights, she tends to pick them.

This book is Free on June 13, 2026

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Oceans of Trouble (Tyler's Trouble Trilogy Book 2)

Oceans of Trouble (Tyler's Trouble Trilogy Book 2) FREE by Travis Casey: Fast, foul-mouthed, and laugh-out-loud ridiculous, this is a sea story for anyone who’s ever tried to escape their problems… only to discover they stowed away in your seabag. Come aboard—just don’t volunteer to “blow the EOOW.”

This book is Free on June 13, 2026

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Veritas

Veritas FREE by Livia Huntingdon-Jones: Will the truth set you free?

This book is Free on June 13, 2026

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Out of Control

Out of Control FREE by Linda Riedle: Forensic pathologist Lily Markham's life is turned upside down when her father's body shows up on her autopsy table, thirty years after she believed him dead. With reason to think that the killers want her dead also, she is in a race to find answers—a search that will lead her to a shocking conspiracy at the highest levels of government.

This book is Free on June 13, 2026

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Restless Spirits, Hidden Betrayals, and Dangerous Truths: Free Mystery / Thriller eBooks

The Heart’s Choice (Cotton Cops Mysteries Book 1)

The Heart’s Choice (Cotton Cops Mysteries Book 1) FREE by Anna Markland: Uprooted to a crumbling estate in industrial Lancashire, Beatrice Parker never expected to fall for a ruthless mill owner. But when murder strikes his mill and scandal threatens them both, Bea and Roger must risk everything—because love born in danger may not survive the truth.

This book is Free on June 12, 2026

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Murder Most Foul (A Jack Dunn & Martha Healey Mystery Book 4)

Murder Most Foul (A Jack Dunn & Martha Healey Mystery Book 4) FREE by Maggie McChristie: In the close-knit town of Oak Hill, secrets are hard to keep. A series of troubling incidents at a local private academy draws Jack Dunn and Martha Healey into a maze of betrayal and hidden pasts. When nothing is as it seems, learning the truth can be murder.

This book is Free on June 12, 2026

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Shadow of the Sunstone (Sierra Byrd's Airborne Archaeological Adventures Book 1)

Shadow of the Sunstone (Sierra Byrd's Airborne Archaeological Adventures Book 1) FREE by Luke Richardson and John Hopton: Sierra Byrd swapped the flight deck for solitude. Then an archaeologist arrived with an ancient relic—and a sinister plot to poison humanity. Now she's back in the cockpit, racing against time and a megalomaniac seeking immortality. Ancient mysteries. High-stakes dogfights. Zero profanity. Shadow of the Sunstone—Indiana Jones meets Top Gun.

This book is Free on June 12, 2026

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Innocent Monsters (The Orphic Assassin Trilogy Book 3)

Innocent Monsters (The Orphic Assassin Trilogy Book 3) FREE by Sam Luna: Damien Attica is the anti-hero to end all anti-heroes--from ancient Greece to 1992 Albuquerque to modern-day Los Angeles... a restless spirit reincarnates across the millennia to dispense brutal justice. The thrilling conclusion of the reader-acclaimed Orphic Assassin Trilogy.

This book is Free on June 12, 2026

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She Emerged

She Emerged FREE by Alex Ruby: A disgraced detective. A wrongful arrest. A killer no one sees coming. When Amber Jones is pulled back into a D.C. murder investigation, she uncovers a web of corruption connecting dirty cops, Russian mobsters, judges, and old friends. The truth will shatter everything. Because the killer is a woman who emerged into the darkness long ago.

This book is Free on June 12, 2026

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Double Exposure (The Exposure Series)

Double Exposure (The Exposure Series) FREE by Kirk Voclain: A photographer with a spy’s eye. A traitor inside the agency. A mission designed to make him the perfect fall guy. When Reed Sawyer captures the wrong secret, every shot could be his last. 'Double Exposure' is a high-tension espionage thriller loaded with betrayal, conspiracy, and danger in every frame.

This book is Free on June 12, 2026

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Hidden Wallets, Clever Heists, and Shrouded Pasts: Free Mystery / Thriller eBooks

Murder Along the Garden Trail (An Unputdownable Lila Jennings Cozy Mystery Book 5)

Murder Along the Garden Trail (An Unputdownable Lila Jennings Cozy Mystery Book 5) FREE by Diane Scotland: The Maplewood Garden Trail was meant to be a celebration of beauty, community, and carefully curated perfection. Until the event’s star horticulturist is found dead inside a locked greenhouse. Now, florist Lila Jennings must untangle a mystery rooted in secrets, sabotage, and a killer who knows how to make danger look like an accident.

This book is Free on June 11, 2026

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On Silent Lake: A Marley Madison Short Mystery

On Silent Lake: A Marley Madison Short Mystery FREE by C. S. Nelson: A grieving former detective. A silent Oregon lake. A body that changes everything. When Marley Madison retreats to a small town for a fresh start, she’s pulled into a mystery tied to old secrets, missing people, and a past someone will do anything to protect. Book 1 in the Marley Madison Short Mysteries.

This book is Free on June 11, 2026

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Cinnamon and the Clue in the Cardamom (The Catmint Chronicles Book 1)

Cinnamon and the Clue in the Cardamom (The Catmint Chronicles Book 1) FREE by Amanda Sterczyk: Escape into a paranormal mystery filled with magic and humor. Meet the residents of Cresswell-on-Wyrd and discover a world where secrets are hidden in every corner. The Catmint Chronicles is a no-murder cozy series perfect for readers who love witty dialogue, charming settings, and a dash of the supernatural. And a talking cat.

This book is Free on June 11, 2026

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Under a Raging Moon (River City Book 1)

Under a Raging Moon (River City Book 1) FREE by Frank Zafiro: A serial robber who is getting more and more violent and a group of patrol officers scramble to stop him... before it is too late. Features an ensemble cast of police officers. Written by a real cop with real experience, this book is like a paperback ride-along.

This book is Free on June 11, 2026

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The Gray Zone

The Gray Zone FREE by Daphna Edwards Ziman: Blind justice masked the truth … Fleeing an abusive foster home, Kelly Jensen transforms into an elusive, daring, and seductive criminal who will do anything to protect those she loves. She’s become a master of disguise and voice to save herself and her children from the powerful and sadistic man who killed her mother. And is now stalking her.

This book is Free on June 11, 2026

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Posse of Thieves (The Tinman Series Book 1)

Posse of Thieves (The Tinman Series Book 1) FREE by Marc J. Reilly: Thirty-five years ago, the heist went off without a hitch, but all Peach and Tinman got were a few old baskets. Too bad they didn’t know they were worth a million bucks each, or they wouldn’t have given them away. What’s a crook to do? What else. Steal them back again. For action, madcap adventure, and daring heists, don’t miss this comedic gem.

This book is Free on June 11, 2026

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Little Girl Taken

Little Girl Taken FREE by Hazel Holmes: She's spent her career finding other people's children. Now someone has taken hers. For twenty years, children have vanished in seconds. Detective Mia Anderson got closer than any cop ever has, and that was her mistake. This kidnapper doesn't run; she retaliates. Now Mia has three days, no backup, and one choice: follow the rules, or go alone into the dark to save her daughter.

This book is Free on June 11, 2026

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Red 21 (A Finn and Mara Mystery Thriller Book 1)

Red 21 (A Finn and Mara Mystery Thriller Book 1) FREE by Ashen Gray: Ex-cop turned P.I. No client. $10,000 in cash and a note telling him to bet it all on Red 21. Finn O'Connor never asks questions. Until now. One spin of the roulette wheel pulls him into a conspiracy with no visible bottom — and introduces him to a woman he can't quite read. And an enemy he can't even name. Nothing is left to chance.

This book is Free on June 11, 2026

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The Legacy of Silence

The Legacy of Silence FREE by Christos Vlassis: Some doors open to let you in, but others to never let you out. A homeless 20-year-old finds a billionaire’s wallet. Returning it should have been the end. Instead, Nikitas is pulled into a dark corporate world. Dive into The Legacy of Silence, a gripping psychological suspense about the cost of belonging.

This book is Free on June 11, 2026

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The Guilty Pleasures Editions Thriller Series

Campus Call Boy (Guilty Pleasures Editions Book 1)

Campus Call Boy (Guilty Pleasures Editions Book 1) FREE by Romeo Preminger: When Noah Jeffries gets hired by an obsessive client, he finds out that working as a high end escort to pay for college could be murder. The first book in Romeo Preminger's branded domestic thriller series, Guilty Pleasures Editions.

This book is Free on June 10, 2026

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Other Books in the series

The Manny: A Guilty Pleasures Edition (Guilty Pleasures Editions Book 2) KINDLE
4.99
Bad Stepfather: A Guilty Pleasures Edition (Guilty Pleasures Editions Book 3) KINDLE
5.99
Killer Twins: A Guilty Pleasures Edition, #4 (Guilty Pleasures Editions) KINDLE
4.99
Frat House Secrets: A Guilty Pleasures Edition, #5 (Guilty Pleasures Editions) KINDLE
5.99
Twice: A Guilty Pleasures Edition, #6 (Guilty Pleasures Editions) KINDLE
5.99
I'll Find You: Guilty Pleasures Editions, #7 KINDLE
5.99
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Brutal Empires, Poisonous Relics, and Mountain Secrets: Free Mystery / Thriller eBooks

Run the River Road

Run the River Road FREE by Jenny Marie Bee: When a beloved mountain mechanic crashes his old Ford into a light pole, newly sworn Sheriff Bobby Holbert must uncover whether his father's death was suicide, accident, or sabotage before a vengeful deputy, a greedy ring of runners, and family secrets tear his home and his brother’s future apart.

This book is Free on June 10, 2026

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Sacrificial Child

Sacrificial Child FREE by Edmantha Hall: Linda Harrison escaped a childhood of abuse to become a respected oncologist, but a brutal murder, hidden cocaine, and a shocking family secret pull her into a deadly criminal empire led by the grandfather she never knew existed.

This book is Free on June 10, 2026

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Deadly Secrets, Vanishing Evidence, and Shifting Identities: Free Mystery / Thriller eBooks

Fable Wood Witches (Fable Wood Witches Cozy Mystery Book 1)

Fable Wood Witches (Fable Wood Witches Cozy Mystery Book 1) FREE by RaShelle Workman: Cinderella’s descendant was meant for happily ever after. Instead, artifact witch Gardenia Crescent gets magical murder, a cursed amulet, and a fairy tale bleeding into reality. With dragons rising and danger closing in, she must solve the mystery before Fable Wood becomes a deadly legend.

This book is Free on June 9, 2026

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Murder, Hijinks, and the Peridot Cufflinks (An Order Out of Chaos Mystery Book 2)

Murder, Hijinks, and the Peridot Cufflinks (An Order Out of Chaos Mystery Book 2) FREE by Lynn Rankin-Esquer: When organizer Izzy Bishop touches a pair of peridot cufflinks, she sees a chilling vision: a knife in someone's back. Days later, the murder becomes real. Now Izzy must sort through a mess of secrets, suspects, and deception while convincing the police she's not part of the problem.

This book is Free on June 9, 2026

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

The Long Way Home (A Samantha Church Mystery Book 6) FREE by Betta Ferrendelli: Reporter Samantha Church travels to the border town of El Paso, Texas, seeking her deceased friend's sister Jenny, fulfilling his final wish while uncovering dangerous secrets and developing unexpected feelings for her boss Wilson Cole Jr.

This book is Free on June 9, 2026

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Flawed Innocence (A Shana Doyle Mystery Book 3)

Flawed Innocence (A Shana Doyle Mystery Book 3) FREE by Karen Redman: Detective Shana Doyle’s Christmas Eve turns deadly when her mentor finds his wife—missing for seven years—murdered in his living room. Now he's the prime suspect. As Shana uncovers buried secrets, she realizes the killer will do anything to keep the past hidden—even kill again.

This book is Free on June 9, 2026

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The Hidden Face of God

The Hidden Face of God FREE by R.A. Williams: In 2038, a rogue AI wipes the internet of the Shroud of Turin and evidence of Christ’s resurrection. When cybersecurity expert David Bishop fights back, the attacks turn deadly—targeting him and the woman he loves. Soon, he discovers the assault on faith is just the opening move in a covert war for global domination.

This book is Free on June 9, 2026

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Roopere

Roopere FREE by Robert Sefer: A mysterious man performs an impossible trick on a talent show. The world is divided: fraud... master illusionist... or something more than human?

This book is Free on June 9, 2026

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Paranopia

Paranopia FREE by Mark B. Dawkins: Seven top performers arrive on a private island expecting luxury—and a shot at promotion. But when their host is attacked and disappears, they’re cut off with no way out. As paranoia grows and trust breaks down, the pressure turns deadly—and not every outcome is an accident.

This book is Free on June 9, 2026

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Where the Bad Men Sleep (The Matthews Files Book 1)

Where the Bad Men Sleep (The Matthews Files Book 1) FREE by Rowan Merrick: Former detective Ray Matthews loses hours, sometimes days. When the men he once exposed start turning up murdered across Houston, his own words carved into their skin, every clue points back to him. As the bodies pile up, Ray must face a terrifying question: what if the killer has been wearing his face all along?

This book is Free on June 9, 2026

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Boiling Rivalries, Secret Admirers, and Sinister Cults: Free Mystery / Thriller eBooks

Spellbound (A Spring Witch Story Book 3)

Spellbound (A Spring Witch Story Book 3) FREE by Kathryn James: From a Vermont kitchen to a castle in the Croatian hills, everything has led here. Three Grimoires under one roof. A Council that crossed the world for one bloodline. Eliza walks in with Simon at her side and Ginny at her back, and only one side walks out. The power was never in the pages. It was always in her.

This book is Free on June 8, 2026

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Moonlight Murder Mystery Club: A Bitter Taste (Book 1 of 5)

Moonlight Murder Mystery Club: A Bitter Taste (Book 1 of 5) FREE by Blake Rivers: When food scientist Sage Holloway opens a bakery in Crescent Harbor, Maine, she expects a fresh start — not a poisoning at the harvest festival. As the town’s secrets rise like sourdough, Sage’s trained palate may be the only thing that can unmask a killer hiding behind small-town charm.

This book is Free on June 8, 2026

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Torch Ginger (Paradise Crime Mysteries Book 2)

Torch Ginger (Paradise Crime Mysteries Book 2) FREE by Toby Neal: Lei, talented female multicultural detective, discovers a trend of missing "hippie" campers on Kauai...is it the work of one madman, or a sinister cult? Escape to paradise's dark side with this 2nd in a USA Bestseller series! (first book, Blood Orchids, also FREE!)

This book is Free on June 8, 2026

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Death Above the Line (Jill McLeod California Zephyr Series Book 4)

Death Above the Line (Jill McLeod California Zephyr Series Book 4) FREE by Janet Dawson: Jill met a director on the California Zephyr and he says she’s “perfect for the part” in his film noir. Of course she is—she’s playing a Zephyrette. A visit from an unpleasant studio executive brings hidden emotions boiling into view. And someone winds up dead.

This book is Free on June 8, 2026

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Break The Rules (Trespassing Book 11)

Break The Rules (Trespassing Book 11) FREE by P.W. Creighton: While Devin is busy competing, Logan and their friends are busy with their own project. An unexpected ally has given them a list of targets who have participated in the extortion parties. When Devin finds that one of the team has been receiving messages from a secret admirer, messages that have now turned threatening, they need to change their plan.

This book is Free on June 8, 2026

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EMP Quiet Embers

EMP Quiet Embers FREE by Robert J. Walker: The world ends in the cold. An EMP wipes out the grid, and Jack’s family escapes to a remote cabin surrounded by frozen forest. They have shelter. They have supplies. But they are about to learn that in a collapse, having what others need can get you killed.

This book is Free on June 8, 2026

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The Wicked Will Perish Thriller Series

SAS: Body Count (The Wicked Will Perish Book 1)

SAS: Body Count (The Wicked Will Perish Book 1) FREE by Anthony Vincent Bruno: From the author of 'A Navy SEAL, A Ranger and A Marine walk into a bar,' this Special Forces thriller deals with three former soldiers delivering brutal justice to career criminals who continually walk free from court. Would you condone torture to locate a missing loved one - and how ethical is it to take the law into your own hands?

This book is Free on June 7, 2026

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Other Books in the series

Hell Hath No Fury: The Wicked Will Perish ( 2 ) KINDLE
0.99
The Assassin: The Wicked Will Perish ( 3 ) KINDLE
0
No Prisoners: The Wicked Will Perish ( 4 ) KINDLE
0.99
SAS Bellator: The Wicked Will Perish ( 5 ) KINDLE
0.99
The Torture Parlour: The Wicked Will Perish ( 6 ) KINDLE
0.99
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Covert Operations, Secret Identities, and Dangerous Neighbors: Free Mystery / Thriller eBooks

The Ash Seal

The Ash Seal FREE by Christos Vlassis: A ghost from the past. A deadly conspiracy. Athens, 1996. When bodies surface bearing his old squad's secret torture mark, disgraced ex-cop Stefanos knows he's being hunted. Forced out of hiding, he must navigate a corrupt underworld before he becomes the next victim. A gripping, edge-of-your-seat crime thriller. Grab it for free for 4 days!

This book is Free on June 7, 2026

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The Man from Murmansk (Karl Adams Espionage Thriller Series Book 1)

The Man from Murmansk (Karl Adams Espionage Thriller Series Book 1) FREE by Trevor Scott: Karl Adams, a new CIA officer undercover in Murmansk, Russia, films a missile being loaded onto a Russian ship—possibly violating the INF Treaty. Sent to South America as tensions rise, Karl races to stop a crisis that could ignite a new Cold War. Son of legendary spies Jake Adams and Toni Contardo, he soon learns nobody is safe.

This book is Free on June 7, 2026

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The Last Family Standing

The Last Family Standing FREE by Mason Dean: When the grid goes dark, Navy medic Ashley Corben faces a world in freefall. Planes crash, cities burn, and silence fills the air. Stranded far from home, she must fight her way through chaos to reach her family before the truth behind the blackout destroys what’s left of America.

This book is Free on June 7, 2026

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