Thriller


Will Harper Thriller Series

Million Dollar Staircase (Will Harper Mystery Series Book 1)

Million Dollar Staircase (Will Harper Mystery Series Book 1) by David Crosby: A VERY GOOD FRIEND… WOULD HELP YOU HIDE A BODY. Ready for adventure in the tropics? Join Will Harper, ex-journalist and budding detective, as he tries to find who would frame his girlfriend for murder. He can’t trust the cops, mayor, or city manager. It feels like every official in town is in on it. But first he must help her get rid of the body!

This book is Free on July 16, 2025

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Mysterious Deaths and Unexpected Dangers: Free Mystery eBooks

Trudy, Madly, Deeply (A Working Stiffs Mystery Book 1)

Trudy, Madly, Deeply (A Working Stiffs Mystery Book 1) by Wendy Delaney: Human lie detector Charmaine Digby, the coroner’s new deputy, investigates the mysterious death of a family friend, much to the frustration of her cop buddy, who doesn’t want Char sniffing around his investigation. But she’d better keep her eyes for lies open or the next body to arrive at the morgue could be hers! – A fun-filled romantic mystery.

This book is Free on July 16, 2025

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Death by Diamond Lab (Island Whodunnit Book 1)

Death by Diamond Lab (Island Whodunnit Book 1) by Tess Marlowe: When the Caribbean retirement goes all kinds of wrong… Ex-SEAL Reg, his therapist wife Alex and their retired K-9 Bombay must dive into the island’s underworld to solve the case of a vanished boyfriend, and a diamond in Labrador’s turd.

This book is Free on July 16, 2025

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Sabbatical

Sabbatical by Charles J Thayer: New release, new adventure! Harrison’s quest to solve the murder of a young bank auditor is sidetracked when a teenage girl’s father disappears in Saint Lucia. His search for answers leads to his ex-wife, a retired CIA officer, a beautiful Italian woman, and unexpected danger as he pursues the motive for murder.

This book is Free on July 16, 2025

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Who's Killing All My Old Girlfriends (Old Guys Murder Mystery Book 1)

Who’s Killing All My Old Girlfriends (Old Guys Murder Mystery Book 1) by Jon Spoelstra: The cops think retired blogger, Charlie North, murdered three of his old girlfriends. They want him to fry. Can Charlie catch the killers before the cops–or the killers–catch him? There is a rousing finish at a lonely Oregon beach house. Justice prevails in strange ways. This is a fast read. Old guys like things fast.

This book is Free on July 16, 2025

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The Unravelling of Lizzie Mayhew

The Unravelling of Lizzie Mayhew by Matthew Shaw: Lizzie Mayhew receives a cryptic note from a dead man and is drawn into a buried conspiracy. As reality fractures and strange symbols reappear, she and Detective Marla Keen uncover the horrors of a forgotten experiment, and something that was never meant to wake up.

This book is Free on July 16, 2025

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Doppelganger

Doppelganger by Xavier Charles: His wife is dead. His daughter vanished. Haunted and obsessed, Gabriel spirals into darkness when a mysterious woman appears—bearing an uncanny resemblance to his lost wife. A gripping psychological thriller about love, betrayal, and the terrifying price of obsession.

This book is Free on July 16, 2025

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BUM RAP (Lassiter, Solomon & Lord Legal Thrillers Book 1)

BUM RAP (Lassiter, Solomon & Lord Legal Thrillers Book 1) by Paul Levine: When South Beach lawyer Steve Solomon is charged with murder, his law partner and lover Victoria Lord turns to Jake Lassiter for help. So buckle your chin strap because the law becomes a contact sport when the ex-linebacker turned defense lawyer hits the courtroom. “A delicious mix of thriller and comic crime novel.” – Booklist (starred review)

This book is Free on July 16, 2025

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A Jon Smith Novel Thriller Series

Bear Trap (A Jon Smith Novel Book 1)

Bear Trap (A Jon Smith Novel Book 1) by Bob Asher: Ruthless Russian Spetsnaz have invaded Alaska to snatch a KGB defector. Fortunately, CIA Paramilitary Officer Jon Smith, has just arrived in Homer for a well-deserved vacation. The Pentagon scrambles to assemble an ad hoc rescue team for a possible suicide mission. Can Smith’s ragtag group of Red Shirts save the defector before time runs out?

This book is Free on July 15, 2025

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Killer Clues and Unusual Connections: Free Mystery eBooks

An Education in Murder (A Homeschool Cozy Mystery Book 1)

An Education in Murder (A Homeschool Cozy Mystery Book 1) by Patty Joy: Rainbow Bailey’s quiet homeschooling life is shattered when she finds a body in a dumpster. With the police circling and her kids in tow, she must solve the mystery before she’s arrested for a crime she didn’t commit. Can she catch the real killer before they strike again?

This book is Free on July 15, 2025

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A Sudden Interest in Shakespeare (Seamus O'Neill Mysteries Book 2)

A Sudden Interest in Shakespeare (Seamus O’Neill Mysteries Book 2) by Paul Breen: Madison, Wisconsin, June 2000. A man disappears, and a woman finds a shoebox filled with cash, fake IDs, and a cryptic list. Two seemingly unrelated events with one unusual connection: William Shakespeare. Private detective Seamus O’Neill investigates the role Shakespeare’s works played in the disappearance. Can he find the missing man?

This book is Free on July 15, 2025

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Ice Blue (Lord and Lady Hetheridge Mystery Series Book 1)

Ice Blue (Lord and Lady Hetheridge Mystery Series Book 1) by Emma Jameson: He’s a West End blueblood. She’s an East End cop. When they met, it was murder. Wealthy lifelong bachelor Lord Hetheridge has it all till DS Kate Wakefield upends his world. The age, wealth, and class gap should be impossible. But as Hetheridge and Kate investigate a murder, he finds himself falling in love. First in a thrilling romantic series!

This book is Free on July 15, 2025

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Marc Kadella Mystery Series Box Set (Books 3-6)

Marc Kadella Mystery Series Box Set (Books 3-6) by Dennis Carstens: Q: HOW DOES A TELEVISION PRODUCER DESCRIBE THE KIDNAP AND MURDER OF A 2-YEAR-OLD CHILD? A: “I THINK WE HAVE A HIT ON OUR HANDS!” Hard-as-nails Minneapolis defense attorney Marc Kadella takes on the most challenging cases of his career in this exhilarating 4-novel legal thriller box set—page-turners all.

This book is Free on July 15, 2025

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Malevolent (Shaye Archer Series Book 1)

Malevolent (Shaye Archer Series Book 1) by 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 problem is, she killed him a month ago.

This book is Free on July 15, 2025

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Alexandria Rising (The Alexandria Rising Chronicles Book 1)

Alexandria Rising (The Alexandria Rising Chronicles Book 1) by Mark Wallace Maguire: Some inherit wealth. Others inherit secrets. Rand O’Neal got a map—and a death sentence. As he’s hunted across continents, Rand must confront buried truths—not just about history, but about his family. Fast-paced, witty, and gripping, Alexandria Rising is a thriller in the spirit of Dan Brown and Mick Herron.

This book is Free on July 15, 2025

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Action This Day (The New Britannia Trilogy Book 1)

Action This Day (The New Britannia Trilogy Book 1) by Ernesto H. Lee: In a fractured Britain on the brink, terror strikes—but not everything is as it seems. A seasoned detective hunts a truth buried beneath lies, false flags, and a nation tearing itself apart. ‘Action This Day’ is a razor-sharp thriller where democracy trembles and danger wears many faces.

This book is Free on July 15, 2025

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The Redstone Chronicles Thriller Series

Lost Souls (The Redstone Chronicles Book 1)

Lost Souls (The Redstone Chronicles Book 1) by J. T. Bishop: A former Ranger, medium Mason Redstone, is drawn into a chilling murder investigation when his old partner, Trick Monroe, seeks his help. As secrets resurface and Trick’s actions raise doubts, Mason and his sister must navigate a web of betrayal and ghostly clues. But as danger looms, they’ll learn that no secret is safe, not even with the dead.

This book is Free on July 14, 2025

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Hidden Truths and Haunting Legacies: Free Mystery eBooks

The Circle and The Crow

The Circle and The Crow by Holly Hertzel and Mike Prittie: When Danni Solo arrives at the Oak Hollow Edgar Allan Poe festival, she never expects she will become entangled in a real life murder mystery. Toss in a handsome, enigmatic sheriff, a town full of quirky characters and plenty of mysterious events. Danni finds herself needing to solve the mystery before the murderer comes for her.

This book is Free on July 14, 2025

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The Widow's Garden

The Widow’s Garden by Kathryn James: After her husband’s sudden death, Helena inherits Greystone Estate—an enigmatic manor hiding past heir Eleanor Lockwood’s secrets among its gardens. As passion sparks with friend Nathaniel Ashby, they unravel century-old mysteries, risking everything to confront hidden truths and haunting legacies.

This book is Free on July 14, 2025

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If You're Gone (Trespassing Book 8)

If You’re Gone (Trespassing Book 8) by P.W. Creighton: Recovered from their injuries, Logan and Devin decide to dedicate time to their growing relationship but find themselves in the right place at the right time to prevent a deadly car accident. When they learn the identities of the victims, they realize that they are closer than ever to uncovering the secrets that led to them on this path of tragedy.

This book is Free on July 14, 2025

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A Touch of Greed (A Nick Bracco Thriller Book 3)

A Touch of Greed (A Nick Bracco Thriller Book 3) by Gary Ponzo: Mexican assassin, Antonio Garza, known as, “The Butcher,” is trying to smuggle a dirty bomb into the US. FBI Agent Nick Bracco can’t trust law enforcement to help catch the assassin, so he turns to his Mafia-connected cousin, Tommy, to go underground and track down the Butcher. You’ll never guess the surprise ending.

This book is Free on July 14, 2025

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The Quiet Hideaway by William Stone: When the EMP hits, Captain Meghan Prescott remembers everything Pop taught her: how to navigate without tech, how to stay alive. Now those skills are all she has to get to her daughter before the city burns.

This book is Free on July 14, 2025

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Silver (Codex Ogmios Book 1)

Silver (Codex Ogmios Book 1) by Steven Savile: Secret Service Mandate 7266, known as the Ogmios Directive, sanctioned the formation of an elite team under the command of Sir Charles Wyndham. Their orders are to do everything necessary to preserve the sovereignty of the British Isles. If something went wrong they were on their own. If something went right no one ever said thank you. It was enough that when things went to Hell, they were there.

This book is Free on July 14, 2025

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A Tale of Tyranny and Heartbreak Thriller Series

The Long Road to Auschwitz (A Tale of Tyranny and Heartbreak Book 1)

The Long Road to Auschwitz (A Tale of Tyranny and Heartbreak Book 1) by Anthony Vincent Bruno: An Allied soldier storming the Normandy beaches on D-Day has one thought on his mind – his Jewish girlfriend languishing in Auschwitz. “Any German I see wearing SS black is a dead German in SS black.” This first book is free and the two sequels are 99c – only for the duration of this promotion.

This book is Free on July 13, 2025

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Missing Persons and Stolen Masterpieces: Free Mystery eBooks

Houses of Deception (The Madeline Dawkins Mystery Series Book 6)

Houses of Deception (The Madeline Dawkins Mystery Series Book 6) by Cynthia Hamilton: Madeline receives a text from Russell Barnett, the PI who trained her and Mike. He needs their help finding his nephew, the son of the man who lost his life while trying to save Madeline’s. A frantic early-morning phone call from an event client propels the detectives down a rabbit hole as a missing person case turns into a kidnapping for ransom.

This book is Free on July 13, 2025

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Night Terror (A Genetics Investigation Team Thriller Book 1)

Night Terror (A Genetics Investigation Team Thriller Book 1) by Russ Tilton: Isolated on a remote river. Hunted by weaponized animals. Will anyone make it out alive? A float turns tragic for a group of boaters when a secret military project escapes into the Ozark Mountains of West Arkansas. But the people behind the project may turn out to be an even bigger threat than those with four legs.

This book is Free on July 13, 2025

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Art Trap (John Kite Book 6)

Art Trap (John Kite Book 6) by Stuart Doughty: Climbs the outside of an apartment block, chases Russians with stolen art, meets woman claiming to be his (non-existent) wife, faces execution squad in Morocco, escapes IED bomb, discovers the secrets of Artemisia…a typical adventure for PI John Kite! “One of the best characters in thrillers these days… A detective who keeps on giving.”

This book is Free on July 13, 2025

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Remnants (Brandon Fisher FBI Series Book 6)

Remnants (Brandon Fisher FBI Series Book 6) by Carolyn Arnold: Multiple body parts are recovered from the Little Ogeechee River in Savannah, Georgia, and point to three separate victims. FBI Special Agent Brandon Fisher and his team with the Behavioral Analysis Unit investigate and find themselves on the trail of a ritualistic, blood-thirsty serial killer.

This book is Free on July 13, 2025

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The Armed Prepper

The Armed Prepper by Colton Lively: When an EMP attack wipes out the grid, Audrey Perry’s quiet life shatters. Desperate to save her injured nephew, she ventures into a city spiraling into chaos, only to bring danger back home. As violence erupts and neighbors turn ruthless, Audrey must defend her family and their farm at all costs. In a world without power, survival means making impossible choices and sacrifices.

This book is Free on July 13, 2025

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TV Sleuths and Dangerous Consequences: Free Mystery eBooks

Decease of Cake (Delaine Baker Cozy Mysteries Book 1)

Decease of Cake (Delaine Baker Cozy Mysteries Book 1) by Patti Larsen: She used to play a detective on TV–so why is she investigating a real murder? Delaine Baker’s wealthy MIL never meant for her birthday party to turn deadly or for Delaine to be the one to investigate. But when her new family is threatened, it’s no wonder Delaine’s decade as a famous cop helps her find the truth while putting her in danger!

This book is Free on July 12, 2025

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The Trouble with Paradise (The Madeline Dawkins Mystery Series Book 4)

The Trouble with Paradise (The Madeline Dawkins Mystery Series Book 4) by Cynthia Hamilton: Life in beautiful Santa Barbara County will never be the same for two grieving widows. One is serving a lengthy sentence for the bizarre tractor death of her much older, land-rich husband. The other is convinced her husband’s death wasn’t suicide. MDPI must find the truth about their husbands’ deaths to free the widows from the pain haunting them.

This book is Free on July 12, 2025

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Confessions of an Accidental Lawyer

Confessions of an Accidental Lawyer by Michael Stockham: Torn between career and family, with the lives of a prisoner, his wife, and his unborn child on the line, a young lawyer struggles to ensure that his client, his family, and his integrity all survive. Michael Stockham takes us on a page-turning journey in this novel inspired by actual events. He is a litigation attorney and award-winning author.

This book is Free on July 12, 2025

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The Red Concerto

The Red Concerto by S.F. Hayes: A ruthless media mogul uses a fake reality TV marriage to save his failing empire. A reclusive classical musician agrees to be his bride in exchange for production of her beloved concerto. But as dark secrets and real attraction collide, their staged romance sparks dangerous consequences that neither can control.

This book is Free on July 12, 2025

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The Far Side of Silence (The Far Side of Silence Book 1)

The Far Side of Silence (The Far Side of Silence Book 1) by Robert B. Marcus Jr: Listed at #13 on Goodreads Best Political Novels Perfect for James Bond fans. Inspired by the journey of ex-Navy Seal Alexander Gray, The Far Side of Silence is an outstanding political and spy thriller by Robert B Marcus Jr. and Kim Frank Richardson, with intrigue, suspense, and twists on every page. Please leave a review.

This book is Free on July 12, 2025

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Theodore Thriller Series

The Neighbour’s Cat (Theodore Book 1)

The Neighbour’s Cat (Theodore Book 1) by J.S Ellis: My owner is a serial killer. And I have been powerless to stop him because I… am a cat. Don’t get me wrong, Dean has never been cruel to me. He provides me with shelter, toys, and plenty of affection. But I have seen his dark side, his brutal treatment of women, and I can’t bear to watch anyone else get hurt.

This book is Free on July 11, 2025

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