Mystery


The House of Closed Doors Mystery Series

The House of Closed Doors (The House of Closed Doors Book 1)

The House of Closed Doors (The House of Closed Doors Book 1) by Jane Steen: Illinois, 1870. To escape marrying her childʼs father, Nell Lillington gives birth at a Poor Farm. When the bodies of another unwed mother and baby are found, Nell asks questions. To protect her child she must leave the Farm, but home isn’t safe.

This book is Free on June 9, 2025

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Cal Harrison Thriller Series

The Girl on the Boat (Cal Harrison Thrillers Book 1)

The Girl on the Boat (Cal Harrison Thrillers Book 1) by JD Wood: When Sofie learns, after her father’s death, that he was the victim of an illegal drug trial, she is desperate to uncover the truth. But the whistleblowers she meets are murdered and she barely escapes with her life. She’s forced on the run. But someone else is looking for her. The man framed for the murders. Why? Because only Sofie can save him…

This book is Free on June 9, 2025

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Vigilante Justice and Gruesome Killings: Free Mystery eBooks

Just Cause (Hetta Coffey Series Book 14)

Just Cause (Hetta Coffey Series Book 14) by Jinx Schwartz: Hetta Coffey is a sassy Texan with a snazzy yacht, and she’s not afraid to use it. Join Hetta and her friends for another action-packed adventure filled with laughter and the pursuit of vigilante justice.

This book is Free on June 9, 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 is a scrappy lead columnist for the Chicago Journal, and normally writes about politics. But, rather than shying away from fights, she tends to pick them. Every once in a while, Deuce’s search for a good story brings her face to face with more trouble than she was really looking for. Enjoy three heart-stopping, hard-boiled mysteries!

This book is Free on June 9, 2025

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The Case of the Pinioned Bosoms (Inspector Cullot Mystery Series Book 2)

The Case of the Pinioned Bosoms (Inspector Cullot Mystery Series Book 2) by Alan Hardy: After staying barely two days at his hotel in the Swiss Alps, Inspector Cullot senses that murder is in the air. He knows there is only one man who can prevent there being a bloodbath… That man is Inspector Cullot himself. Once again, Cullot’s elite Murder Squad is in a race against time to halt a series of vicious, horrific, gruesome killings.

This book is Free on June 9, 2025

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Murder at the Car Wash (Jack Nolan Detective Mysteries Book 3)

Murder at the Car Wash (Jack Nolan Detective Mysteries Book 3) by R Shannon: There’s been a murder at the Big Splash Car Wash. Was Manuel Sanchez murdered for the insurance monies or for the big bag of cash in his trunk? Or was this just another drug-related crime in their town? Fingers are pointing at everyone — and then the mistress showed up. Can Jack & Fiona solve the crime in spite of what’s going on personally between them?

This book is Free on June 9, 2025

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Neural

Neural by Adam Coburn: What if your mind wasn’t your own? When Alex’s girlfriend returns from a mysterious facility changed, he uncovers a conspiracy rewiring Charleston through neural implants. As control spreads, Alex must fight for humanity to stay human in a world being overwritten. A gripping techno-thriller.

This book is Free on June 9, 2025

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Isolation Island: Into the Wild

Isolation Island: Into the Wild by Johnny Moscato: The production crew of the reality survival show Isolation Island gets more than they bargain for when they get stranded on the island along with the contestants… and whatever is killing them.

This book is Free on June 9, 2025

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Attack of the Food Zombies

Attack of the Food Zombies by Dennis Meredith: Rogue scientist Edwin Kane invents a chemical gustatene that renders any food addictive! Hunting him for his formula are drug dealers, food industrialists, and vegan terrorists. But if unleashed, gustatene would spawn hordes of ravenous food zombies! Can a relentless FBI agent, an eccentric FDA scientist, and a world-renowned chef avert disaster?

This book is Free on June 9, 2025

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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) by Anthony Vincent Bruno: If your child was abused and murdered by career criminals who walked free from court – would you seek revenge? The best method would be to seek the help of professionals – former Special Forces.

This book is Free on June 8, 2025

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Webs of Betrayal and Secret Skeletons: Free Mystery eBooks

Murder à la Mode (The Maggie Newberry Mystery Series Book 16)

Murder à la Mode (The Maggie Newberry Mystery Series Book 16) by Susan Kiernan-Lewis: When a contestant in a cooking contest ends up stabbed to death, the suspect is Maggie’s close friend. Maggie confronts the damning evidence to help her friend—without putting herself or Laurent in the hot seat as well.

This book is Free on June 8, 2025

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Raven's Legacy

Raven’s Legacy by Charlotte Stuart: Tlingit artifacts. A wounded bear. And a skeleton with a secret. In 1980, priceless Tlingit artifacts, including a massive Raven House screen, are stolen from a native Alaskan village. Jonah St. Clair, Koloshan’s only police officer, is thrust into a dangerous web of betrayal and greed as he hunts for the thieves.

This book is Free on June 8, 2025

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The Things We Said Today (Bennett Sisters Mysteries Book 4)

The Things We Said Today (Bennett Sisters Mysteries Book 4) by Lise McClendon: Wedding bells sound in the Scottish countryside as the Bennett sisters travel across the pond to celebrate a very special occasion… A week littered with an unexpected torrential rainstorm, a recalcitrant housekeeper, a reluctant bride, an anxious groom, and too many hangers-on to count. Among the mysteries– will the wedding take place at all!?

This book is Free on June 8, 2025

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Vengeance

Vengeance by Patrick Knight: David McGuire has lost everyone he cares about, and it’s tearing him apart. With the killers locked away, he creates an alter ego, The Reaper, which allows him to channel his thirst for vengeance until they are released. While The Reaper gains cult hero status, David has to fight to regain his soul in an ending you won’t see coming.

This book is Free on June 8, 2025

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Where the Grid Ends

Where the Grid Ends by Robert J. Walker: When an EMP wipes out power across the nation, the world descends into darkness. In a city teetering on the edge of collapse, Dr. Annabelle Wheeler struggles to survive in a psychiatric hospital overrun by its violent inmates. Far away, three young women—Hazel, Lucy, and Katherine—are trapped in a burning high-rise and captured by a ruthless gangster. 

This book is Free on June 8, 2025

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Midlife Potions Cozy Mystery Series

Witchy Awakening (Midlife Potions Book 1)

Witchy Awakening (Midlife Potions Book 1) by C.A. Phipps: The world turns upside down when her cat announces that Jess is a witch. Juggling spell books, supernatural secrets, and newfound powers is bad enough. Now, she must learn to embrace her inner witch and solve a murder before the killer strikes again—all while fending off nosy townsfolk, brewing potions, and trying not to set her cat on fire.

This book is Free on June 7, 2025

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Unknown Transmissions and Serial Killers: Free Mystery eBooks

The Karma Sequence (The Karma Kantata Book 1)

The Karma Sequence (The Karma Kantata Book 1) by A. O. Wagner: With intriguing characters and Faustian temptations, The Karma Kantata series blends suspense with societal, technological, and spiritual dimensions. Follow Dan from a physical and mental low to a state of balance—and a quest to understand the hidden dynamics of the world and its supernatural mechanics. Get all 3 books free today!

This book is Free on June 7, 2025

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Benevolent Evil (A Kendall O'Dell Mystery Book 6)

Benevolent Evil (A Kendall O’Dell Mystery Book 6) by Sylvia Nobel: Creepy!! A dark and horrific secret awaits feisty reporter Kendall O’Dell as she investigates the odd disappearance of several local women. Human trafficking perhaps? A chilling surprise awaits as strange happenings from the past emerge. The results catapult her on a dangerous journey with terrifying results that will leave you stunned.

This book is Free on June 7, 2025

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Shanghai Signal: The Cabal's Code for Global Chaos

Shanghai Signal: The Cabal’s Code for Global Chaos by Owen Parr: A gripping geopolitical thriller from award-winning author Owen Parr. A mysterious transmission. A global power shift. One operative standing between order and anarchy. What first appears to be a rogue cyber incident is actually the first move in a coordinated assault on the global financial and political system. Designed to sow chaos and fracture alliances, the operation aims to pit superpowers.

This book is Free on June 7, 2025

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You Did This (Claire Wolfe Thrillers Book 1)

You Did This (Claire Wolfe Thrillers Book 1) by Jamie Millen: “A consistently exciting debut” (Kirkus Reviews): Only Claire sees the sinister nature behind the sweet face of her sister, Tina. But Tina is brutally murdered at 14, and 12 years later, as more teenage girls turn up dead, investigators consider the possibility of a serial killer — leaving Claire, now a detective, at the top of their suspect list…

This book is Free on June 7, 2025

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To Die For

To Die For by Ray Ronan: “Truly scary.” – Glenn Meade “Ronan is a name to contend with.” – Marc Eliot In a future where organs are currency, Agent Lynn Clarke is hunted for her rare blood. Betrayed and on the run, she must take on a billion-dollar biotech empire. To Die For is a razor-sharp thriller. She doesn’t break—she bites back.

This book is Free on June 7, 2025

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Paws and Pastries Cozy Mystery Series

Deadly Danish (Paws and Pastries Mystery Series Book 1)

Deadly Danish (Paws and Pastries Mystery Series Book 1) by Maisy Marple: Maggie Harper’s dream of opening a bakery in her hometown of Maple Creek is finally coming true. With her loyal golden retriever Max by her side, she’s ready to delight the town with her delectable creations at The Sweet Pawtisserie. And then renowned food critic Harold Winters samples her signature danish—and promptly drops dead.

This book is Free on June 6, 2025

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