Thriller

The Sarah Black Psychological Thriller Series

The Black Gala (Sarah Black Psychological Thriller Book 1)

The Black Gala (Sarah Black Psychological Thriller Book 1) FREE by Parker Vale: A storm seals Hawthorne Manor during a glittering gala. The host is found with his mouth sewn shut, terror spreading through the trapped elite. Forensic psychologist Sarah Black must find the killer moving through the halls—before the secret cabal watching from the shadows decides she’s next.

This book is Free on June 6, 2026

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Other Books in the series

The Black Game (Sarah Black Psychological Thriller Book 2) KINDLE
2.99
The Black Mask (Sarah Black Psychological Thriller Book 3) KINDLE
2.99
The Black Throne (Sarah Black Psychological Thriller Book 4) KINDLE
2.99
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Hidden Identities, Eccentric Clubs, and Vanishing Travelers: Free Mystery / Thriller eBooks

Dead Even (Whitewitch Island Paranormal Cozies Book 1)

Dead Even (Whitewitch Island Paranormal Cozies Book 1) FREE by Patti Larsen: If you love paranormal cozy mysteries, you'll die for this series! Retired Inquisitor Georgia Drake thought moving to a "normal" island would allow her to escape from murder. The problem is, murder isn't done with her! When a string of deaths overwhelms the local sheriff, Georgia assists in uncovering an old mystery-right in the path of the killer!

This book is Free on June 6, 2026

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Genies and Gibberish (Magical Cozy Mystery Book Club Book 5)

Genies and Gibberish (Magical Cozy Mystery Book Club Book 5) FREE 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 June 6, 2026

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The Antiquary Book Murders: The Hunt for Little Dorrit

The Antiquary Book Murders: The Hunt for Little Dorrit FREE by Arno B. Zimmer: It’s 1995 when German emigrant Heinz Kammler is murdered in his Connecticut bookstore. A few months later, the new owner finds a rare copy of a Charles Dickens novel hidden behind a bookshelf. The hunt for Kammler’s killer takes a bizarre turn when an enigmatic book thief traveling on a fake French passport becomes the prime suspect. Also free on June 7.

This book is Free on June 6, 2026

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Three Steps Away (Titus Ray Thrillers Book 7)

Three Steps Away (Titus Ray Thrillers Book 7) FREE by Luana Ehrlich: He was in the wrong place at the wrong time with the wrong person. But he made the right decision. A decision that took a life and saved a life - his.

This book is Free on June 6, 2026

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Search for the Lost (Crocodile Dreamings)

Search for the Lost (Crocodile Dreamings) FREE by Graham Wilson: A thrilling series of 5 books set in the landscape of Crocodile Dundee. She came to Australia as a visitor. She returns home but is charged with the murder of the man she travelled with. She finds out that others who went with this man have vanished, and now she is missing too. At last, their stories are discovered, and some return home.

This book is Free on June 6, 2026

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Three (A Path of Deception and Betrayal Book 1)

Three (A Path of Deception and Betrayal Book 1) FREE by K. J. McGillick: When a dead woman turns up wearing her face, art professor Emma Collier discovers the man she loved built his entire life to destroy hers.

This book is Free on June 6, 2026

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This Podcast Was Brought To You By: The Perpetrators

This Podcast Was Brought To You By: The Perpetrators FREE by Mihail Yonkov: A one-hour Arizona-based crime thriller told through the format of a live investigative podcast.

This book is Free on June 6, 2026

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Deadly Plots, Second Lives, and Relentless Pursuits: Free Mystery / Thriller eBooks

Hollywood Double Down (The Scream Queen Detective Agency Series)

Hollywood Double Down (The Scream Queen Detective Agency Series) FREE by Dave Sinclair: Hollywood is murder. Set against the smog-stained, cocaine-glazed boulevards of 1980s Los Angeles, Hollywood Double Down plunges headfirst into a ruthless world of ambition, obsession, and survival. Out here, fame is fleeting, and the dead don’t rest.

This book is Free on June 5, 2026

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A Grave Mistake

A Grave Mistake FREE by Kate Maclean: How far would you go for someone you loved? "I need you to help me hide a body." In this thrilling mystery, Mandy must track down a killer to clear her name and find her friend.

This book is Free on June 5, 2026

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The Fear of Winter (The Fear Of Book 1)

The Fear of Winter (The Fear Of Book 1) FREE by S.C. Sterling: After Megan Floyd mysteriously disappears from a small Colorado town, her father and two investigators delve into her enigmatic second life. As they uncover the dark secrets surrounding her vanishing, their own lives become entangled in the case. A gripping Crime Thriller for fans of Gillian Flynn, Mary Kubica, and Tana French.

This book is Free on June 5, 2026

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Marked for Death (The Inspector Sheehan Mysteries Book 8)

Marked for Death (The Inspector Sheehan Mysteries Book 8) FREE by Brian O'Hare: When Sir Theodore Hayes is murdered, there is no shortage of suspects. Inspector Sheehan learns that the knight’s funeral is to be the focus a deadly IRA plot to “ ...rock the British Isles” butm he is baffled. Even on the morning of the funeral, he has still learned nothing about the threat. With only hours left, and a brain in turmoil, can he still foil the terrorists?

This book is Free on June 5, 2026

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The Resident Murder (The Resident Thriller Series Book 1)

The Resident Murder (The Resident Thriller Series Book 1) FREE by Jessi Kroft: The Resident Murder is a multi-POV psychological thriller with medical elements. The protagonist is a true-crime enthusiast who is trying to juggle her medical training in a new city and a chaotic dating life when she meets a charming neurosurgeon who she begins to suspect of murder after the murder of her colleague...

This book is Free on June 5, 2026

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Academic Rivalries, Covert Missions, and Corrupt Cities: Free Mystery / Thriller eBooks

Feline Deadly (Cat's Whisker Café Mysteries Book 1)

Feline Deadly (Cat's Whisker Café Mysteries Book 1) FREE by Sarah May Bird: When a murderer strikes in her sleepy English village, who can Willow turn to for help? Her ghost cats, of course! Join Willow, Loki, and Luna at the cat café to solve a murder in time for afternoon tea.

This book is Free on June 4, 2026

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

The Winterstone Murder (The Woodhead & Becker Mysteries Book 1) FREE by Paul Austin Ardoin: A GRAD STUDENT IS FOUND DEAD INSIDE A 15TH-CENTURY CHAPEL, A SYRINGE IN HIS ARM AND A RARE HALLUCINOGEN IN HIS BLOODSTREAM. Disgraced investigator Bernadette Becker and abrasive toxicologist Dr. Kep Woodhead must untangle academic rivalries and buried secrets before the killer claims yet another victim from the university campus.

This book is Free on June 4, 2026

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Chicago Fix (Detective Tony Alfano Book 3)

Chicago Fix (Detective Tony Alfano Book 3) FREE by Gregory C. Randall: Each glove weighs eight ounces of leather and horsehair. Designed to protect, they’ve become instruments of death for desperate fighters on Chicago’s Depression-racked streets. In a city where good and bad are sides of a coin, Detective Tony Alfano must untangle a web of corrupt politicians and rigged fights before the final bell rings.

This book is Free on June 4, 2026

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D.E.A.D. Till I Die (GlobaTech Series Book 1)

D.E.A.D. Till I Die (GlobaTech Series Book 1) FREE by James P. Sumner: BETRAYED BY HIS OWN GOVERNMENT AND LEFT FOR DEAD, JERICHO STONE IS THRUST INTO THE CENTER OF GLOBATECH INDUSTRIES’ DANGEROUS MISSION. After a devastating terrorist attack ignites global panic, war looms and loyalties fracture. Stone faces one brutal question: pursue revenge or fight for redemption before the world slips further into chaos.

This book is Free on June 4, 2026

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Will Harper Florida Thrillers Box Set (Volumes 1-3)

Will Harper Florida Thrillers Box Set (Volumes 1-3) FREE by David Crosby: Dive into the sun-soaked, treacherous waters of Florida with Will Harper, a semi-retired investigative journalist turned private detective, in this riveting box set that mixes thrilling intrigue with a taste of romance as Will navigates Florida’s tropical waterways on his trawler yacht; he's also charting a course through a sea of greed and murder.

This book is Free on June 4, 2026

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The Fix Is In (Frank 'FIX' Xavier Thrillers)

The Fix Is In (Frank 'FIX' Xavier Thrillers) FREE by DG Elliott: A covert mission goes wrong. A US senator vanishes. And the truth is buried before it can surface. US Navy Special Forces operator Frank Xavier soon learns the threat he faces on the streets of Kabul is nothing compared to his own government. THE FIX IS IN launches a thrilling new series where intel often fails—and the consequences are deadly.

This book is Free on June 4, 2026

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The Last Ship

The Last Ship FREE by James Hunt: Thomas Seville has outrun storms and survived equipment failures that should have killed him. The sea, he understood. This is different. The day the EMP hit, his family was ashore, and the coastline started burning. He's not looking for safety. He's looking for his family, and God help whoever stands between them.

This book is Free on June 4, 2026

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Deadly Favors, Hidden Quilts, and Chilling Estates: Free Mystery / Thriller eBooks

What The Valley Keeps (The Stonefall Mysteries Book 1)

What The Valley Keeps (The Stonefall Mysteries Book 1) FREE by Elizabeth Fairfield: What do you do when the estate you've inherited is keeping a murder quiet? A widow, a crumbling Edwardian manor, a woman at the door with a lantern — and documents buried in the paddock that someone needs to stay buried. Mira Ashworth notices things. Now that skill is hers to use. Set in the wild moorlands of the North Pennines, England, 1901.

This book is Free on June 3, 2026

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A Winter Witch Story (Spellbound Book 2)

A Winter Witch Story (Spellbound Book 2) FREE by Kathryn James: Winter has settled over Ciderbrooke—and the storm is coming. One cracked protection is all it takes for the Council to draw closer and the town to fall under threat. Eliza and her coven feel it instantly. Some things have already begun and they won’t wait.

This book is Free on June 3, 2026

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Love, Die, Neighbor (Kiki Lowenstein Mystery Series)

Love, Die, Neighbor (Kiki Lowenstein Mystery Series) FREE by Joanna Campbell Slan: No good deed goes unpunished... and a good deed might land Kiki Lowenstein in jail! This young mom is eager to make friends in her new home. Instead, she finds herself accused of murder. And yeah, her husband is definitely not happy with her!

This book is Free on June 3, 2026

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The Christmas Quilt (Four Sisters Ranch Book 1)

The Christmas Quilt (Four Sisters Ranch Book 1) FREE by Teresa Slack: A forgotten quilt. A buried secret. A Christmas of mystery and romance. When Ivy Greer finds her late grandmother’s quilt hidden in a forgotten trunk just before Christmas, she never expects it to spark a dangerous search for truth—or a chance at love. Someone wants the past buried, but Ivy won’t stop until she’s unraveled the quilt’s secrets.

This book is Free on June 3, 2026

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The Margin of Death (The Margin of Death Series Book 1)

The Margin of Death (The Margin of Death Series Book 1) FREE by G.W. Parke: When a Wall Street murder uncovers a kill list spanning thirty-six deaths over sixteen years, NYPD Detective Sarah Reeves finds her own name at the bottom — status pending. A conspiracy connecting Manhattan trading floors to a senator's presidential campaign, and a ninth-century document that has been tracking corruption for eleven centuries.

This book is Free on June 3, 2026

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The White Room (Knight Time Houses)

The White Room (Knight Time Houses) FREE by Holly Knightley: A near-death experience leads Harrison Vogel to The White Room, where he can commune with the other side. In a search for answers, he finds himself at Lass Castle. There are skeletons in the closets at Lass Castle, but they don’t want out; they want Harrison to stay forever. Will he? Triggers: Child abuse. Rape.

This book is Free on June 3, 2026

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Construction Schemes, Undercover Scoops, and Viking Curses: Free Mystery / Thriller eBooks

Cursed Christmas (Mia Watson Cruise Ship Mysteries Book 6)

Cursed Christmas (Mia Watson Cruise Ship Mysteries Book 6) FREE by Gwen Taylor & Jen Booker: It’s Christmastime on the Bella, and Mia’s got her hands full. If salvaging the holiday was enough trouble, now a passenger has unleashed a viking curse promising three deaths before runs its course! Now Christmas isn’t all that needs saving aboard the Bella—it’s a boatload of passengers! And it looks like Mia might just be the next victim!

This book is Free on June 2, 2026

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A Disappearance at the Bonne Nuit Hotel (The Deadly Exclusives Trilogy Book 1)

A Disappearance at the Bonne Nuit Hotel (The Deadly Exclusives Trilogy Book 1) FREE by Dominique Daoust: Newbie reporter Rita Larose hears about a mystery occurring at the snazzy Bonne Nuit Hotel in Montreal in 1930. While going undercover as a maid to get the scoop, Rita will soon discover an unusual gift of her own to contend with. Will she be able to juggle it all while not blowing her cover and jeopardizing her career-making article?

This book is Free on June 2, 2026

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Repo Girl Chaos Collection Books 1-3 & Holiday Recipes (Repo Girl Series)

Repo Girl Chaos Collection Books 1-3 & Holiday Recipes (Repo Girl Series) FREE by Jane Fenton: Dead bodies, repo chaos, and slow-burn romance collide in this laugh-out-loud mystery bundle. Join rookie repo agent Andi Sloan as she dodges killers, dates a rockstar, survives holiday disasters, and stumbles over corpses—plus bonus holiday recipes inspired by the series. Perfect for Stephanie Plum fans. Book 1 has more than 3K positive reviews!

This book is Free on June 2, 2026

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On the Border (A Samantha Church Mystery Book 5)

On the Border (A Samantha Church Mystery Book 5) FREE by Betta Ferrendelli: Newspaper reporter Samantha Church and a cub reporter investigate a construction company's involvement in murder, money laundering, and harboring undocumented workers, facing villains who will resort to any means necessary to protect their scheme.

This book is Free on June 2, 2026

Kindle
Out For Blood

Out For Blood FREE by Jolene Grace: Boston Detective Temple Stone is running out of time. After surviving three shots to the chest, Temple must catch a vicious serial killer before another body turns up in Boston. As panic spreads through the city and the death toll rises, Temple races to stop the murders before more innocent blood is spilled. Perfect for fans of dark, gritty thrillers packed with shocking twists and suspense.

This book is Free on June 2, 2026

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Red White and Blue Land: Commercial Friendship

Red White and Blue Land: Commercial Friendship FREE by Richard Warburg: The US salivates over lithium, oil and diamonds in Africa. Relationships are tested by the pressure of business, national loyalty and the tension between personal values and commercial gain. Patriotism affects business alliances, and cultural dynamics come together in a vast continent that must overcome prejudice to survive. Free to June 5.

This book is Free on June 2, 2026

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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) FREE by Em Thompson: Rookie cop, Heather Prendergast, dreams of becoming the next Sherlock Holmes. Sadly, her abilities don’t match her ambitions. Convinced that two unexplained deaths on her London patch, she mounts a hamfisted unofficial investigation. Skullduggery and chaos abound. Will she crack the case, or fall victim to a sinister serial killer?

This book is Free on June 2, 2026

Kindle
The Signal (Archon Protocol Book 1)

The Signal (Archon Protocol Book 1) FREE by Dominic Jackson: They come at night. They have always come at night. When a retired federal media specialist captures an impossible symbol in the Utah desert, he uncovers a hidden system buried beneath technology, consciousness, and ancient history. Archon Protocol is a metaphysical thriller about forbidden signals and hidden control systems.

This book is Free on June 2, 2026

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Addictive Standalone Thriller Series

Someone Is Watching Me (Addictive Standalone Thrillers Book 1)

Someone Is Watching Me (Addictive Standalone Thrillers Book 1) FREE by Kosh Ram: A young man becomes a tenure teacher on the day he turns twenty-six years old. He celebrates with his coworkers and feels like he is on top of the world. Suddenly, lots of strange things happen and he realizes that someone is stalking him! He has no idea who that person is, but once he asks his peers for help, he comes closer to finding out who his nemesis is.

This book is Free on June 1, 2026

Kindle

Other Books in the series

Who Am I?: An Addictive Fast Paced Novella (Addictive Standalone Thrillers Book 2) KINDLE
0.99
The Invisible Friend: A Completely Addictive Fast-Paced Thriller (Addictive Standalone Thrillers Book 3) KINDLE
0.99
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Deadly Donations, Relentless Hunts, and Fractured Loyalties: Free Mystery / Thriller eBooks

Operation Tropical Affair (Poppy McVie Mysteries Book 1)

Operation Tropical Affair (Poppy McVie Mysteries Book 1) FREE by Kimberli A. Bindschatel: Poppy has a plan… it may get her killed. Is it worth the risk? As a Federal Wildlife Agent, Poppy’s passionate about her job. She's got her badge, and now she wants to earn their respect. But all they see is 5’ 2” with perky assets. They’ve underestimated her. That’s her best weapon. There’s just one problem. Her annoyingly attractive partner, a former Navy SEAL, and Poppy don’t see eye to eye.

This book is Free on June 1, 2026

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Burden of Poof (Bonnie & Clyde Mysteries Book 1)

Burden of Poof (Bonnie & Clyde Mysteries Book 1) FREE by Julie Anne Lindsey: When a body turns up in a pile of donations meant for Bonnie's shop, the town’s handsome new detective pins her to the top of his suspect list. Can Bonnie & her kitty companion, Clyde, clear her name and find the true killer before she becomes the next victim?

This book is Free on June 1, 2026

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The Logic of Madness (The Gripping Inspector Pantaleo Myesteries Book 1)

The Logic of Madness (The Gripping Inspector Pantaleo Myesteries Book 1) FREE by Claudio Calabrese: In freezing Bari, a woman is found mutilated—her fingers severed, only the wedding ring finger spared. The killer leaves a logic born of pure madness. Enter Inspector Pantaleo: six-foot-three, cynic, fueled by amaretto tobacco. As bodies pile up, he uncovers a labyrinth of bloodshed leading to a forty-year-old secret buried in Genova. FREE today.

This book is Free on June 1, 2026

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If I Lose Myself (Trespassing Book 10)

If I Lose Myself (Trespassing Book 10) FREE by P.W. Creighton: Logan is aware of the statistics—the first forty-eight hours after a kidnapping are critical for finding the missing person. After a night of celebrating his birthday, two of his friends are missing, and another is hospitalized in critical condition. Logan and his friends realize that they may be the only ones who can bring them home.

This book is Free on June 1, 2026

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Formula Escapes, Covert Pursuits, and Family Intrigue: Free Mystery / Thriller eBooks

Uncanny Harvest (Moon Garden Mysteries Book 2)

Uncanny Harvest (Moon Garden Mysteries Book 2) FREE by J. R. Pearse Nelson: The Moon Garden Mysteries paranormal cozy mystery series - a magical blend of paranormal women’s fiction and cozy mystery for those who believe forty marks a new beginning, cats can talk (and you’d better listen), and when you’re guarding a fae portal, chocolate is a girl’s best friend.

This book is Free on May 31, 2026

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The Trouble with Speed (A Hale Mary Mystery)

The Trouble with Speed (A Hale Mary Mystery) FREE by Katrina Kyle: Managing a Formula One driver in Monaco is like herding cats at 200 mph. But when a French socialite vanishes and Hale's client takes the blame, she has one Grand Prix weekend to find the missing woman, clear his name, and keep her career from crashing. In Monte Carlo, someone's willing to kill to make sure she fails.

This book is Free on May 31, 2026

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The Arx

The Arx FREE by Jay Allan Storey: A year ago, after a mental breakdown, ex-homicide detective Frank Langer was placed on medical leave from the squad he was once hand-picked to lead. Now he spends his days drinking and chain-smoking, and his nights waking up screaming from a horrific recurring nightmare. Then one day, by chance, he stumbles on a conspiracy to kidnap children.

This book is Free on May 31, 2026

Kindle
Kaleidoscope of Secrets

Kaleidoscope of Secrets FREE by Sandy Clements: Two powerful women. One deadly secret. One has earned her influence—one will kill to keep hers. Who will survive? Readers are raving about Kaleidoscope of Secrets! Dive into this gripping family thriller today.

This book is Free on May 31, 2026

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Shadow Operative (Adam Knight Thrillers Book 1)

Shadow Operative (Adam Knight Thrillers Book 1) FREE by Sam Cogley: A murdered scientist. A killer returned from the dead. A covert operative caught in a deadly conspiracy. Adam Knight races across the globe to stop a secret weapons program before it changes the world forever. For fans of Tom Clancy, Lee Child, Robert Ludlum, and Vince Flynn.

This book is Free on May 31, 2026

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