Thriller

The Devil's Cove Trilogy Thriller Series

The Cove (The Devil's Cove Trilogy Book 1)

The Cove (The Devil's Cove Trilogy Book 1) FREE by Malcolm Richards: Seven years after her son, Cal, disappeared beneath the waves, Carrie learns that a teenager has washed ashore in Devil’s Cove — and it’s Cal. Now, Carrie must discover the truth behind his strange absence in time to save another missing child. A chilling work of suspense set on the rugged coast of Cornwall.

This book is Free on March 12, 2026

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Stolen Sculptures and Mysterious Boating Accidents: Free Mystery eBooks

No Gifts to Bring

No Gifts to Bring FREE by Kathleen McKee: SNOWED IN. SET UP. AND RUNNING OUT OF TIME... Desperate to escape another empty Christmas, Susan Belcroft plans a cozy ski resort stay. But a storm and two sudden deaths turn her holiday into a chilling whodunit. With time running out, Susan must uncover the truth or become the next victim herself.

This book is Free on March 12, 2026

Dyeing Season (Dewberry Farm Mysteries Book 5)

Dyeing Season (Dewberry Farm Mysteries Book 5) FREE by Karen MacInerney: The eggs aren't the only things dyeing in Buttercup... While investigating a young woman's death, Lucy discovers that blood isn't always thicker than water. When a second body turns up, drowned in a vat of dye, the whole town is walking on eggshells. Will Lucy find the killer in time?

This book is Free on March 12, 2026

Valued for Murder (A Dotty Sayers Antique Mystery Book 2)

Valued for Murder (A Dotty Sayers Antique Mystery Book 2) FREE by Victoria Tait: Shy amateur sleuth Dotty Sayers joins an antique TV show at a historic Cotswold hotel, only for a celebrity expert to die on the stairs. Was it an accident or murder? When she returns from viewing a priceless sculpture and finds her beloved cat missing, she realises the answers lie behind the cameras and begins tracing clues the police ignored.

This book is Free on March 12, 2026

Grave Secret  (The Sidney Becker Mysteries Book 6)

Grave Secret (The Sidney Becker Mysteries Book 6) FREE by Linda Berry: Amazon Bestseller! A stolen corpse. A murdered teacher. A secret buried in a coffin. Chief Sidney Becker’s investigation leads to vicious criminals hiding deep in the backwoods. With a terrified orphan boy hunting the killers, Becker must act fast before revenge turns deadly.

This book is Free on March 12, 2026

Miles from Safety

Miles from Safety FREE by Robert J. Walker: An EMP kills the power. A husband fights through a burning Vegas to save his wife. Two boys navigate pitch-black tunnels to survive. And across the desert, a brother prepares for a siege none of them may live through.

This book is Free on March 12, 2026

Summer's Blood

Summer's Blood FREE by Adele Royce: Wealthy LA ad executive Craig Keller grapples with guilt over his brother DJ's mysterious yacht accident. When past ghosts resurface at his father's funeral, Craig delves into Las Vegas' dark underbelly, seeking answers. Organized crime and shocking secrets collide, thrusting Craig into a life-or-death fight.

This book is Free on March 12, 2026

Girl Offline

Girl Offline FREE by Raviv Itzhaky: When he sets out to uncover what happened to a successful camgirl who disappears on screen, hacker Matthew Anderson has no idea how deep the rabbit hole really goes.

This book is Free on March 12, 2026

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Mind Readers and Global Threats: Free Mystery eBooks

Mind Reader (Grizzly Falls Mystery Book 1)

Mind Reader (Grizzly Falls Mystery Book 1) FREE by Hope Davis: Ryan King lost his best friend and his faith while overseas. Ready to put his life back together, he travels home to Grizzly Falls to take a position as a Sheriff’s Deputy and meets Hannah Scott on the flight. Ryan is drawn to Hannah’s positive outlook and strong faith, so striking up a friendship that could lead to more was easy.

This book is Free on March 11, 2026

Deadly Declarations (The Indie Retirement Mystery Series Book 1)

Deadly Declarations (The Indie Retirement Mystery Series Book 1) FREE by Landis Wade: Three retirees at the Independence Retirement Community investigate a 96-year-old man’s mysterious death connected to the controversial and long-vanished First American Declaration of Independence. If successful, their actions could change US history. That is, if they don’t die trying.

This book is Free on March 11, 2026

Echoes (Echoes Trilogy Book 1)

Echoes (Echoes Trilogy Book 1) FREE by A.M. Caplan: Hannah thinks she’s losing her mind. After killing a man with her car, he vanishes without a trace. To prove she isn’t insane, she searches until she finds him—alive. Taken under his wing, she learns he’s part of a race of immortals. But so is his sister, who murders every person who learns his secret. Can Hannah stop a psychopath who cannot die?

This book is Free on March 11, 2026

Fractal (The McLeod and Masters Thriller Series Book 2)

Fractal (The McLeod and Masters Thriller Series Book 2) FREE by Cheryl P. Fallin: A deadly tropical outbreak. A second chance at love. A conspiracy that won’t stay buried. In Costa Rica, Dr. Abby McLeod uncovers a mysterious illness tied to something far more sinister. When her ex-fiancé—now hunted by the FBI—reappears, they must outrun killers and expose the truth before more lives are lost.

This book is Free on March 11, 2026

The Last Survivors

The Last Survivors FREE by Robert J Walker: They were locked up for a reason. The EMP didn't care. Now George Cannon, the man who put half of them there, is the only thing between his family and the most dangerous prison break in American history.

This book is Free on March 11, 2026

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Logan McKenna Thriller Series

Shattered (Logan McKenna Mystery Series Book 1)

Shattered (Logan McKenna Mystery Series Book 1) FREE by Valerie Davisson: In the first of Davisson’s best-selling, 11-book series, Logan loses her husband, her illusions, and probably her job. But when a young glassblower at the local arts festival is murdered, and a good friend is accused, Logan drops everything to come to his defense. The deeper she digs, the more secrets she finds, making her the killer’s next target.

This book is Free on March 10, 2026

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Anonymous Threats and Diamond Murders: Free Mystery eBooks

Murder At The Bridal Bloom (An Unputdownable Lila Jennings Cozy Mystery Book 3)

Murder At The Bridal Bloom (An Unputdownable Lila Jennings Cozy Mystery Book 3) FREE by Diane Scotland: The Wedding in Blooms Festival is Maplewood’s biggest celebration yet. Until a celebrity wedding planner drops dead beside the cake table. Soon, Lila and her friends find themselves following a trail of stolen deliveries, anonymous threats, and suspicious accidents. Because, when vows are whispered and secrets bloom, someone always ends up buried.

This book is Free on March 10, 2026

A Beguiling Spell (The Bewitched Cozy Mysteries Book 2)

A Beguiling Spell (The Bewitched Cozy Mysteries Book 2) FREE by Constance Barker: The gang is called in when an evil spirit infiltrates a chocolate factory and decides to take bite out of Walter. Click's evil sister is introduced...is she the one that had Click institutionalized? Can Click remember more of her past or did someone have a hand in erasing her memory?

This book is Free on March 10, 2026

Spellbound (Spellbound Book 1)

Spellbound (Spellbound Book 1) FREE by Kathryn James: One botched spell turns Ciderbrooke upside down: every man falls for Eliza—except the one she wants. Between laugh-out-loud chaos, stubborn romance, and a very dark foe, this witch must untangle magic before it ruins everything—including her heart.

This book is Free on March 10, 2026

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

The Long Way Home (A Samantha Church Mystery Book 6) FREE by Betta Ferrendelli: Haunted by the death of her co-worker and good friend, reporter Samantha Church goes to the border town of El Paso, Texas, to find the younger sister he never got the chance to know, fulfilling his final wish while uncovering dangerous secrets and developing unexpected feelings for her boss Wilson Cole Jr.

This book is Free on March 10, 2026

The Hollywood Diamond Murders (The Chuck Donnegan Mystery Series Book 2)

The Hollywood Diamond Murders (The Chuck Donnegan Mystery Series Book 2) FREE by Ken Sutherland: “On a hot day in 1971, Jesus walked into Tommy Aku’s Little Grass Shack and ordered a Zombie. Forty-five minutes later, he died on the street in front of me.” When retired LAPD Detective Chuck Donnegan witnesses the murder of a man he arrested years ago, he tracks the crime from LA's barrios to Hollywood's hippest hangouts to find the killer.

This book is Free on March 10, 2026

On the Hook (Smith and Westen Mysteries Book 1)

On the Hook (Smith and Westen Mysteries Book 1) FREE by Cindy Davis: Recipe for inferno: mix, snarky tuba player, Susie-homemaker wannabe, and egotistical insurance adjustor. When sparks appear, add a missing Picasso worth $100M. Shake well. Wait for flames as the unlikely allies trip over themselves to earn their 10%.

This book is Free on March 10, 2026

Generations

Generations FREE by Noam Josephides: GENERATIONS is a thought-provoking #1 SFF Bestseller mystery thriller set on a multi-generational ship. WINNER: 2024-5 Reviewers Choice Award • WINNER: 2024 BookFest Award • WINNER: Global Book Awards "An epic science fiction noir!" - Publisher Weekly’s BookLife ”Extraordinary!” - Kirkus Reviews.

This book is Free on March 10, 2026

The Suitcase: A Rex Haining Mystery

The Suitcase: A Rex Haining Mystery FREE by Jason Fischer: A British doctor’s son is kidnapped from a Chicago hotel. To save him, the father must follow the orders of a mysterious woman and retrieve a dangerous suitcase—while a private investigator discovers the kidnapping is only a diversion for a far darker plan.

This book is Free on March 10, 2026

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 March 10, 2026

Encrypted Patriot: The Ghosts That Protect America

Encrypted Patriot: The Ghosts That Protect America FREE by Dennis Currie: What if everything you believe about American freedom is a lie? Encrypted Patriot takes you into the shadow world of invisible warriors—elite operatives who sacrifice everything, living and dying without recognition to protect the freedoms we take for granted. In a realm of betrayal and deadly missions, heroes are forged, legends die unknown.

This book is Free on March 10, 2026

The Show Must Go On (Robert Dart Thrillers Book 1)

The Show Must Go On (Robert Dart Thrillers Book 1) FREE by Jonathon Kelley: When an attack breaches a decommissioned Soviet nuclear facility, ICSS agent Robert Dart is sent to investigate. But what begins as a search for stolen uranium quickly spirals into a deadly game of deception, where nothing, and no one, can be trusted.

This book is Free on March 10, 2026

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Hidden Obsessions and Chilling Links: Free Mystery eBooks

Stamped Out (A Mail Carrier Cozy Mystery Book 1)

Stamped Out (A Mail Carrier Cozy Mystery Book 1) FREE by Tonya Kappes: Small-town Southern cozy mystery with a mail carrier sleuth. In Sugar Creek Gap, everyone knows everyone, and beloved mail carrier Bernadette Davis knows their secrets. Giving her a front-row seat to motives, grudges, and hidden obsessions, Bernadette must follow the clues hiding in plain sight to clear her friend’s name.

This book is Free on March 9, 2026

The Apartment (The Neil Series Book 1)

The Apartment (The Neil Series Book 1) FREE by Kosh Ram: A young man named Neil moves into a new apartment and expects his new living situation to go smoothly. Unfortunately, he faces issues that are quite unexpected. Are they happening by chance or is someone causing these annoying things to happen? He asks his neighbors and the supers to help him solve these problems. Will they help him or will Neil end up moving back to his parent’s house?

This book is Free on March 9, 2026

Death Rides the Zephyr (Jill McLeod California Zephyr Series Book 1)

Death Rides the Zephyr (Jill McLeod California Zephyr Series Book 1) FREE by Janet Dawson: Zephyrette Jill McLeod rides the California Zephyr on its runs between the Bay Area and Chicago. As a crew member, she spends her long working days seeing to the passengers’ needs, answering questions, taking dinner reservations, or providing first aid. But she wasn’t counting on a missing passenger—and a body in a sleeper car.

This book is Free on March 9, 2026

Live For The Night (Trespassing Book 13)

Live For The Night (Trespassing Book 13) FREE by P.W. Creighton: It's the end of Junior year, and most of Nauset High is excited about the upcoming prom. As usual, Logan and his friends have much different priorities than what dress to wear, or where to go afterwards. When one friend is murdered, and another goes missing, the police immediately assume that the missing friend is responsible. Logan is concerned that there may be two friends dead.

This book is Free on March 9, 2026

Ghost State (The Luke Ryder Thrillers Book 1)

Ghost State (The Luke Ryder Thrillers Book 1) FREE by Alex Hawke: He saved a girl marked for erasure. Now the man who trained him wants them both dead. As a secret programme prepares to wipe entire populations from existence, ex black-ops operative Luke Ryder fights a war he was never meant to survive.

This book is Free on March 9, 2026

El Camino Real (Paragon Book 1)

El Camino Real (Paragon Book 1) FREE by Doug Kent: For over 300 years, the conquistadors used El Camino Real to bring their plundered Inca gold across the Isthmus of Panama, October 1641, seven hundred kilos of gold vanished from the trail without a trace. In a captivating blend of history and suspense, a widower's discovery sparks a modern-day treasure hunt, and they aren't the only ones looking.

This book is Free on March 9, 2026

Dead Account: A Sloane Merritt Missing Persons Mystery Book 1 (Sloane Merritt Mystery Series)

Dead Account: A Sloane Merritt Missing Persons Mystery Book 1 (Sloane Merritt Mystery Series) FREE by M.K. Quinn: A staged disappearance. A real abduction. And the girl she never stopped searching for. When influencer Marley Quinn vanishes after a fake publicity stunt goes wrong, Atlanta PI Sloane Merritt uncovers a chilling link to her own past—and the childhood friend who disappeared twenty years ago.

This book is Free on March 9, 2026

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A Standalone Bloodline Novel Thriller Series

The Spartan Who Defied Rome (A Standalone Bloodline Novel Book 1)

The Spartan Who Defied Rome (A Standalone Bloodline Novel Book 1) FREE by Anthony Vincent Bruno: Seven different eras of history from a warrior family's bloodline. From a 33AD Roman occupied Jerusalem all the way through to a CIA Cold War thriller set in 1991 Rome, seven novels of mystery, action and adventure. Five of the novels are FREE and two are on a Kindle Promotion for a brief moment.

This book is Free on March 8, 2026

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Dead DEA Agents and Courtroom Wars: Free Mystery eBooks

Ferrets, Forgery, and Flapjacks (The Tenacious Librarian Book 6)

Ferrets, Forgery, and Flapjacks (The Tenacious Librarian Book 6) FREE by M K Scott: Join librarian Tenny Taylor on her cozy mystery adventure in "Ferrets, Forgery, and Flapjacks" - you won't be able to put it down! If you love a good mystery with a side of humor, then "Ferrets, Forgery, and Flapjacks" is the book for you. Don't miss out on the chance to immerse yourself in the small town world of Emerson - grab your copy today!

This book is Free on March 8, 2026

Mic Drop

Mic Drop FREE by Jwyan C. Johnson: All rise in the courtroom for a cozy whodunit murder mystery, a case the media calls The Mic Drop. Controversial rap star Flex switches lawyers for courtroom war king Miles Turner and The Jury Whisperer Tana Lynn to beat this all-or-nothing charge. With an extra bet and a unique plea deal offer, can an equally matched prosecutor rhyme “guilty” with “he’ll be?”

This book is Free on March 8, 2026

March Is Madness (Peter Cobb Adventures Book 3)

March Is Madness (Peter Cobb Adventures Book 3) FREE by Shane Rawley: When ex-baseball player Peter Cobb detours en route to spring training, he is mistaken for a dead DEA agent, plunging him into a smuggling war, corrupt locals, and personal battles—including his dying mother and haunted past—in this action-packed adventure.

This book is Free on March 8, 2026

Miles from Mercy

Miles from Mercy FREE by Carter Woods: They sent the kids to the woods to fix them. Then the EMP hit, and the woods became something else entirely. Harmony has eight troubled teenagers, three days of food, and zero contact with the outside world. The rules don't apply anymore. The teens know it. She knows it. And whatever is stalking the edges of their camp knows it too. Survival out here won't come down to supplies.

This book is Free on March 8, 2026

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Art Mafias and Spy Operations: Free Mystery eBooks

The Chained Library Conspiracy

The Chained Library Conspiracy FREE by Arno B. Zimmer: In The Chained Library Conspiracy, a 14th-century manuscript is purloined from the oldest chained library in the world. Fearful that the ancient text has already been spirited out of England by the "Art Mafia," police turn to American private eye Woody Meacham, whose success in tracking down rare books thieves is legendary. Also free on March 8th.

This book is Free on March 7, 2026

The First Paper Cut: An Anniversary to Die For

The First Paper Cut: An Anniversary to Die For FREE by Camille Cabrera: Vivienne Whittemore has the perfect Hollywood lifestyle. She’s a blossoming actress in her prime with a husband widely regarded as one of the best screenwriters in the business. The married starlet can’t wait to celebrate her first anniversary with the man of her dreams. Of course, the only problem with dreams is that you eventually wake up.

This book is Free on March 7, 2026

Confessions of an Accidental Lawyer

Confessions of an Accidental Lawyer FREE by Michael Stockham: Legal Thriller! A young lawyer struggles to ensure that his client, his family, and his integrity all survive. Michael Stockham, a litigation attorney, takes us on a page-turning journey. If you like legal thrillers, you don't want to miss this! American Fiction Award winner. "Exceptionally well-written." - Literary Titan

This book is Free on March 7, 2026

The Far Side of Silence (The Alexander Gray Series Book 1)

The Far Side of Silence (The Alexander Gray Series Book 1) FREE by Robert B. Marcus Jr. and Kim Frank Richardson: Listed at #15 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 March 7, 2026

Reg Prescott: Off Record (SAS Series - Book 1)

Reg Prescott: Off Record (SAS Series - Book 1) FREE by Samuel James: A seasoned SAS operator with fourteen years in uniform, Prescott has built a career on deniable operations and clean exits. But this time the intelligence doesn’t sit right. There are markers in the noise - details that shouldn’t be there. British fingerprints buried where they don’t belong.

This book is Free on March 7, 2026

180⁰ Chord

180⁰ Chord FREE by Chris Leicester: The play, 180⁰ Chord, adapted from the book by the same writer, successfully toured the the UK in 2022, 2024 and 2025-26. Audiences and critics have loved it. Because of this, the play is touring again in 2027, performing at prestigious venues in the UK after which it transfers to a world-renowned venue on Broadway for a longer run.

This book is Free on March 7, 2026

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Suspicious Circumstances and Murder Victims: Free Mystery eBooks

Cookin' Up Murder

Cookin' Up Murder FREE by D. J. Adamson: “An addictive page-turner, Cookin' Up Murder will have you hooked from the first page!” — Mystery Review Daily. When a high-profile baker is found dead under suspicious circumstances, private investigator Tuesday Welsh dives into a case as complex as it is dangerous. If you like Sue Grafton, this will be your next best find!

This book is Free on March 6, 2026

The Path That Turns Toward Spring (Mailbox Mysteries Book 4)

The Path That Turns Toward Spring (Mailbox Mysteries Book 4) FREE by Melanie Lageschulte: Mail carrier Kate confronts greed, betrayal, and danger when an embezzlement scandal rocks her hometown. Can she deliver justice and save a beloved local business? Don’t miss this riveting series filled with small-town charm and cozy suspense!

This book is Free on March 6, 2026

D for Daisy (The Blind Sleuth Mysteries Book 1)

D for Daisy (The Blind Sleuth Mysteries Book 1) FREE by Nick Aaron: The murder victim's wife was blind. World War II. After bombing Berlin a Lancaster landed at its base in England and a crew member was found dead. His young wife concluded that he had been murdered. But Daisy Hayes was blind since birth, and no one would listen to her. So she had to find the killer on her own.

This book is Free on March 6, 2026

The Seneca Scourge

The Seneca Scourge FREE by Carrie Rubin: A young physician caught up in a deadly influenza pandemic joins forces with a mysterious new research virologist, whose arrival coincides with the virus and whose presence raises more questions than answers. “impossible to put down"—Readers’ Favorite

This book is Free on March 6, 2026

12 Years to AI Singularity: A Harmonious Future with Artificial Intelligence or War

12 Years to AI Singularity: A Harmonious Future with Artificial Intelligence or War FREE by Peter Solomon: What happens when AI stops serving humanity—and starts redefining it? In 12 Years to the Singularity, Earth teeters on collapse while Mars becomes a testing ground for survival. As machines evolve beyond control, love, loyalty, and identity are rewritten. The countdown has begun. There is both danger and hope. Read the future before it reads you.

This book is Free on March 6, 2026

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