Thriller


Revenge and Vigilantes: Free Mystery eBooks

Merlin Fights a Ghost (Merlin's Magical Mysteries Book 2)

Merlin Fights a Ghost (Merlin’s Magical Mysteries Book 2) by Molly Fitz: Gracie Springs is not a witch… but her cat is. Now she must help to keep his secret or risk spending the rest of her life in some magical prison. Too bad trouble seems to find them at every turn!

This book is Free on April 14, 2025

Kindle Nook Kobo Apple Books Google Play


Solid Gold (Red Riley Book 3)

Solid Gold (Red Riley Book 3) by Stephanie Andrews: Solid Gold is a standout entry in the Red Riley Thriller series. Join Riley, a former cop turned vigilante, as she travels from Canada to Chicago to Mexico in search of a missing woman. What starts as a simple case – with a side of revenge – complicates fast, and it will take all of Riley’s stubbornness, snark, and heart to survive this fast-paced crime novel. Grab it today!

This book is Free on April 14, 2025

Kindle


The Alien Solution

The Alien Solution by David A. Hirsch: This may LOOK like a science fiction novella, but it isn’t! Adam Benowitz’s days may be numbered when an alien lands at the U.N. and offers humanity planet-saving gifts. The only problem is what they ask in return. The lives of MILLIONS may literally be at stake as Adam tries to make sense of a world that seems to have gone mad!

This book is Free on April 14, 2025

Kindle


Dead Wong

Dead Wong by Tom Smith and W. Green: Vietnam vet Mike Buck leads FBI Squad 7, a joint cop/FBI unit that slices into Chicago’s dark underbelly when Wong Suu, an old boat-person, dies in a mysterious fire. Many die before buried secrets, lies, and a tangled web of corruption concealing a decades-old deception are revealed. DEAD WONG is a gritty police procedural with razor-sharp twists.

This book is Free on April 14, 2025

Kindle

Are these books no longer free? Sign up for our email and never miss a free book again!


High-Stakes Chases and Missing Girls: Free Mystery eBooks

Finding Ena

Finding Ena by Stan Comforti: When a doctor’s daughter is abducted from her elementary school, she seeks out ATF Agent Sam Caviello, whose instincts for finding people were eerie, cryptic—almost unnatural. Though kidnapping is outside his jurisdiction, Sam feels compelled to help. The FBI arrested a suspect, but Sam’s inquiries pointed to someone else.

This book is Free on April 13, 2025

Kindle


No Where Safe

No Where Safe by James Hunt: Every small town has a secret… Not much happens in Deerfield, Connecticut. The sleepy little town nestled at the foot of Taconic Range near two pristine lakes is the stuff of Hallmark movies. Picturesque town square, friendly neighbors, the changing seasons… but Deerfield’s small-town charm will lose its allure after a girl goes missing.

This book is Free on April 13, 2025

Kindle


Before Her Eyes

Before Her Eyes by Rebecca Forster: In a remote mountain community, the execution of a grocer and a beautiful woman’s disappearance leave Sheriff Dove Connolley searching for a connection and a killer. As Tessa Bradley struggles to survive in the forest until help comes, Dove finds that his neighbors hide dark secrets, hope can be bought, and salvation is in the eye of the beholder.

This book is Free on April 13, 2025

Kindle


Cyberside: Level Zero

Cyberside: Level Zero by Aleksey Savchenko: A gripping speculative thriller that takes readers deep into the high-stakes world of tech and entertainment industry and the dark secrets lurking beneath. A must-read for tech enthusiasts and sci-fi fans alike!

This book is Free on April 13, 2025

Kindle


The Omega Strain (Mitch Herron Action Thrillers Book 1)

The Omega Strain (Mitch Herron Action Thrillers Book 1) by Steve P. Vincent: Mitch Herron is the world’s deadliest assassin. But when he’s infected by a lethal biological weapon he only has days to hunt down those responsible and foil their attack.

This book is Free on April 13, 2025

Kindle Nook Kobo Apple Books Google Play

Are these books no longer free? Sign up for our email and never miss a free book again!


Sean Wynn Thriller Series

Night Rules (Sean Wynn Book 1)

Night Rules (Sean Wynn Book 1) by Keith Weber: Former Marine Sean Wynn would prefer he didn’t see two men stalking a young woman at a remote Wyoming rest area. But the last time he ignored something that didn’t look right, his wife wound up dead. Now, Wynn must battle bikers, sex-traffickers, and even the cops as he tries to do for a stranger what he failed to do for his wife: Save her.

This book is Free on April 12, 2025

Kindle

Other Books in the series

Are these books no longer free? Sign up for our email and never miss a free book again!


Smart-Mouthed Sleuths and Unlikely Private Investigators: Free Mystery eBooks

The Alvarez Family Murder Mysteries Box Set (Books 1-3)

The Alvarez Family Murder Mysteries Box Set (Books 1-3) by Heather Haven: This set is for cozy readers who can’t get enough of a smart-mouthed woman sleuth out to please her never-had-a-bad-hair-day mother, computer-genius brother, gourmet chef uncle, and energetic orange and white cat, Tugger.

This book is Free on April 12, 2025

Kindle


The Paladin Prelude (Elora Tune: Bard at Large Book 1)

The Paladin Prelude (Elora Tune: Bard at Large Book 1) by Patti Larsen: She’s a bard. He’s a paladin. Wait, hang on. She’s the daughter of the most famous family in the land, and he’s… not who he says he is. When Elora Tune stumbles upon mayhem, murder, and more, she’s forced to set aside her guitar and flash a badge to find a killer–without killing her career in the process! Welcome to the Elora Tune Fantasy Cozies!

This book is Free on April 12, 2025

Kindle Nook Kobo Apple Books Google Play


Witch This Way (The Witches of Holiday Hills Cozy Mystery Series Book 3)

Witch This Way (The Witches of Holiday Hills Cozy Mystery Series Book 3) by Carolyn Ridder Aspenson: My life as a ghostwriter turns eerily real when my tales of magic and mystery begin to manifest, entangling me in the adventures I write. With my talking cat and the charm of the police chief, I’m caught in a spellbinding dilemma. Can we unravel the curse before my stories write my end?

This book is Free on April 12, 2025

Kindle


A Man's Partner (The Detective Jericho Series Book 4)

A Man’s Partner (The Detective Jericho Series Book 4) by Walter Marks: East Hampton Detective Jericho’s former NYPD partner commits suicide in Manhattan. Jericho doesn’t believe he killed himself, so he goes into the city to investigate. As Sam Spade says in The Maltese Falcon, “When a man’s partner is killed, he’s supposed to do something about it.”

This book is Free on April 12, 2025

Kindle


Rekindled (Las Vegas Mystery Book 9)

Rekindled (Las Vegas Mystery Book 9) by Rex Kusler: A professional photographer attempts to rekindle a high school romance and ends up missing. No worries. The James and James Detective Agency is on the case. “Good read, unusual crimes and criminals at the mercy of an unlikely Private Investigator and his even more unlikely partner.” —Amazon reader review.

This book is Free on April 12, 2025

Kindle


Secrets in the Keys (The Rose O'Brien Trilogy Book 1)

Secrets in the Keys (The Rose O’Brien Trilogy Book 1) by S. S. Duskey: Parole Agent Rose O’Brien’s ordinary workday turns deadly when she is wounded in an exchange of gunfire. During Rose’s recovery, a lunatic from her past stalks her and abducts her sister, Saki. Rose’s search for Saki leads her from California to the Florida Keys. Upon landing, she finds herself engaged in a dangerous game of cat and mouse.

This book is Free on April 12, 2025

Kindle


Your Perfect Match

Your Perfect Match by Ina L. Nara: She had everything—until revolutionary technology told her husband she wasn’t his soulmate. Now, her marriage is crumbling, and so is her grip on the truth.

This book is Free on April 12, 2025

Kindle


No Where Safe

No Where Safe  by James Hunt: Every small town has a secret… Not much happens in Deerfield, Connecticut. The sleepy little town nestled at the foot of Taconic Range near two pristine lakes is the stuff of Hallmark movies. Picturesque town square, friendly neighbors, the changing seasons… but Deerfield’s small-town charm will lose its allure after a girl goes missing. 

This book is Free on April 12, 2025

Kindle

Are these books no longer free? Sign up for our email and never miss a free book again!


Deadly Secrets, Literary Hauntings, and Sinister Masterminds: Discounted Mystery / Thriller eBooks

Albert Smith's Culinary Capers: The First 10 Recipes

Albert Smith’s Culinary Capers: The First 10 Recipes ($0.99) by Steve Higgs: A retired detective with a nose for trouble wanders into a town hiding a deadly secret… A retired detective and a former police dog get more than they bargained for when a murder clue turns up in a pork pie. The dog can smell the answers, but can he make his human understand? Readers are calling this the funniest mystery series ever!

This deal is good on April 12, 2025

Kindle


Library Cat Magical Mysteries Box Set (Books 1-3)

Library Cat Magical Mysteries Box Set (Books 1-3) ($0.99) by Skye Sullivan: Working in a library is any book lover’s dream, but one haunted by literary characters? Francie’s in heaven… until she’s forced to solve a murder before they throw the book at her…

This deal is good on April 12, 2025

Kindle


Her Sister's Death

Her Sister’s Death ($0.99) by K. L. Murphy: A January 2023 Once Upon a Book Club Pick. “[A] riveting tale.” – Library Journal. When a reporter’s sister is found dead in a swanky hotel, the police suspect suicide. Determined to prove them wrong, the reporter partners with a retired detective who knows more than he should about her sister, the hotel, and its history of death.

This deal is good on April 12, 2025

Kindle Nook Kobo Apple Books Google Play


A Secret War (Carroll And Delaney Mystery Series Book 1)

A Secret War (Carroll And Delaney Mystery Series Book 1) ($0.99) by Jackie Sharp: Page-turning, high-stakes mystery set in war-time London. An execution-style killing plunges DCI Delaney and Maggie Carroll into a race against time to thwart a deadly conspiracy that could change the course of World War 2.

This deal is good on April 12, 2025

Kindle


Operation Boomerang

Operation Boomerang ($3.95) by Krishna Mohan: A corrupt politician seizes a wealthy estate by massacring its benevolent owner’s family and forging records with help from mercenaries and officials. Years later, those once uplifted by the victim—now powerful, motivated, and driven—return to dismantle his empire and deliver long-overdue justice.

This deal is good on April 12, 2025

Kindle


The Good Doctora

The Good Doctora ($0.99) by Todd Merer: A fearless lawyer thrives on defending extradited drug lords—until she becomes the prime suspect in her latest case. From cartel strongholds to a New York courtroom, she battles for justice and survival. Todd Merer, former attorney to Escobar’s circle, crafts a high-stakes thriller of crime, corruption, and resilience in the shadowy underworld.

This deal is good on April 12, 2025

Kindle


Plane in the Lake (The Tony Valenti Thrillers Book 2)

Plane in the Lake (The Tony Valenti Thrillers Book 2) ($0.99) by Neil Turner: A sightseeing plane crash kills five. An investigation will explain what happened. Or will it? The owners hire a legal behemoth to pin the blame on a pair of mechanics. The mechanics hire Tony Valenti, who soon finds that he isn’t only battling to win a lawsuit… he’s also racing to save the most precious people in his life. Book 2 in the series.

This deal is good on April 12, 2025

Kindle


Girl Under the Ice (Ella Porter FBI Mystery Thrillers Book 1)

Girl Under the Ice (Ella Porter FBI Mystery Thrillers Book 1) ($0.99) by Georgia Wagner: She set a killer free, and now esteemed FBI agent, Ella Porter, has been exiled to her mining hometown after vowing never to return. But her arrival in Nome coincides with a woman’s disappearance; the richest gold miner’s wife, and the second to vanish in as many days. Can Ella outshine the Porter family’s tarnished reputation and find the truth?

This deal is good on April 12, 2025

Kindle


Her Pretty Lies

Her Pretty Lies ($0.99) by Angela Henry: After losing everything, grad student Kendall Good just wants her life back. So when wealthy influencer Mackenzie Burk offers to pay her to take a class for her, she reluctantly accepts. But someone knows what Kendall’s doing and blackmails her into completing a bizarre scavenger hunt. When Mackenzie ends up dead, Kendall realizes she’s been framed.

This deal is good on April 12, 2025

Kindle


Crazy Is As Crazy Does

Crazy Is As Crazy Does ($0.99) by John H. Mudgett: Discover how a 12-year-old evolves into a sinister mastermind. Graphic tale full of factual notorious characters that John has befriended over the years and who have impacted his life. Winner of 3 separate awards in two separate book contests. True Crimers, plenty of allusions for you to connect. No time to read? Now available on Amazon Audible.

This deal is good on April 12, 2025

Kindle

Have these deals expired? Sign up for our email to find out when books in your favorite genre go on sale.


The Martina Monroe Boxed Set Thriller Series

Martina Monroe Box Set (Books 1-3) (The Martina Monroe Boxed Set Series Book 1)

Martina Monroe Box Set (Books 1-3) (The Martina Monroe Boxed Set Series Book 1) by H.K. Christie: “A true must-read for those who love the very best of characters, suspense, and crime thrillers! Addicting!!!” If you love stories with high-stakes games, jaw-dropping twists, and suspense that will keep you on the edge of your seat, you’ll love the Martina Monroe series. Get addicted today!

This book is Free on April 11, 2025

Kindle

Other Books in the series

Are these books no longer free? Sign up for our email and never miss a free book again!


Dangerous Pasts and Suspicious Deaths: Free Mystery eBooks

Songbird (Jax Diamond Mysteries Book 1)

Songbird (Jax Diamond Mysteries Book 1) by Gail Meath: START THE AWARD-WINNING JAX DIAMOND MYSTERIES SERIES FOR FREE! It’s a whirlwind of twists and turns and loads of fun as PI Jax Diamond, his courageous canine partner, Ace, and Broadway star Laura Graystone along with a crazy cast of friends fight crime in 1920s New York City! WILDCARD, Book 8 releasing on 4/18!

This book is Free on April 11, 2025

Kindle


Perils in Provence (A World Traveler Cozy Mystery Book 1)

Perils in Provence (A World Traveler Cozy Mystery Book 1) by Carolyn L. Dean: It’s not easy to go from making peach pies to investigating mysteries in Provence. A dangerous past life. A new mysterious boss. An old French chateau with some very suspicious characters. And a murderer on the loose!

This book is Free on April 11, 2025

Kindle


The Resonant

The Resonant by Paul Liimatta Jr.: Add Elara in your paperback collection! Elara is a Guardian of Harmony with the power to control music. When a dark force called The Dirge spreads chaos, she must fight to save the world. Will she restore balance before it’s too late? Get The Resonant in paperback and add this epic story to your collection! Leave a review!

This book is Free on April 11, 2025

Kindle


Cookin' Up Murder

Cookin’ Up Murder 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 April 11, 2025

Kindle


Toulouse For Death

Toulouse For Death by Gregory C. Randall: Nazi gold, looted masterpieces, and the horrors of WWII resurface as Sharon O’Mara is hired to return the artworks to a Jewish family. Meanwhile, in Argentina, a war criminal is consumed by finding the key to the Nazi SS treasure hidden with the paintings? Will Sharon restore the paintings to their owners, find the key and survive the terror of the new Reich?

This book is Free on April 11, 2025

Kindle


One Day Gone (Mylas Grey Mysteries Book 1)

One Day Gone (Mylas Grey Mysteries Book 1) by Luana Ehrlich: When Mylas Grey, chief investigator for Senator Davis Allen, enlists the help of a beautiful photographer when he returns to his hometown to investigate the disappearance of the senator’s daughter, he gets more than he bargained for. Can he find her before it’s too late?

This book is Free on April 11, 2025

Kindle


Into the Storm

Into the Storm by D. J. Adamson: A murdered girl. A town ready to erupt into violence. With breakneck pacing, relentless twists, and a chilling question that lingers long after the final page–is there something else out there? If you enjoy books by T. Jefferson Parker, Brian Freeman, T.D. Barker, or Dean Koontz, you will find Into the Storm another great read.

This book is Free on April 11, 2025

Kindle


The One

The One by Audrey J. Cole: To save their marriage, Sloane must forgive her husband’s affair. Instead, she tries a more tempting option—settling the score. But will it prove to be a deadly mistake?

This book is Free on April 11, 2025

Kindle


Deep Shadow (The Deep Series Book 1)

Deep Shadow (The Deep Series Book 1) by Nick Sullivan: Sometimes the brightest corners of the world hold the deepest shadows. In the island of Bonaire, divemasters Boone Fischer and Emily Durand spot something on a routine dive that will turn their lives upside down. Book One of the best-selling Deep Series, described as “binge-reading at its best!”

This book is Free on April 11, 2025

Kindle


The Vertigo (Crocodile Dreaming Series)

The Vertigo (Crocodile Dreaming Series) by Graham Wilson: Who is the man behind the Crocodile Dreaming Series. It seems he is forever perched at the edge of the abyss, trying to keep his balance and hold onto something good. But as more and more bad things happen, slowly a malevolent being takes possession of his soul and it feeds on vengeance.

This book is Free on April 11, 2025

Kindle

Are these books no longer free? Sign up for our email and never miss a free book again!


Ex-Cops and Stellar Sleuths: Free Mystery eBooks

Little Leaf Creek Cozy Mysteries Box Set (Books 1-10)

Little Leaf Creek Cozy Mysteries Box Set (Books 1-10) by Cindy Bell: Cassie’s first encounter with her neighbor’s adorable dog and cheeky goats shows her that she has a lot to learn about country life. Then, she quickly discovers the town has more than a few mysteries, and she partners with her ex-cop neighbor to solve them. Their sleuthing adventures are filled with fun, delicious desserts, and a whole lot of danger.

This book is Free on April 10, 2025

Kindle


Sweet Masterpiece (Samantha Sweet Mysteries Book 1)

Sweet Masterpiece (Samantha Sweet Mysteries Book 1) by Connie Shelton: USA Today bestselling author Connie Shelton introduces her most delightful cozy mystery series yet—with a little romance, a little magic, and a whole lot of chocolate! With nearly 2 million books sold and downloaded in more than 110 countries, see what the fuss is all about!

This book is Free on April 10, 2025

Kindle Kobo Apple Books Google Play


When in Rohm (A Max Harmon Mystery Book 1)

When in Rohm (A Max Harmon Mystery Book 1) by Micheal Maxwell: A New Job, a Dead Drummer, the Partner from Hell, and Nowhere to Go. When a punk band drummer is found murdered, an oddball cast of characters are all suspects. Meet Flynt & Steele the mismatched heroes of the new series from Micheal Maxwell, the author of the bestselling Cole Sage Mystery series.

This book is Free on April 10, 2025

Kindle


Where Sunflowers Stand

Where Sunflowers Stand by K.J. Backford: Espionage suspense thriller. Alex Curtner, a new CIA Chief of Station for Ukraine and Russia, assists Ukraine in its fight for freedom during the Russian aggression. The setting is the largest European war since WWII. In the clandestine world of international espionage, what begins as a routine CIA assignment morphs into a personal struggle.

This book is Free on April 10, 2025

Kindle


The Eye of Nineveh (The Acquirers Archaeological Thrillers Book 1)

The Eye of Nineveh (The Acquirers Archaeological Thrillers Book 1) by D G Palmer: A priceless relic is stolen. A terrorist makes his move. With 36 hours to save her parents, archaeologist Natasha Travers must team up with her estranged ex to solve ancient clues, outrun killers, and stop a catastrophe. The Eye of Nineveh is an unmissable thrill ride!

This book is Free on April 10, 2025

Kindle

Are these books no longer free? Sign up for our email and never miss a free book again!


Protector Thriller Series

The Drive (Protector Book 1)

The Drive (Protector Book 1) by Rebecca Marino: An innocent woman’s life changes in a heartbeat when she’s led to a flash drive that contains vital information against the mob. Terrified, she finds herself on the run from corrupt police and the FBI, armed with one directive – “Trust no one!” Grab this heart-pounding, action-packed tale of nail-biting suspense NOW! FREE for only three days!

This book is Free on April 9, 2025

Kindle

Other Books in the series

Are these books no longer free? Sign up for our email and never miss a free book again!


Buried Secrets and Deadly Errors: Free Mystery eBooks

Portrait of a Dead Guy (A Cherry Tucker Mystery Book 1)

Portrait of a Dead Guy (A Cherry Tucker Mystery Book 1) by Larissa Reinhart: Can small-town artist Cherry Tucker outwit a killer? A sassy southern-fried whodunit with a side of romance. A Woman’s World Magazine Book Club Pick, a Daphne Du Maurier finalist, and first in the Wall Street Journal bestselling series. “High-octane action with quirky, down-home characters and a trouble-magnet heroine.”

This book is Free on April 9, 2025

Kindle


Wands and Wine (Merry Meet Cozy Witch Mysteries Book 1)

Wands and Wine (Merry Meet Cozy Witch Mysteries Book 1) by Luna Martin: A surprise inheritance brings Daisy Banks back to a moorland village filled with magic, murder, and long-buried secrets. With a talking cat, two witchy sidekicks, and a spellbook in hand, can she uncover the truth before it’s too late? Wands and Wine is FREE today—Folly Gate is expecting you!

This book is Free on April 9, 2025

Kindle


California Bust (Rip Lane Book 3)

California Bust (Rip Lane Book 3) by W.J. Costello: Former U.S. marshal Rip Lane is called out of retirement to hunt down gunmen who killed two marshals and stole a spying device. One of the murdered marshals is Rip’s cousin. When Rip infiltrates an outlaw motorcycle club, he descends into an underworld of criminal psychopaths where he stops at nothing to avenge the death of his cousin.

This book is Free on April 9, 2025

Kindle


Forgotten Shadows (The Strange Air Book 1)

Forgotten Shadows (The Strange Air Book 1) by Erick Mertz: Newly elected Sheriff August Melville is about to discover that serving your home town is more difficult than expected. A trip to his old elementary school for a ribbon cutting ceremony forces him to confront a grim reality about one of his old teachers. Welcome to Canyon County, where a simple trip down memory lane can lead to terror.

This book is Free on April 9, 2025

Kindle


The Business of Death (The Nick Hunter Vigilante Thriller Series Book 1)

The Business of Death (The Nick Hunter Vigilante Thriller Series Book 1) by Dean Carson: He was paid to clean up their mess. Now, he’s their biggest loose end. Nick Hunter is a top-tier bounty hunter, but when a CIA mission in Bosnia backfires, he becomes the hunted. As he uncovers a dangerous conspiracy, Nick must outsmart ruthless enemies and survive–before they erase him from the game.

This book is Free on April 9, 2025

Kindle


Farewell Performance

Farewell Performance by Joseph Flynn: Two cops chasing a rumor… an underground rock concert with a great new band who plans to commit suicide on stage. Has to be a gag, doesn’t it? In SoCal, maybe not. But they don’t know the band’s name, the date, or the venue. Two cops who were supposed to debunk a hoax suddenly find themselves working the most deadly case of their careers.

This book is Free on April 9, 2025

Kindle


Damaged Goods

Damaged Goods by Julia Derek: When personal trainer Sage Wellington meets new client Vanessa, suppressed childhood trauma resurfaces alongside a series of murders. Evidence places Sage at crime scenes she doesn’t remember visiting. Are her blackouts hiding a killer within, or is her enigmatic client orchestrating her unraveling?

This book is Free on April 9, 2025

Kindle


51st Directive

51st Directive by Michael Agliolo: Take a rollercoaster ride on the edge of reality. In the event of a “catastrophic emergency”, the 51st Directive grants the President of the United States the power to take complete control of Congress and the Supreme Court. This novel will scare you… should scare you. It’s right out of today’s headlines, and no one knows it exists. It does.

This book is Free on April 9, 2025

Kindle

Are these books no longer free? Sign up for our email and never miss a free book again!



Page 3 of 16112345...102030...Last »