Free and Discounted Mystery & Thriller Books

Prepare for suspense, excitement, and plenty of tense situations within these mystery and thriller selections! From high-speed thrillers to tense caper stories to fascinating police procedurals, these books will keep you entertained and enthralled for hours on end. Here's a selection of mysteries, legal thrillers, crime thrillers, spy thrillers, mystery thrillers, cozys and more!

Free: Helix: Episode 1

Nathan M. Farrugia

Olesya is a spy hunter. In a high-tech world of programmed assassins, betrayal and far-reaching conspiracies, Olesya and her team are the last line of defense against a covert organization that will stop at nothing to control the world. But a new, deadlier enemy is rising. And they have Olesya in their crosshairs…Free on Kindle.... Read more

Read more...

Miss Riddell and the Heiress: An Amateur Female Sleuth Historical Cozy Mystery

P.C. James

A lost fortune. A desperate hunt for answers. Can a persistent investigator unearth the truth and save a life? Miss Riddell and the Heiress is the intriguing fourth book in the Miss Riddell Cozy Mystery series. If you like whip-smart heroines, compelling clues, and sensational twists, then you’ll love P.C. James’ captivating tale. $0.99 on ... Read more

Read more...

The Invisible Body

Jenny Cutts

A strange ability. A discovered corpse. But will his supernatural sleuthing skills lead him into a killer’s trap? England, 1990. Reed has travelled his whole life in search of someone who understands him. So he’s thrilled when his journey brings him to free-spirited Zoya, who shares his rare ability to dream-walk. But after his gift ... Read more

Read more...

Free: Gabriel Wolfe Boxset #3: No Further, Torpedo, Three Kingdoms (The Gabriel Wolfe Thrillers Boxset)

Andy Maslen

Three more break-neck thrillers featuring SAS veteran Gabriel Wolfe. Meet Gabriel Wolfe. A decorated SAS veteran struggling to overcome his PTSD caused by a botched final mission. Sucked back into government black ops work, he makes mistakes, sure. And he’s not invincible. But he’s tough as nails. And he does what he needs to defeat ... Read more

Read more...

Three Treats Too Many

Debra H. Goldstein

For someone whose greatest culinary skill is ordering takeout, Sarah never expected to be co-owner of a restaurant. Even her Siamese cat, RahRah, seems to be looking at her differently. But while Sarah and her twin sister, Chef Emily, are tangled up in red tape waiting for the building inspector to get around to them, ... Read more

Read more...

Free: Fatal Destiny

David DeLee

Stolen Mob Money! Ruthless Hit Men! A Past That Won’t Stay Dead And Buried! In this thrilling series premiere by award-winning author David DeLee, bounty hunter Grace deHaviland takes on what should’ve been a simple bail jumping case, easy-peasy, before it spun out of control and people ended up dead! For bounty hunter Grace deHaviland, ... Read more

Read more...

Free: Root and Branch

Preston Fleming

Roger Zorn, owner of a French security company, is delighted to win a major contract with the U.S. Department of Homeland Security (DHS). The work requires applying his risk assessment technology to evaluate terrorist suspects. But when Zorn discovers that DHS is manipulating scores to deport massive numbers of Muslims, he faces a terrible choice. ... Read more

Read more...

Lily’s Homecoming Under Fire Calla Lily Mystery #1 (Calla Lily Mystery Series)

Anna Celeste Burke

In California’s Wine Country Someone Wants Lily Dead. When Lily Callahan returns home to California’s wine country, sparks fly amid a hail of bullets as she and Deputy U.S. Marshall Austin Jennings take cover. Money, fame, and love all come into play as motives when Lily and Austin try to discover who wants Lily dead. ... Read more

Read more...

House Party Murder Rap: 1920s Historical Cozy Mystery (An Evie Parker Mystery Book 1)

Sonia Parin

Lighthearted 1920s cozy mystery. Two people have been targeted. Shots have been fired. Who stands to inherit? Who has the most to lose? Evangeline ‘Evie’ Parker, Countess of Woodridge, thinks it’s nothing but an accident but then an attempt is made on her host’s life. Suddenly, all the guests attending the Duke of Hetherington’s house ... Read more

Read more...

Free: The Lads Will Have Blood

Ken Ross

When justice is unattainable the rabble shall rise from the gutters to seek revenge. While James Cornleak stares at his prison cell walls, his father and a gang of estate lads confront the forces of authority determined to get even after a corrupt Crown Court trial. Freeing James is impossible but the prize for their ... Read more

Read more...

Fatal Deception

Stacy- Deanne

To live, she’ll have to fight to the death. A beautiful model must fight for her life against an enthralling stranger after being kidnapped and held hostage during a photoshoot in the Pacific Ocean. $0.99 on Kindle.... Read more

Read more...

Free: The Frontline: Season 1 Episode 1

Michael Santino

In a nation deeply divided, Kole County is The Frontline. When a bomb explodes in a local restaurant, a young idealistic FBI agent, Christopher Odacio, and a grizzled state police investigator, Brett Bonner are forced to team up and race to determine if American Dawn is a domestic terrorism outfit hellbent on sparking a second civil war, or smokescreen to divert their attention. Free on Kindle.... Read more

Read more...

Black Danube

Nik Grybaski

1899 Vienna. A young dissident is murdered – his fiancée, the prime suspect. Crime photographer Leo Katz’s images expose the true killers. But to save the innocent woman from the gallows, he risks revealing that he is a fraud and on the run. When the pathologist in training, Lucy Strauss, becomes the object of his ... Read more

Read more...

Free: Tapas, Carrot Cake, and a Corpse

Sherri Bryan

A stranger is murdered, and the residents of a small-town close ranks as the hunt for a killer gathers pace. Desperate for a return to normal life, café owner Charlotte Denver reluctantly becomes involved in the investigation, and discovers a secret that rocks the close-knit community to its core. Will you guess whodunnit in this ... Read more

Read more...

Free: Off Chance

Glen Robins

Lukas Mueller knows something is off. He just can’t pinpoint it. His girlfriend goes missing, he goes searching, and the NSA comes investigating. When his mentor, Pho Nam Penh, disappears, Lukas’s nightmare begins. Lukas goes from suspicious to suspect overnight. With the NSA breathing down his neck, how can Lukas prove his innocence and assert ... Read more

Read more...

The Social Affair: A Psychological Thriller

Britney King

In the tradition of Gone Girl and Behind Closed Doors comes a gripping, twisted, furiously clever read that demands your attention, and keeps you guessing until the very end. For fans of the anti-heroine and stories told in unorthodox ways, The Social Affair delivers us the perfect dark and provocative villain. The only question—who is ... Read more

Read more...

Free: The Harry Starke Series: Books 4 -6 (The Harry Starke Series Boxed Set Book 2)

Blair Howard

Harry Starke: Books 4, 5 and 6. Howard writes in a style that is reminiscent of J.A Jance and Lee Child, while Starke also reminds me of Spenser and Travis McGee.Three sizzling crime novels packed full of murder, mystery, mind-bending action, heart-stopping suspense and rib-tickling humor. Blair Howard’s unique stories, his wickedly woven plots and ... Read more

Read more...

Bollywood P.I. California Dreaming

Priya Khajuria

A bookkeeper in California rushes into a mystery with good intentions, only to stumble into a national crime syndicate’s machine. Now Jita and her band of misfits are on the run for their lives. And only the unexpected can save them. Reader alert: Contains irreverent humor, some suggestive humor and language! $1.99 on Kindle.... Read more

Read more...

The Guilty Die Twice

Don Hartshorn

Lawyer brothers Travis and Jake Lynch must put aside a decade of bad blood to dig up the truth and find true justice in the midst of a high-profile and highly politicized capital murder case. $0.99 on Kindle.... Read more

Read more...

Free: The Smallest Creatures

Dan McNay

A young man agrees to help a woman return from New Orleans to Nashville. But tensions soon arise between them, and when he is pulled over by highway patrol, the woman begins to act in a strange manner. What is she hiding? What has she done? David is in danger, but as cabin fever sets ... Read more

Read more...

The Lovers (Echoes from the Past Book 1)

Irina Shapiro

1665. When Elise de Lesseps is sold in marriage to Lord Edward Asher, she resolves to be an obedient and dutiful wife, until, on their wedding night, she finds out exactly what her husband has in store for her. His request leaves her feeling shocked and humiliated, but being his chattel, she has no right ... Read more

Read more...

Ain’t Nothin’ Personal

Chris Kelsey

After a kidnap-for-hire plot results in the death of a young boy, Burr, Oklahoma police chief Emmett Hardy blames himself and has an alcohol-fueled breakdown. His life at a crossroads, Hardy checks into the hospital for treatment, only to discover upon his release that he’s been suspended from duty. When a dying prisoner contacts him ... Read more

Read more...

The Perfect Spy: A Clean Romantic Suspense (An Untapped Source Book 1)

Amy Martinsen

She’s got the best undercover crew. But will a sinister secret undo them? Kate Ross has lost way too much in the last six months. With her mother’s death from breast cancer, an agent she handled killed on the job, and her career in jeopardy, the beleaguered CIA officer’s faith in God seems like another ... Read more

Read more...

Free: ZERO

Nathan Farrugia

A trainee spy must face off against a paramilitary doomsday cult inside a ghost city. Free on Kindle.... Read more

Read more...

Becky Tibbs: A Medium’s Mystery Series (Books 1-5)

Chariss K. Walker

Becky Tibbs is a real-deal medium in Asheville, NC. She helps ghosts with their unfinished business and solves some mysteries along the way in this sweet, clean cozy mystery series. $0.99 on Kindle.... Read more

Read more...

Free: There Are No Monsters: The Nocturne Society I

Sebastian Leyendecker

When Sandra is killed two unlikely allies need to work together to unravel a web of cannibalism, occult tomes, and an ancient disbanded secret society. But can they trust each other? Especially when one of them is Sandra‘s murderer? Free on Kindle.... Read more

Read more...

A Snake Among Flowers

Richard Devall

A woman is murdered in the LGBTQ community and her best friend was the last one to see her. She showed signs of deception when she was interviewed by the police. The two lead detectives each missed a crucial clue. $0.99 on Kindle.... Read more

Read more...

Society for Paranormals: The Complete Series

Vered Ehsani

It’s Jane Austen meets Lara Croft in this delightful cozy mystery romp through Victorian Africa. Armed with Victorian etiquette, a fully loaded walking stick, and a dead husband, Miss Beatrice Knight arrives in the small colonial town of Nairobi desperate for a pot of tea and a pinch of cinnamon. This collection brings together for ... Read more

Read more...

Free: The Holy Grail

Christopher Cartwright

Fresh from his success with the search and rescue of the USS Omega Deep, Sam Reilly was looking forward to some much-needed rest. Not everyone had the same idea though. When a panicked man with purple eyes grabs him at gunpoint and takes him hostage, Sam knows that this is more than a mere ransom ... Read more

Read more...

Free: Ruff Justice: Cara Mia Delgatto Mystery Series (Book 5)

Joanna Campbell Slan

When a young caregiver is falsely accused of stealing from her elderly client, Cara Mia Delgatto refuses to stand by with her mouth shut. That famous Italian temper of Cara’s is hotter than a bottle rocket. Instead of ignoring the girl’s plight, Cara launches her own investigation, even though she has plenty to keep her ... Read more

Read more...

A Surgeon’s Knot

William Lynes

“Heart-pounding tales of a surgical intern that are both terrifying and profound. This medical thriller will stay with you long past the final chapter.” -Best Thrillers. A Surgeon’s Knot is a story of the dignity of medicine, the overwhelming duty to man, failure and recovery. $0.99 on Kindle.... Read more

Read more...

Secrets Mothers Keep

Anya Mora

A small town torn apart by a horrific hate crime. An investigative reporter hell bent on finding the truth. A mother’s worst nightmare. What really happened to the Reyes boy? $0.99 on Kindle.... Read more

Read more...

Free: Something I Keep Upstairs

Philip Crawford

Coleman Cooper is a troubled young man who can never get anything right—not even his own suicide. When he is sent to an open-door mental health facility in a small New England village to get his life back on track, his journey darkens even further: someone starts killing the psychiatrists, one by one. Free on Kindle.... Read more

Read more...

Free: Predator in the House

Joanne Parsons

With three months until retirement, Boston Sex Crimes Detective Karl Shea exacts revenge for the murder of a child by killing sex offenders. When another child goes missing, terminally ill Karl commits to spending the rest of his earthly time finding her. It’s a cat-and-mouse chase as Karl explores the dark world of child trafficking, ... Read more

Read more...

Citadel of Mirrors

Stephen Perkins

The past, the future, vanished with a breath of mist. There was only an everlasting moment of utter terror. The world was now a citadel of mirrors. Sophia Goldwater will become America’s first woman president. There’s only one problem: ‘Sophia’ isn’t exactly human. But neither is the man maneuvering to get her into the White ... Read more

Read more...

Contempt

Michael Cordell

After spending fiver years in jail for a murder he didn’t commit, lawyer Thane Banning takes a case to defend a former inmate from the same DA who put him behind bars. Prison taught Thane a thing or two about survival, and the last time he played by the rules, he landed on death row. ... Read more

Read more...

The Seacoast Adventure Series

David DeLee

Meet USCG Commander Brice Bannon: Someone to fight for those who can’t. This boxset bundle includes the first three novels in the explosive Brice Bannon Seacoast Adventure series: FACING THE STORM THE OCEANIC PRINCESS STRIKE OF THE STINGRAY. $0.99 on Kindle.... Read more

Read more...

Free: Unforeseen (Thomas Prescott Book 1)

Nick Pirog

The first book in the bestselling series that has garnered over a million readers across the globe. Retired homicide detective Thomas Prescott is reluctant to read the bestselling true-crime thriller, Eight in October. After all, it was his case, and he doesn’t need to be reminded of the gruesome details. The book dubbed the serial ... Read more

Read more...

Entangled Past: Family Ties

Palmer Jones

Everly Clarke is a loner, a title she very much enjoys. Two years of being on her own means two years of avoiding any further disappointment from her failed marriage. Two years of only relying on herself. The reading of her estranged husband’s will is the final closure she needs to move on. Until the ... Read more

Read more...

The Gold Touch That Went Cattywampus

Amy Boyles

The town of Magnolia Cove has lost its magic. It’s up to Pepper Reign to reclaim it. Enjoy the first book in this crossover series that features one witch, one ghost hunter, and a cast of zany characters. $0.99 on Kindle.... Read more

Read more...

Visit Just Kindle Books's profile on Pinterest.