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: THE RIDDLE OF THE DUNES

James Andrew

A woman is killed near the beach. There is little evidence. But the crime bears the hallmarks of several similar murders some time ago. The trouble is that the man supposedly responsible was sent to the gallows… Set in the aftermath of the First World War, THE RIDDLE OF THE DUNES is an intriguing murder ... Read more

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Free: When the Pages Burn: Part 1 – Inheritance

Werner Pool

Ethan can make people forget…for the right price of course. The catch is, he is slowly losing his own memories. After a botched job, Ethan is on the run with a young woman named Skylar. As they find themselves in a deepening hole of secrets, cover-ups, assassins and powerful enemies, Ethan and Skylar will have ... Read more

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Evie Parker Lady Sleuth Mysteries Books 1 & 2: 1920s Historical Cozy Mysteries: House Party Murder Rap & Murder at the Tea Party

Sonia Parin

Lighthearted 1920s cozy mysteries with a cast of unique and quirky characters tackling mysteries in country estates, villages, and the bright lights of the roaring twenties. $0.99 on Kindle.... Read more

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The Philanthropists Series

Mary Alford

  From USA Today bestselling Author Mary Alford comes The Champion. Dr. Aaron Carson’s once promising career as chief of surgery has gone up in flames because the mistakes of his past remind him of the lives he’s failed to save. First his best friend in Afghanistan, and then his wife. Running away from his ... Read more

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A Spirited Vengeance

Clare Lockhart

A stand-alone paranormal, cozy mystery with twists you won’t see coming! An OCD twin from a parallel universe, a meddling ghost, and a desperate plea for help means Quinn has her hands full. When a friend shows up with a mysterious man and a vow to leave her abhorrent husband, Quinn must decide how far ... Read more

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Lies We Never See

Michael Lindley

The Amazon #1 bestselling “Hanna and Alex” series starts here with this twisting and emotional saga of love, betrayal, murder and hardfought deliverance set in the Low Country of South Carolina. Charleston attorney Hanna Walsh finds herself facing down a dangerous stranger when her husband is murdered and she’s suspected of hiding millions in stolen ... Read more

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Celtic Force: a novel (The Celtic Force Series Book 1)

Tony Kennedy

The year is 1964, and the Irish Republican Movement is actively participating in guerrilla warfare with British forces and the government, manipulating politicians in Ireland, the United States, and Australia into supporting their cause. Nothing is off-limits. The vast tentacles of the Irish involvement move from Dublin through time to Northern Ireland, England, the United ... Read more

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Dogs, Dalliances, and Death

Sandra Baublitz

Woof! Paw, canine detective, sniffs out a dead man in the fridge of the bakery his owner’s friend, Jac, is planning to open. Worse, Jac’s dad knew the man and is now suspected of his murder. It’s up to Paw and his owner to trail the clues to the killer. $0.99 on Kindle.... Read more

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The Brothers Brown & Gray

Gary Glass

They say everybody has a double. What if yours is hunting you? A cynical detective. A dangerous beauty. Estranged twins, one a recluse, the other a playboy — at least one of them insane. $2.99 on Kindle.... Read more

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Free: Murder: Secrets Among Colleagues

Shauntey James

Prestigious faculty members at Mill Run University vie for a position to work on a national grant that will make a difference in all their careers. Secrets, lies, and cutthroat resentment stemming from graduate school dominate tenuous relationships between faculty, administration, and students, especially as tensions rise with an impending sexual misconduct hearing. What length ... Read more

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Haunted by the Innocent

Chris Phipps

Rookie detective Dee Callender is assigned to work a puzzling crime scene alongside Matt Coleman, who seems intent on destroying her credibility and forcing her out of the unit. Then Dee’s real problems begin, bringing back ghosts from her past and forcing her to make choices she never could have imagined, nd that will change ... Read more

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337

M. Jonathan Lee

A story with a twist revealed on the very last word, which will change your view of everything you’ve just read. Samuel’s mother vanished when he was in his teens. His brother, Tom, found her wedding ring on the kitchen table along with the note. While their father pays the price of his mother’s disappearance, ... Read more

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Soldiers of Freedom

Samuel Marquis

SOLDIERS OF FREEDOM is the true story of the 1944-1945 War in Western Europe and the final Allied struggle to conquer Nazi Germany. The story is told through the eyes of William McBurney, a tank gunner in the 761st Tank Battalion, the first African-American tank unit in U.S. history. $0.99 on Kindle.... Read more

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The Washington Prophecy

Robert Rapoza

Army Ranger turned Archeologist Nick Randall battles a former Spetnatz agent seeking a relic which could give him the power to destroy the governments of Western Civilization. It’s a deadly race to see who can find the artifact first. Randall must prevent the rogue agent from starting World War III as the fate of the ... Read more

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Free: Blood Revenge (A Seekers Mystery Book – 3)

Sam Berretti

Someone put a hit out on Doris and Della Jamay. No surprise considering what they had done – the men killed, the money taken. They’d have to go after them. A little psychic girl tried to warn the two about “eagles, monkeys, and dragons,” but nothing could prepare them. They flew to Paris but landed ... Read more

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Free: Greed

C. M. Sutter

Washburn County Deputy Amber Monroe is following in the footsteps of her sister, Jade. She devours everything she can during her detective training in hopes of being promoted soon. Living in small-town USA has its advantages, like a sense of security, and disadvantages, like being close to Milwaukee and its crime. Washburn County has become ... Read more

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The Reaper

Rae Scott

Fear not those who are innocent, for I shall cause you no harm. I seek out only those who have yet to pay for their sins. Fear me if you have no remorse, for I am the Reaper, and I will ensure that you reap what you have sewn. The serial killer known as The ... Read more

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Free: Dead Funny: Four Women, Four Dead Bodies…well ok, Five

Jinx James

Annabel, a fast-fading celebrity, will do more or less any anything to remain popular… yep, ANYTHING. It’s a dark comedy crime fest. DEAD FUNNY confirms that the world is as crazy and off-kilter as you always suspected. It focuses a satirical light on the lives of four very different, but equally ballsy women who cross ... Read more

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Free: The Harrison

Madison Kent

What will Madeline find on the mysterious third floor of the Harrison Hotel? Upon returning to America and her hometown city of Chicago, Madeline Donovan is anxious to establish a detective agency. A case comes unexpectedly to her through the source of her physician father, who has just treated a patient for hysteria. The doctor ... Read more

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Bollywood P.I. California Dreaming

Priya Khajuria

An idealistic daydreamer and a little group of misfits stumble upon a bizarre crime operation and find themselves on the run for their lives. $0.99 on Kindle.... Read more

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Forget Me Not

Marie Sibbons

Judy is nervous about being alone over Christmas. Then she discovers a box of old letters hidden in the attic of her rented house, the house that once belonged to Bertha Lloyd. The letters reveal what life was like for two sisters living in war-torn Britain. The words of Eveline and Bertha help pass the ... Read more

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Once Upon a Murderous Delusion

A.G. Russo

The year is 1980 in a sleepy New England town. A series of devastating murders threaten the community. A serial killer has begun a deadly game of catch-me-if-you-can with local police, who have dubbed the carnage, “The Mommy Murders.” Frightened residents believe the hospital psychiatric unit is somehow to blame. Nurses disagree. Can he be ... Read more

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SAY IT ISN’T SO

Willow Rose

It is a dream come true for ten-year-old Becky when her parents take her and her younger sister on a cruise to the Bahamas. But nothing is how it is supposed to be when her parents can’t stop fighting, and soon the trip turns out to be a true nightmare. When she and her sister ... Read more

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The Secrets She Buried

Neil Turner

In the sixth Tony Valenti Thriller, Tony and Penelope will need all their guile and courage to solve the puzzle of Rose Clark’s death. Did she die of COVID, or was murder committed under cover of the pandemic? If she was a victim of foul play, is the killer close at hand? If so, will ... Read more

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Christmas Presents (A Cozy Retirement Mystery Book 5)

Riley Blake

When several children lose their parents due to an alleged freak accident, Mary Louise, Pearl, and Opal offer to stay with the family until after Christmas. The sleuthing women soon discover a written threat that the couple had hidden in their belongings. As they hunt for motive, clues, and suspects, they uncover a century-old vendetta. ... Read more

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Free: The Missing Treasure Hunter

David Francis Curran

When Shay Hamilton picks up a young woman, Lori Mysek, fleeing from her husband on I-90 near Drummond, Montana, he has no idea the set of events his action will unleash. If you love Winslow Doyle Mysteries you’ll love this book. Free on Kindle.... Read more

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Free: Sally’s Revenge : Volume 1

Dillon Yong

It all started when Sally’s best friends set her up and got her into trouble with the law. Her payback was brutal when she eventually found out that her friends were the masterminds behind her demise. Sally would transform from one of the most affluent teenagers in Manhattan to one of the most gruesome murderers ... Read more

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Free: It Happened Last Summer…

Phillip Franco

Elizabeth McAndrews is newly landed in college, studying investigative journalism. She’s looking for a story. Until her revisiting the murder of her dear friend and high school mentor, Mrs. Thompson, starts turning up unresolved questions. The police have laid the case to bed. There are no promising leads. Dr. William Thompson, her husband and the ... Read more

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Free: Where Did They Go?

A. Nation

Susan finds herself in another world after her husband’s death. (Book 1 of 5). Her new friends stir up old memories and convince her, her husband was murdered. Now, will she survive the killer’s wrath once she discovers who did it? Free on Kindle.... Read more

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An Eye for an Eye (Summary Justice series Book 1)

Theo Harris

Whoever said that crime doesn’t pay hasn’t been to East London recently. Kendra March and her partner are given the unenviable task of bringing down the untouchable Qupi gang, who rule the East End of London with an iron fist. A lapse in judgement, however, leads to a catastrophic turn of events, changing their lives ... Read more

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Free: Escape to Osprey Cove

Luisa Marietta Gold

The mystery begins with an unusual find in the secret compartment of Doug’s new Corvette, changing his and Catherine’s life forever. Doug’s mysterious behavior afterward forces Catherine to escape to The Osprey Cove Lodge, where she finds something even more valuable. The series spans seven geographic locations, from the scenic Canadian region of the Rideau ... Read more

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Free: See Jane Sing!

Jolene Stratton Philo

Amateur sleuth and primary grade school teacher Jane Newell and her zany friends take on a new murder mystery in the quirky South Dakota town of Little Missouri in the second book of The West River Mysteries. Free on Kindle.... Read more

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Free: One Last Move

Wes Snowden

ONE LAST MOVE- After his business partner dies suddenly, Doctor Lawrence Rosewood inherits an unexpected, tangled, and deadly mess inside their chain of ultra-luxury retirement homes. A hostile takeover battle fronted by shadowy organized crime figures catapults Rosewood into a dramatic race for survival. As the doctor’s meticulously planned defensive strategy begins to unfold, he ... Read more

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Dolphin Bay Cozy Mysteries Boxed Set 1

Leena Clover

Join cafe owner Anna Butler as she battles with the local mayor, trying to rebuild her life and reputation. Aided by her prodigal daughter, quirky friends and a handsome retired police chief, this amateur sleuth is not daunted by red herrings. If you like cozies featuring strong women, yummy food and plenty of twists and ... Read more

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Leave the Bottom-Cook Islands

Randy Slapnicka

Melody Foster has a PhD in marine biology and a master’s in genetics, specializing in octopuses all over the world. When COVID stops all funding for her Octolab, she takes a consulting job in the Cook Islands for a deepsea mining operation, looking for metallic nodules that litter the Pacific floor and contain the rare ... Read more

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The Rooster Crowed at Midnight

Martin Mancini

Jack Snow’s second mystery explores the legend of the towns most infamous resident Carl Jenkins. The story reveals new details about beloved characters as they are thrust together in this new adventure. Join Jack Snow as he delves underneath the haunted heart of Shadow Bay, WI. Humor, horror and romance collide in The Rooster Crowed ... Read more

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An Eye for an Eye

Theo Harris

Whoever said that crime doesn’t pay hasn’t been to East London recently. Kendra March and her partner are given the unenviable task of bringing down the untouchable Qupi gang, who rule the East End of London with an iron fist. A lapse in judgement, however, leads to a catastrophic turn of events, changing their lives ... Read more

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Free: The Road To Key West

Michael Reisig

In an introduction to his best-selling Caribbean series, Michael Reisig’s “The Road To Key West” mixes you a cocktail of high adventure with a touch of madness, a splash of “laugh out loud” humor, and a wild parade of fools. The Road To Key West cavorts though the 1970s, from Key West and the Bahamas ... Read more

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Heads or Tails You’re Gone

William Joel

A former commander of the Navy’s SEAL team two, Clyde Hayden, is new commander of the elite homicide division of the Phoenix Police Department. Clyde is happily married until his best friend, a Phoenix police officer, is murdered while responding to a domestic violence call. Clyde’s wife, Jeannie, has had enough, scared that Clyde will ... Read more

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Free: Borderline

Denver Murphy

When a girl is attacked on her way home after a night out, DC Ruby Knight is determined to prevent another incident. But the community quickly takes matters into its own hands. The young detective is forced to question her own sense of right and wrong when revenge tries to trump justice. Free on Kindle.... Read more

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