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: American Terrorist

When terrorists launch assaults on the Washington Monument and the New York subway system, all government resources are thrown at the situation, trying to contain the damage and prevent more. But is this the end game, or just the opening act? Free on Kindle.... Read more

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Grave Stones

From New York Times bestselling author Calinda B, author of the #1 Most Wished For Horror Anthology, comes a modern day tale of an ancient Irish myth. Revenge is a bloody business… Lassi Finn is a thoroughly modern Dublin girl, with a goal of selling her late Aunt Roberta’s home and add the proceeds to ... Read more

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24 Hours

What do you do when your celebrity-DJ daughter is kidnapped and you have twenty-four hours until she’s killed? Forget the Swedish police. If you’re the wealthy von Mullers of Stockholm, you call PI Martin Brunner and his mouthy apprentice, Daniel Lakin. As the desperate hours tick by, the hired detectives search for suspicious links in ... Read more

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Intent

Krista Wagner

Feeling stuck in her small town, twenty-two-year-old Raylee finds happiness in an old high school crush. But the familiar world she’s always known abruptly changes when she is thrust into a dark mystery. Her high school nemesis suddenly shows up. Tragedy strikes. And someone is watching her every move. Now Raylee will face a frightening ... Read more

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Free: Escape to Osprey Cove

The mystery begins with an unusual find in the secret compartment of Doug’s new Corvette. It will change his and Catherine’s life forever, forcing her to find escape at The Osprey Cove Lodge. Free on Kindle.... Read more

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Summer Snoops and Cozy Crimes

Have a howlingly good read during the dog days of summer with a dozen cozy mysteries from Wall Street Journal, USA Today and Amazon best-selling authors. Murder lurks in every corner during the dog days of summer. Solve the mystery as our snoops leash the criminals – at the beach, at the farm, on the ... Read more

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Dragons in the Sjy

Stanley Sauerwein

Tesla has hidden the secret formula to a new super weapon. Lost for generations, discovery of its existence draws the United States and Russia into a pulse-pounding race to see who will find the secret first. John Mason. A clutzy Canadian CSIS operative, is caught in the blood-thirsty hunt. He knows if the weapon is ... Read more

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The Medlevian Protocol

In a time when secrets are hard to keep, there is one that has been kept hidden for centuries…the Protocol. While the men charged with protecting this ancient knowledge remain steadfast, there appears upon the landscape a dark-hearted man intent on claiming their knowledge by any means necessary…including murder! $0.99 on Kindle.... Read more

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Eve Lloyd’s A Deadline Cozy Mystery (Box Set)

Sonia Parin

This box set contains five cozy mysteries: Sunny Side Up: Taking a vacation to relaunch her new life, Eve Lloyd finds herself in the thick of a murder investigation with the finger of suspicion pointed her way. Snuffed Out: Eve Lloyd, a death knell? Eve refuses to believe her choice of words had something to ... Read more

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Emma Beware

Michelle Iden

Every so often, betrayal and love go hand in hand. Without a trace, 14yo standout athlete and student, Emma vanishes-times ticking. Four of her friends using cyber-techno skills discover nefarious doings. Will Emma be found in time to celebrate her 15th birthday or will she remain missing? $2.99 on Kindle.... Read more

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Free: The Chinese Woman: Mystery Assassin

FBI Special Agent, Sean McNamara, leads a Joint Task Force to investigate a serial killer who has crossed state lines, but discovering the identity of this killer will create far more problems than it solves. Meanwhile, a Chinese assassin kills two prominent American officials and the FBI implements a countrywide dragnet for the only suspect, ... Read more

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Double Down (The Blackmore Agency Book 1)

When Blaine receives an S.O.S. call from his ex-girlfriend’s mother, he heads to Columbia to find Fabiana. Caught in a drug war between two cartels, the Blackmore team is in way over their heads. In a last-ditch effort, they pull out all the stops, but will it be enough? $1.99 on Kindle.... Read more

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If Nobody Listens

When Paul Bild offers millionaire Jeffrey Hughes a chance to save his sick daughter, he and his firm Anybio are about to get their international breakthrough. Paul has dedicated his life to the fight against multi-resistant bacteria, and Anybio Analytics is the best analysis software on the market. Tom Avild, the programmer behind Anybio Analytics, ... Read more

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Free: Knee Deep

Mac Fortner

Why read Knee Deep? For the fun of it. Cam Derringer is Key West’s Wildest PI. A fast action series.Powerful Women, Wild Turkey, Love, and Danger. Free on Kindle.... Read more

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Free: The Tell All

Life at sixty isn’t quite what Kay Carrera expected. She’s working as a skip-tracer for a PI who is desperate to land his own reality TV show. She has a new roommate who arrived with more than the usual amount of baggage. And her attempts at knitting are less than stellar – way less than ... Read more

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The Freedom Broker

K.J. Howe

Winner of the 2018 International Thriller Writers Award for Best First Novel. “Razor sharp and full of you-are-there authenticity—a superb thriller.” #1 NYT Bestseller, Lee Child $2.99 on Kindle.... Read more

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Resthaven

The last thing Kaylee wants to do is participate in a childish scavenger hunt—especially inside the abandoned retirement home on the edge of town. When she finds a bruised, deaf boy hiding inside one of the rooms, she vows to lead him to safety…only to discover the front doors are now padlocked, and her friends ... Read more

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Free: Love in the Time of Surfing

Author Amy Waeschle deftly explores an emotionally charged landscape of love, loss, and despair—and the risks one woman will take to save a fallen family member. When volcano seismologist Dr. Cassidy Kincaid wraps up her field season on Costa Rica’s most active volcano, she heads to the beach for a rare treat: five days of ... Read more

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Free: Cara’s Asylum

A young, deeply disturbed girl arrives at a mental institution and turns the institution on its head, causing them to question their very being. But for Alec, the intern, this girl becomes a wakeup call, a small distraction that ends up being the light to his dull life. She forces him to open his mind. ... Read more

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Saving Grace

Saving Grace, based on a true story, an Amazon Hot 100 New Release. The courtroom drama of the Victorian Age, everyone had an opinion on who poisoned wealthy banker Charles Petrie with his new bride, Grace, as the prime suspect. Did Grace poison Charles? Saving Grace reveals the shocking truth. $0.99 on Kindle.... Read more

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A Bird in a Hurricane

In Louisiana, the prison per capita capital of the world, prisoners are worth $25 a day in a system where mass incarceration lines the pockets of justice officials. When Paul Theriot returns to Louisiana, he takes on a case that uncovers this corruption and puts him in the crosshairs of those determined to protect the ... Read more

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Free: The Nostradamus Equation

Christopher Cartwright

In 1562, Michel de Nostradamus led a small party on an expedition deep into the hostile Desert of Barbary, now known as the Sahara. Without any knowledge of what they might find, the small party had entered the vast desert in search of a miracle. In the present day, Dr. Zara Delacroix enlists the help ... Read more

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Airliner Down

A holiday season flight to paradise turns into a nightmare when a one-man sleeper cell ignites his plan for revenge. Can a hand full of passengers come through and save the day? Or are they doomed to be a footnote in the war on terror… If you like pulse-pounding reads, you’ll love John Etzil’s turbulent ... Read more

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Ribbons of Death

The Peacetaker myth is just a dusty old legend, so obscure that it might be mentioned once or twice at an equally obscure academic convention of historians and college professors…until a symbolic march in Cairo turns into a deadly riot that leaves hundreds of women and children dead and sends thousands more to hospitals. One ... Read more

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Free: The Fifth Plane

Rick McCormick

“Author Rick McCormick offers a page-turner, a nail-biter, a tale of terror and intrigue so disturbing and upsetting that – full disclosure – it will keep you up at night. For all of its darkness and rage, however, The Fifth Plane is ultimately a tale that affirms life and offers testimony to the resilience of ... Read more

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Peddling Doomsday

Petra Jacob

‘You don’t know how significant you are. We need you.’No matter where she is, Deirdre feels out of place. So when a cult known as the Center contacts her, wanting her to join up, she’s intrigued. They say a terrible war is coming, humanity is in danger and without explaining why she’s needed for the ... Read more

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Free: Lost Shadows: A Novel

Jay awakens from his slumber and discovers a Dystopian world overrun by vicious creatures know as Shadows. He embarks on a dangerous journey to locate a legendary organization of powerful individuals who may hold the key to saving the planet, which is completely lost in darkness. Free on Kindle.... Read more

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The Untimely Death of Lynette Dubois

The First World War hung like an evil black cloud over Europe, there is carnage in the trenches and the death of innocence amongst a generation. Lynette Dubois, a young French girl is found dead in a peaceful clearing near a stream in northern France. Were Royal Flying Corps pilots stationed nearby involved in her ... Read more

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Revelations 12:12

‘Woe to the inhabitors of the earth and of the sea! For the devil is come down unto you, having great wrath, knowing that he has but a short time.’ Revelations 12:12 1968. A young woman in the sleepy town of Sidon is at home, fourteen hours into labour. Uninvited and without warning, a Dr. ... Read more

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When I Grow Up

“You need a plan B,” said Alicia’s mother when at five years old she told her what she wanted to be when she grew up. Thirty-odd years later, Alicia is on plan D: sharing a flat, no tangible savings, and working for hateful Julia, whose sole purpose in life is to make her existence utterly ... Read more

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Portside Screw

Retired PI Jack Cubera just wants to drink beer, fish the flats, and live the simple life of a full-time boat bum. One problem: he’s just discovered his old nemesis—the Key’s most notorious real estate developer—floating tits-up in a weenie bikini in the Islamorada backwaters, landing him high on the suspect list. To clear his ... Read more

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Unspeakable Grudges

A green-as-grass PI cracks the most disturbing murder case in Denver history . . . Delusional and believing he is called by the Lord to sacrifice women to atone for his sins, champion bull rider Clint Barlow wins the buckles, beds the buckle bunnies, and murders women until his life is upended by someone from ... Read more

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Free: End it By the Gun

Kenechukwu Obi

“An ambitious psychological thriller that reads like a fever dream. Tailor-made for fans of Franz Kafka…” – Best Thrillers Strong ambition drives Beck Blades, an aspiring writer from rural Nebraska. Success begins for Beck, but little does he know his female literary agent has an extra plan way beyond representation. Free on Kindle.... Read more

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Girl Gone Ghost

Dawn Husted

A gripping psychological thriller. When her best friend’s body floats ashore Brushy Creek, Sonora is haunted by the corpse-like spirit. The incessant ghost refuses to leave the cheerleader alone. Sonora must risk death and sanity to find her friend’s killer. If she isn’t careful, she’ll be the Creekside Killer’s next victim. — Girl Gone Ghost ... Read more

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Ollie Stratford Cozy Mysteries

N.C. LEWIS

Cozy Mystery Fan Looking for Something Different? Try Texas! Grab this Cozy Mystery five Book Box Set from Author N.C. Lewis’s popular Ollie Stratford Cozy Mysteries series. Enjoy hour upon hour of good, clean, humorous, reading with characters you will grow to love! $0.99 on Kindle.... Read more

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Beasts Shall Reign Over the Earth!

This is a detective horror thriller: Rookie detective Teresa Rodriguez and her senior partner Morgan Jackson set out to investigate deadly dog maulings in NYC, and uncover a plot so deadly, so savage, involving genetic mutant creatures launched into lower Manhattan by a madman, plunging the city into a reign of terror. $0.99 on Kindle.... Read more

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The Fourth Monkey

Se7en meets The Silence of the Lambs in this dark and twisting novel from the author Jeffery Deaver called, “A talented writer with a delightfully devious mind.” “Ingenious.” – James Patterson, #1 International Bestselling Author. $1.99 on Kindle.... Read more

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The Paradise Trees

Someone is watching her… Alicia returns to her childhood home after many years away, but as soon as she arrives, strange, disturbing memories begin to plague her. What happened in her father’s house, all those years ago? She doesn’t know someone is watching and making his plans. To him, she is his lovely Helen – ... Read more

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The Water Hemlock

Four boys are bound together by friendship and loyalty until a tragedy rips them apart. The unspeakable event, which erases their youthful innocence and changes the course of their lives, gradually comes to light as they battle their inner demons. Coming of age in a small town, Curtis finds love, Buckley finds heartache, Danny finds ... Read more

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Origin (The Ligeance Series Book 1)

Origin reveals why history is often one part of an even deeper hidden mystery. From an English manor in 1703, the story crosses an ocean to America, where a shocking decision is made in the crisis of revolution. What was it? Will a new nation be brought to ruin by an unspeakable secret? Why would ... Read more

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