Attention, mystery and thriller enthusiasts: the hunt (for a deal) is on!
Whether you’re a seasoned sleuth or a fan of heart-pounding twists, October's lineup of discounted ebooks is here to satisfy your cravings.
From genre-defining classics to gripping tales that keep you guessing, these stories are a treasure trove for readers who can never get enough of the thrilling and mysterious.
Dive in and uncover your next favorite page-turner—your bookshelf will thank you!
Here are eight mystery and thriller books on sale for the entire month of October—but don’t wait if something catches your eye.
These deals expire at the end of the month.

A Dram of Poison
On Sale $
1.99
After years of a quietly dull existence, a middle-aged professor finally gets married—only to learn the deadly power of jealousy. His new wife becomes smitten with their landlord, a handsome young chemical engineer, Paul.
Gibson wants to let her go, but he cannot bear to be parted with the first love he has ever known. In Paul’s house is a case of poison, and this lethal love triangle is bound to end in death.

Peril Is My Pay

On Sale $
1.99
Back in college, Kyle Ryder shattered athletic records without breaking a sweat. Now, his focus is on seduction. This Olympic-caliber javelin thrower has fallen head-over-heels for Hilda, a stunning Czechoslovakian "Amazon" who prefers the discus.
With the Rome Summer Olympics looming, Kyle's father hires private detective Chester Drum to tail his son. The father can tolerate the romance, but he's deeply worried about Hilda's Soviet handlers.

Under the Eye of God

On Sale $
1.99
Beloved former NYC Mayor Isaac Sidel, famous for fighting street crime with a Glock and vanishing for months, joins a presidential ticket and helps secure a landslide victory.
However, his wildly popular, crime-fighting antics quickly overshadow the President-elect, who soon banishes the Vice President-elect to the political graveyard of Texas.
Now, facing rogue astrologers and a clueless assassin in the Lone Star State, Sidel must outwit chaos to survive his term.

The Mortal Nuts
On Sale $
1.99
A funny, fast-paced, exhilarating thriller that follows seventy-three-year-old Alex Speeter, a cross-country poker player as he takes one final gamble.
When a pair of crooks begins preying on his life savings, Alex is left with more than one hand to play—and the loser pays with their life.

Treason in the Secret City
On Sale $
2.99
A World War II mystery set in Tennessee, following research chemist and amateur sleuth Libby Clark in her relentless pursuit of the truth, no matter where it takes her.
She quickly finds herself caught in the crossfire of a dangerous web of spies, traitors, and conspirators—if she can’t unveil the killer spy, she risks becoming the newest victim in a trail of lethality.

The Firebird's Feather

On Sale $
2.99
A sheltered young woman postpones her entry into Edwardian society to solve the untimely demise of her mother...
But as Kitty sets out to uncover the truth and wonders exactly whom she can trust, she learns that the household in which she lives harbors a number of dangerous secrets.

Triple Slay
On Sale $
1.99
Mari Barstow had it all. The looks, the voice, the talent—she was destined for stardom.
When Mari goes missing a few days before her career-altering TV spectacular, detective Steve Conacher follows a dazzling trail of glitter, glamour, bodies, and blood to track her down.

The Luminous Heart of Jonah S.
On Sale $
2.99
The Soleyman family has been tormented for decades by a crafty financier who has futilely claimed to be an heir to their fortune. Now, their nemesis has nearly achieved his goal—until he suddenly turns up dead.
Anchored within the Iranian-Jewish community of LA, this thrilling murder-mystery promises a riveting journey lathered in questions of prejudice, trauma, and love.
For more great book deals, visit Murder & Mayhem's daily deals page below.
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