Those of us who are voracious readers can never get our fill. There is always some intriguing new mystery or riveting new thriller to devour, and an endless stream of new releases to add to our reading wish lists.
But sometimes you just crave a classic. These are the books that created the scaffolding for the genres we know and love—and they are just darn good.
Every month, we’re bringing you a selection of free ebooks to read that are perfect for all you timeless sleuths out there—lovers of all things mysterious and thrilling.

The Garston Murder Case
When industrial secrets and a trail of bodies fracture the peace of a palatial English estate, hymn-singing criminal lawyer Joshua Clunk steps in to orchestrate the investigation.
This 1930s Golden Age gem weaves together the perspectives of Scotland Yard, a determined nurse, and local villagers to solve a puzzle where no one—from the high-born to the hired help—is above suspicion.
Riddled in suspense, where every pious note hides a deadly clue, The Garston Murder Case is perfect for fans of intricate vintage mysteries.

The Queen of Spades
Hermann, a disciplined officer with a hidden soul for gambling, becomes dangerously obsessed with a legendary secret: an elderly Countess’s foolproof method for winning at cards. His cold-blooded pursuit leads him to seduce the Countess’s innocent companion, but a midnight confrontation with the aged noblewoman spirals into a fatal tragedy.
In this eerie and atmospheric Russian classic, Hermann soon discovers that some secrets are guarded from beyond the grave, leading to a chilling and uncanny final hand.

The Count of Monte Cristo
On the eve of his wedding, nineteen-year-old Edmond Dantès is betrayed by jealous rivals and condemned to a life of rot in the grim Château d'If fortress.
Following a daring escape and the discovery of a vast hidden fortune, he transforms into the enigmatic Count of Monte Cristo to infiltrate the elite circles of 19th-century Paris.
What follows is a cold-blooded, meticulously plotted masterpiece of revenge as Dantès systematically dismantles the lives of those who stole his future.

The Power-House
When a close friend vanishes into thin air, Sir Edward Leithen's casual concern spirials into a deadly game of cat and mouse with a shadowy global conspiracy.
Operating beyond the reach of the law, the sinister "Power-House" society marks Leithen as a man who knows too much, forcing him into the treacherous London underworld.
Facing an enemy with infinite resources and no moral compass, Leithen must survive a solo mission where one wrong move means a silent, permanent disappearance.
