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 Golden Slipper
When a wealthy businessman is found dead in his study, Detective Gryce must navigate a web of high-society suspects and buried secrets to prove a murder has been committed. With the help of the sharp-witted Violet Strange, the investigation hinges on a single missing bullet and a mysterious golden slipper that holds the key to the truth.
This classic whodunit from the "Mother of Detective Fiction" is a twist-filled journey through deception that will keep you guessing until the final page.

The Haunted Hotel
In this 19th-century web of grisly premonitions and sudden deaths, a doctor and a worried wife find their separate mysteries converging on a mouldering Venetian palazzo.
To uncover the truth behind a series of interconnected disappearances, you must dare to spend the night in the ill-fated Room 14.

The Clue of the Twisted Candle
When renowned mystery writer John Lexman is sent to prison, he finds himself trapped in a 19th-century plot more devious than his own thrillers. It's now up to his friend, the urbane T.X. Meredith of Scotland Yard, to navigate a world of high-stakes deception and prove Lexman’s innocence.
This locked-room mystery by master storyteller Edgar Wallace delivers a classic whodunit where the creator of puzzles is left to solve the ultimate real-life riddle.

Fire-Tongue
In the fog-shrouded streets of 19th-century London, a lethal new force known as "Fire-Tongue" stalks the shadows, leaving a trail of mysterious death in its wake.
Psychic detective Paul Harley must venture into the macabre to investigate a conspiracy that blurs the line between the natural and the supernatural.
From the author of the Fu Manchu series, this classic thriller delivers a high-stakes hunt through a city gripped by atmospheric dread.
