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 Triangle
Captain Beval owes his life to Coralie, a mysterious nurse now marked for danger. As threats close in, only one man can untangle the truth—Arsène Lupin.
In a daring comeback, the legendary gentleman thief dives into a case of missing gold, murder, and secrets that tie Beval and Coralie to a deadly conspiracy.
Will Lupin’s boldest plan yet be enough to save them all?

The Flying Squad
Li Yoseph lives in a dilapidated cottage by the creek, speaking animatedly to unseen companions in strange languages—yet everyone whispers that his wealth stretches far beyond his shabby home.
When a body surfaces in the Thames and Scotland Yard’s Inspector Bradley is framed, Bradley must untangle the truth behind Yoseph’s eerie ramblings and the darker crimes lurking beneath a smuggling scandal.

The Unique Hamlet
A man walks down Baker Street to 221B, his bulging pockets and wild eyes betraying panic—Holmes immediately recognizes him as a rare-book collector seeking help to recover a missing treasure.
But when the lost item turns out to be a Shakespeare–inscribed first folio of Hamlet, even Holmes is stunned—and soon uncovers that book lovers can be as ruthless and cunning as any stage villain.
Join Holmes and Watson as they navigate a perilous world of bibliophiles, treachery, and a priceless literary prize.

The Dead Letter
A tangled love affair ends in murder when Henry Moreland is found dead near his fiancée’s family home, and all eyes turn to her distraught suitor, Richard Redfield.
Racing against suspicion and political unrest in Reconstruction-era New York, Redfield enlists famed detective Mr. Burton—only to discover a web of secrets and betrayals more twisted than he ever imagined.