4 Free eBooks to Read in January 2025 for Mystery, Thriller, and Crime Fans

Solve crimes with these mystery ebooks—free, this month only.

books on a shelf

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.

Miss Cayley's Adventures

Miss Cayley's Adventures

By Grant Allen

In this thrilling Victorian-era mystery, a bold and resourceful heroine defies the odds to save her true love from a wrongful fate.

Left penniless after her stepfather's death, Lois Cayley uses her ingenuity and determination to carve out an extraordinary life, traveling from London to Egypt, India, and beyond.

Along the way, she encounters vibrant characters and faces daring adventures.

But when the man she loves is accused of fraud, Lois must use all her skills to unravel the truth and protect him, proving herself a true detective in this story of love, courage, and triumph.

The Terrible People

The Terrible People

By Edgar Wallace

In this gripping 1926 mystery, a secret society known as “The Terrible People” unleashes deadly revenge on those who brought murderer Clay Shelton to justice.

When the judge, prosecutor, and executioner all meet violent ends, Inspector Betcher Long realizes his turn is near.

But how do you stop a sinister conspiracy seemingly orchestrated from beyond the grave?

The Barrakee Mystery

The Barrakee Mystery

By Arthur W. Upfield

Set in 1929, this international mystery classic follows half-Indigenous detective Napoleon “Bony” Bonaparte as he investigates the murder of an Indigenous man at a remote Australian sheep station.

With his keen intellect, expert tracking skills, and ability to bridge cultural divides, Bony races through the rugged bushland to uncover the truth and catch a killer.

The Big Bow Mystery

The Big Bow Mystery

By Israel Zangwill

In the first-ever locked-room mystery, a philanthropist dedicated to aiding London’s poor is found with his throat slit in a room locked from the inside.

Former inspector George Grodman teams up with his rival from Scotland Yard to unravel a tangled web of lies, betrayals, and political intrigue in a case that inspired the greats of the genre.