In These Mysteries, You're The Star.

Every month, Sherlock will assign you a challenging new mystery.

Each week, you'll receive a letter with new clues.

Can you crack the case?

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How Dear Holmes Works

step 1

Monthly Mysteries

Every month you'll take on a challenging new case from one of Sherlock's clients.

step 2

Real Snail Mail

Three clue letters and one solution letter per mystery, mailed right to your door.

step 3

A Global Competition

Compete for the coveted title of Featured Detective (and a special prize).

"Engaging and well-written."

— Wirecutter/ The New York Times

What Crimes Will You Solve?

solve heists from home. cartoon.

Heists

Foil impending heists and figure out the “who” and “how” behind curious disappearances.

solve murders and murder mysteries. cartoon.

Murders

Catch killers, identify phony alibis, and identify the clues that will put them behind bars for good.

Catch crooks and more. cartoon

And Much More

Crack secret codes, solve riddles, and use your deductive skills to catch spies, forgers, and swindlers.

Prefer Audiobooks to Print?

As a Dear Holmes member, you’ll have access to the Dear Holmes members-only podcast via a personal RSS feed.

Within a few days of the arrival of each of your letters, check your podcast app of choice and a professionally narrated recording of your latest letter will be there waiting for you.

Want to practice? You’ll also have access to recordings from past Dear Holmes mysteries.

Listen to a sample episode from a past mystery.

Ready To Start Solving?

Your Victorian-era mysteries await.

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