The Mystery Letters · Detective applications

Two short questions, then the post does the rest.

Case 01, The Vanishing Moonstone, is dispatched first. A new mystery follows with every delivery.

Step one · Choose a membership

Detective

One mystery a month. Cancel whenever you like.

£12billed monthly

£12 a month

One illustrated case per month
Clues, suspect cards and a secret code
Addressed personally to your detective
Pause or cancel any time

Most chosen

Senior Detective

Three mysteries at once. The usual choice.

£33billed every 3 months

£11 a month

Everything in Detective
An official Society membership card
A wax-sealed envelope every dispatch
Save £3 across the quarter

Chief Inspector

A full year of cases, one after another.

£120billed once a year

£10 a month

Everything in Senior Detective
Founding detective badge, hand-numbered
A bonus case from the Society archive
Save £24 across the year

Step two · The detective’s nameWho should the envelope be addressed to?

A first name or a nickname is plenty — please don’t include a surname. The delivery address and your own contact details are collected on the next screen.

Secure Stripe checkout. Pause or cancel any time.