The paper ritual
Open the case through letters, maps, and purposeful evidence. The briefing shows how digital materials become a considered file for the desk.
Recorded / spoiler-safe
Letter Mysteries / free recorded case briefing
Watch a calm, recorded walkthrough of an interactive fair-play case. See how letters, clues, evidence, and a private Case Room turn a digital experience into six months of reading and deduction.
After registration, choose “Watch the briefing” to open the recording in a new tab. The viewing host may ask for its own registration.
The public premise stays spoiler-safe. The briefing explains the experience before the later file opens.

What you will see
The recorded briefing is made for curious readers and thoughtful gift buyers. It shows the shape of the experience without asking you to solve anything on the page.
Open the case through letters, maps, and purposeful evidence. The briefing shows how digital materials become a considered file for the desk.
Compare accounts, test the details, and keep your theory open. The clues needed to reason toward an accusation belong to the case.
See how the private Case Room holds one complete monthly despatch at a time, giving the story room to build without revealing the later file.
For readers and gift buyers
The briefing explains how the gift route works, from the first invitation to the monthly Case Room handoff. The experience is delivered digitally, with print-at-home materials for readers who want a physical file on the desk.
Watch first, decide in your own time, and keep the later letters sealed until the case is ready for them.