
The library is dark. A first edition is gone.
24 doors. Hidden numbers. One crime scene.
This is how December works: the numbers hide in the illustration, out of order. Find today’s door, open it, collect the clue. Try it — open every door below to see the full scene.
A4 landscape (21 × 29.7 cm) · 24 perforated doors · comes with “The Suspects” sheet and a sealed “The Solution” envelope.
Six suspects. One thief. Who do you accuse?
Tap a suspect to read their file. Make your accusation now — the truth stays sealed in the envelope until Christmas Eve.
Select a suspect
Every suspect had access to the library that night. Study their files carefully.
How many detectives are on this case?
Siblings, cousins, a book club, a classroom — every extra case file lowers the fee for all of them.
Every reader on your list has a case waiting
Same 24-door ritual, a different obsession. Pick who you’re gifting and follow the red string.
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