Your free case file

Micro Case 01 · 1–3 minutes

The Sum That Doesn't Add Up

A bookshop short story contest, three judges and a final score that doesn't quite add up. Print the case file, find what's wrong and only then open the solution.

Print at 100% on the paper you use: A4 or US Letter. Every clue works in black and white.

English edition

US Letter

⬇ Case file⬇ Solution

A4

⬇ Case file⬇ Solution

Edición en español

A4

⬇ Caso⬇ Solución

US Letter

⬇ Caso⬇ Solución


Enjoyed it? Case #00 is a full 5-minute investigation with suspects, a sales log and a delivery note.

Open Case #00 →

“The obvious is a good place to start. It's hardly ever where you end up.” — C.C.