Mannanai Thiruthiye Kalvan

Part of a series of books narrating classic tales from various countries. This particular story is a popular one from Egypt.

When the king hires a builder to construct a room to store his immense riches, the builder's son,Kabil, puts in a secret entrance, in order to steal his treasures. The king realises that someone is stealing from him and comes up with a plan to catch the culprit.