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The famous dog detective Sherlock Bones and his cat assistant Dr Catson are going on holiday to Egypt. But even here, an investigation awaits them! Someone has stolen a legendary mask from the pyramid, so Bonz and Catson set out to find it. Is their enemy Moriratti the rat behind the theft? Without your help, it won't be easy for your friends to get out of the mysterious tomb of the pharaoh! Hurry up and open the book and join the investigation!

This adventure book combines a detective story with 25 different maze puzzles, ciphers, spot the difference, and more. The tasks are selected so that children can cope with them independently. With each page, the story becomes more and more interesting!