Julian Press, the author and artist of this book, has been creating his unusual detective stories for many years and has gained extraordinary popularity not only in Germany but around the world. In his detective stories, every reader has the opportunity to become a real detective and investigate alongside the heroes of these thrilling adventures. On each page, you need to solve a puzzle – decode a message, find a clue, track down a suspect, compare facts, and unravel the criminals' next actions. A book for younger and middle school-aged children.