Clouse has acquired a competitor: Another detective appears in his neighborhood and starts taking jobs right out of his hands. He wants to be called King, the king. And he thinks he is the best in the world. Clouse, of course, will not sit idly by. The neighborhood is not big enough for two detectives! There will be a duel. To see which of the two is the best...

An exciting series for young readers, featuring a nine-year-old boy who has nothing to envy from the heroes of classic detective novels.

The series was awarded the Hansjorg-Martin-Preis in 2006, the most important German award for authors of children's and youth detective books.