Tjalf is a typical eight-year-old who has to move to a castle in Brachenfeld with his parents. This castle is haunted. One night he hears noises that lead him to Peter, a ghost boy who is held captive in a mirror. What Tjalf does not suspect is that he is to blame for the liberation of a poltergeist, who then goes about mischief ...

He expressly describes himself as a hobby author. Since his youth he has been writing many ideas. He has been publishing books since 2013. The area of ​​interest lies in both fantasy / mystery and children's books.