Author, Writer, Original work · 14 titles
The 13½ Lives of Captain BluebearBook· 1999Author
Die Stadt der Träumenden BücherBook· 2004Author
Kleines Arschloch - Der FilmFilm· 1997Writer, Original work
Rumo and His Miraculous AdventuresBook· 2003Author
The Labyrinth of Dreaming BooksBook· 2011Author
Das kleine Arschloch und der alte Sack - Sterben ist ScheißeFilm· 2006Writer, Original work
Princess Insomnia & the Nightmare-colored Night-mareBook· 2017Author
A Wild Ride Through the NightBook· 2001Author
QwertBook· 2025Author
The Alchemaster's ApprenticeBook· 2007Author
Käpt’n Blaubär – Der FilmFilm· 1999Writer