Author, Writer, Original work · 11 titles
Surrender, New YorkBook· 2016Author
The legend of BrokenBook· 2012Author
Domínio: Prequela do ExorcistaFilm· 2005Writer
O Exorcista: O InícioFilm· 2004Original work, Writer
Killing timeBook· 2000Author
The Angel of DarknessBook· 1997Author
The Warlord: Battle for the GalaxyFilm· 1996Writer
Em Busca de ConfusãoFilm· 1991Writer
Casing the promised landBook· 1980Author