Author, Writer · 24 titles
O Dia Depois de AmanhãFilm· 2004Writer
Estranhos VisitantesFilm· 1989Writer
WardayBook· 1984Author
The Forbidden ZoneBook· 1993Author
The GraysBook· 2006Author
The Coming Global SuperstormBook· 1999Author
The WolfenBook· 1978Author
Unholy FireBook· 1992Author
The Night ChurchBook· 1983Author
Wolf of ShadowsBook· 1985Author