Author, Original work, Writer · 123 titles
Jornada nas Estrelas: O FilmeFilm· 1979Original work, Writer
To the Vanishing PointBook· 1988Author
The man who used the universeBook· 1983Author
Alien - A NovelBook· 1979Author
Orphan StarBook· 1977Author
AlienBook· 1979Author
The End of the MatterBook· 1977Author
AlienBook· 1979Author
BloodhypeBook· 1973Author
Mid-FlinxBook· 1995Author