Author, Writer, Creator, Original work · 16 titles
ContatoFilm· 1997Writer, Original work
ContactBook· 1985Author
The Demon-Haunted WorldBook· 1995Author
CosmosSeries· 1980Writer, Creator
Os dragões do ÉdenBook· 1977Author
CosmosBook· 1980Author
Pale Blue DotBook· 1994Author
WanderersFilm· 2014Writer
CometBook· 1985Author