Author, Writer · 45 titles
Ensinando a ViverFilm· 2007Writer
The man who folded himselfBook· 1973Author
Voyage of the Star WolfBook· 1861Author
When HARLIE Was OneBook· 1972Author
The World of Star TrekBook· 1973Author
YESTERDAY'S CHILDRENBook· 1972Author
Battle for the Planet of the ApesBook· 1973Author
A matter for menBook· 1983Author
HellaBook· 2020Author
Leaping To The StarsBook· 2002Author