Author, Writer · 181 titles
O Cair da NoiteBook· 1941Author
The Positronic ManBook· 1992Author
Dying InsideBook· 1972Author
Lord Valentine's CastleBook· 1980Author
LegendsBook· 1998Author
Downward to the EarthBook· 1969Author
The Science Fiction Hall of Fame -- Volume OneBook· 1970Author
The Book of SkullsBook· 1971Author
A Time of ChangesBook· 1971Author
Legends IIBook· 2003Author
NightwingsBook· 1968Author
The World InsideBook· 1971Author