Author · 21 titles
A tale of two clocksBook· 1962
The Witches of KarresBook· 1949
The eternal frontiersBook· 1973
Telzey AmberdonBook· 2000
Trigger & FriendsBook· 2001
The Universe Against HerBook· 1964
The Demon BreedBook· 1968
The Lion GameBook· 1973
Agent of VegaBook· 1960