Author · 26 titles
The World of Null-ABook· 1945
The Weapon Shops of IsherBook· 1951
The Voyage of the Space BeagleBook· 1950
The Players of Null-ABook· 1948
The Weapon MakersBook· 1947
The SilkieBook· 1969
Destination: Universe!Book· 1952
The Darkness on DiamondiaBook· 1972
The War Against the RullBook· 1959
The Mind CageBook· 1957
PendulumBook· 1978
Children of TomorrowBook· 1970