Author · 68 titles
11 titles
The War Against the RullBook· 1959
The Mind CageBook· 1957
Planets for SaleBook· 1954
Destination: Universe!Book· 1952
The Weapon Shops of IsherBook· 1951
The Voyage of the Space BeagleBook· 1950
Rogue ShipBook· 1950
Masters of TimeBook· 1950