Author · 58 titles
Commune 2000 A.dBook· 1974
Amazon PlanetBook· 1975
Brain WorldBook· 1978
Code duelloBook· 1968
The case of the little green menBook· 1951
Chaos in LagrangiaBook· 1984
The Best Ye BreedBook· 1978
Galactic Medal of HonorBook· 1976
Tomorrow Might Be DifferentBook· 1975
Space PioneerBook· 1966