Author · 106 titles
GatewayBook· 1976
Man PlusBook· 1976
Beyond the Blue Event HorizonBook· 1980
The Space MerchantsBook· 1952
Heechee RendezvousBook· 1984
The Day the Martians CameBook· 1988
The Annals of the HeecheeBook· 1987
The Last TheoremBook· 2008
JemBook· 1979
The Age of the PussyfootBook· 1969
The World at the End of TimeBook· 1990
WolfbaneBook· 1959