Author, Writer · 29 titles
Inherit the StarsBook· 1977Author
Code of the lifemakerBook· 1983Author
The Proteus operationBook· 1985Author
Giants' StarBook· 1981Author
The Gentle Giants of GanymedeBook· 1978Author
Voyage From YesteryearBook· 1982Author
The Genesis MachineBook· 1978Author
Endgame enigmaBook· 1987Author
Thrice Upon a TimeBook· 1980Author
The Immortality OptionBook· 1995Author
EntoverseBook· 1991Author