Works:
Underground Shadows (Pass Press, New York, 1977)
Underwater Temples, (Pass Press, New York, 1979)
Do Not Defuse, (Pass Press, New York, 1980)
Passport to Eternal Life, (Pass Press, New York, 1990)
Moons of Venus, (Pass Press, New York, 1992)
Temporary Immortality, (Pass Press, New York, 1995)