The Dead Astronaut, Playboy Press, Chicago, Illinois, 1971.
From the "S" File, Playboy Press, Chicago, Illinois, 1971.
Last Train to Limbo, Playboy Press, Chicago, Illinois, 1971.
Transit of Earth, Playboy Press, Chicago, Illinois, 1971.
Playboy Stories, Dutton, New York, 1994. ISBN: 0-525-93735-8