Possible to Rue
Piers Anthony
Quinquepedalian
Chthon
Aton/Piers Anthony's Worlds of Chthon (1)
Prostho Plus
Dr. Dillingham (1)
Battle Circle
Battle Circle (1)
SOS the Rope
The Ring
Piers Anthony & Robert E. Margroff
Omnivore
Of Man and Manta (1)
Macroscope
Hasan