I read in the Author's Note that Piers Anthony wrote Phthor because he wanted to get Chthon back into print. As such there was a seven year gap between the writing of the two novels. Perhaps this explains why much of the first half of Phthor has so many explanations and elaborations of the previo...
Chthon is Piers Anthony's first novel, published in 1967. It is a wide-ranging science fiction novel with a plot that takes place on an galactic scale. It is set in the far future, and it features such advanced technologies as faster-than-light space travel and human genetic modification. Chthon ...