Anthony, Piers. Phthor Piers Anthony. - [Philadelphia] : Xlibris, [2000], c1975. - 206 p. ; 22 cm. Sequel to: Chthon. ISBN: 0738811521 073881153X (pbk.) LCCN: 99091843 Index Terms--Genre/Form: Science fiction. LC Class. No.: PS3551.N73 / P47 2000 Dewey Class. No.: 813.54 ANT 1975