Barrow, Craig and Diana Barrow.

"Piers Anthony." In Twentieth Century Science Fiction Writers. Edited by Curtis C. Smith. 2d ed. Chicago and London: St. James Press, 1986.

Though this essay is short, some attempt is made to themetize about thirty of Anthony's works, series by series when possible.

Biggers, Cliff. "An Interview with Piers Anthony." Science Fiction Review 23 (November 1977): 56-62. Since Anthony rarely gives interviews and tends to live an isolated life in Florida, the Biggers' interview is a rare trip inside Anthony's mind revealing his history, writing ambitions, and environmental concerns.

Nicholls, Peter, ed. The Science Fiction Encyclopedia. Garden City, NY: Doubleday-Dolphin, 1979. This short entry analyzes Anthony's science fiction, although many of his probing fantasies had not appeared when the entry was prepared.

Searles, Baird, Martin Last, Beth Meacham, and Michael Franklin. A Reader's Guide to Science Fiction. New York: Avon, 1979. This mostly focuses...