Hadley, Eric. "Robert Westall." Twentieth Century Children's Writers. New York: St. Martin's, 1989: 812.

Malachi, McCormick. Cat Tales. New York: Clarkson N. Potter, 1989. This is a collection of folklore tales about cats, illustrating old beliefs and superstitions about cats worldwide.

Richard, Patrick. All Color Book of Egyptian Mythology. London: Octopus, 1972. A concise but complete discussion of Egyptian mythology and the individual deities.

"Robert Westall." Contemporary Literary Criticism. Vol. 17. Detroit: Gale, 1981.

This is a discussion of Westall's writings.