Further Reading
Hettinga, Donald R. Presenting Madeleine L'Engle. New York: Twayne Publishers, 1993.
L'Engle, Madeleine. A Circle of Quiet. San Francisco: Harper, 1972.
L'Engle, Madeleine. A Wrinkle in Time. New York: Dell Publishing, 1962.
Marecki, Joan E. "Madeleine L'Engle." In Contemporary Authors (New Revision Series), Vol. 21. Detroit: Gale Research Inc., 1987.
Parker, Marygail G. "Madeleine L'Engle." In Dictionary of Literary Biography, Vol. 52. Detroit: Gale Research Inc., 1986.
