Enlarge / University of Leeds Literary Archivist Sarah Prescott holds "Mód Þrýþe Ne Wæg," by C.S. Lewis. (credit: © CS Lewis Pte Ltd) Renowned British author C.S. Lewis is best known for his Chronicles of Narnia, but Lewis's prolific oeuvre also included a science-fiction trilogy, an allegorical novel, a marvelous retelling of the myth of Cupid and Psyche, various nonfiction works of Christian apologetics, and literary criticism.