Clive Staples "Jack" Lewis (29 November 1898 – 22 November 1963), commonly referre to as C. S. Lewis, was a British writer and scholar. Lewis's works are diverse and include medieval literature, Christian apologetics, literary criticism, radio broadcasts, essays on Christianity, and fiction relating to the fight between good and evil. Examples of Lewis's fiction include The Screwtape Letters, The Chronicles of Narnia and The Space Trilogy.