One of the most popular introductions to Christian faith ever written, Mere Christianity, has sold millions of copies world-wide. The book brings together C.S. Lewis's legendary broadcast talks of the war years, talks in which he set out simply to "explain and defend the belief that has been common to nearly all Christians at all times. Lewish provides an opportunity for believers and non-believers alike to hear a powerful, rational case for Christianity. It is a collection of scintillating brilliance that remains strikingly fresh for the modern reader and at the same time confirms C.S. Lewis's reputation as one of the leading writers and thinkers of our age.