C.S. Lewis is credited with the "conversion" of many a skeptic, with his rational, accessible, yet very orthodox approach to the Christian faith. Seekers and believers worldwide continue to read--and reread--his many works, even creating reading and fan clubs. How well do you know your C.S. Lewis? Take our quiz and find out. Or, find more quizzes and explore Beliefnet's full range of Narnia features.