List of the best C. S. Lewis books, ranked by voracious readers in the Ranker community. With commercial success and critical acclaim, there's no doubt that C. S. Lewis is one of the most popular authors of the last 100 years. Known mostly for his Chronicles of Narnia series, C.S Lewis is easily considered one of the greatest fantasy authors of all time. If you're a huge fan of his work, then vote on your favorite novels below and make your opinion count. This poll is also a great resource for new fans of C. S. Lewis who want to know which novels they should start reading first. With memorable characters and excellent storytelling, there's no reason why you shouldn't check out his work if you're a big reader.This list below has a variety of books, like The Lion, the Witch and the Wardrobe and The Screwtape Letters, in it. What are C. S. Lewis's best novels? Vote on this list and help us definitively answer that question.