The story behind the viral meme. We have all seen the post. It begins, "C. S. Lewis on Reasoning to Atheism". How should we assess Lewis's "Argument from Reason"? This book provides the answers while thoroughly analyzing several versions of the argument. You will learn: •\tHow to identify the key words. •\tHow to uncover the unstated assumptions. •\tHow the original argument came to be "out of print". The book ultimately rejects Lewis's argument.