Dan Brown's The Da Vinci Code is a hugely successful novel currently being translated into forty different languages and earning Brown many millions of dollars. It is a book that captivates its readers' attention and leads them on a thrilling story of history, murder, intrigue and religion.Many have found that the way the story hangs together speaks to them in a new way and has changed how they think about Christianity. Television programmes have been aired with people speaking passionately for, and against, the central themes of the book.Prior to his appointment as the Director of the John Owen Centre at London Theological Seminary, Garry Williams taught Church History and Doctrine at Oak Hill Theological College in London, England. Here he answers seven of the key claims raised by Dan Brown's book and points you towards a story even more intriguing - and more firmly based on fact.