In case you've been living under a rock and haven't heard, Dan Brown’s thriller The Da Vinci Code is now a major movie. Both book and film have created unprecedented controversy, with their plots of conspiracy and revelation over the bloodline of Christ and the legend of the Holy Grail. This Rough Guide explores the world of The Da Vinci Code, including:

• The true history of the Holy Grail and the Priory of Sion, and the debate on Mary Magdalene and the bloodline of Christ.
• What art historians make of Leonardo da Vinci’s symbolism in “The Last Supper” and other works.
• How the early Christian Church 'edited' The Bible, and drew on earlier religions.
• Guides to the book and movie locations in Paris, Rome, Jerusalem, New York, London and Edinburgh.
• Reviews of The Da Vinci Code sources and a glossary of everything from the Templars to the Fibonacci Sequence.

Whatever you think of the book, or the movie, this Rough Guide has the key to understanding The Da Vinci Code.