Beyond 'The Da Vinci Code': What is the Priory of Sion?, di Massimo Introvigne

Well I've just finished reading the da vinci code, a rather entertaining read by Dan Brown. The book certainly started out well but seemed to lose steam in the second half as the story got more and more ridiculous and the characters lost their intelligence. Wanting to know more I looked up some things on the net and here is a rather interesting look at the truth (maybe) about the Priory of Sion.