An original book by Rhaidin Here is a quick summary of the book: Louvre curator and Priory of Sion Grand Master Jacques Saunière is fatally shot one night at the museum by a man named Silas, who is working on behalf of someone known only as the Teacher, who wishes to discover the location of the "keystone," an item crucial to the search for the Holy Grail. After Saunière's body is discovered in the pose of the Vitruvian Man, the police summon Harvard Professor Robert Langdon, who is in town on business. Police Captain Bezu Fache tells him that he was summoned to help the police decode the cryptic message Saunière left during the final minutes of his life. The note also includes a Fibonacci sequence, left as a code. Langdo