Gabriel Allon, art restorer and sometime agent for Mossad has yet another challenging assignment. His friend, Benjamin Stern is assassinated in Munich and Gabriel is called upon to find the assassin. The chase begins in Munich and continues to Venice, Rome, Paris, and Switzerland. Involved in this mystery are high echelons of the Vatican, the Italian and Israel secret services and documents datig back to World War II. In the search for the assassin Gabriel has to help prevent the assassination of the Pope. As all of Daniel Silva's novels, this one begins at a fast pace and never slows down. It is definitely a book that you will not be able to put down until you finish it.