1502 is one of those books that one can not let go until it is finished. This is an exciting thriller. It confronts two methods of investigation, among Leonardo's scientific and literary Nicolas Machiavelli who tries to get into the head of the killer in the manner of a profiler. Yet he will have to help to identify the murderer who kills and coldly cut its unfortunate victims. All this is happening in Italy, during the reign of the Borgias, with its share of war, conspiracy and betrayal. Furthermore, this book is written by an expert on the history and packed with details.