To all those who like to see in everything a trace of a plot or conspiracy, read this book. The author, probably one of the greatest scholars of our century, demonstrates with humor, subtlety and erudition so that when he wants to establish a relationship between two facts we always succeeds. And in doing so, through a detective story that deserves exceeds the first 80 pages too arduous, no doubt, we learn, we grow, and we want to read all about whatever book evokes: kabbhale , Templars, Rosicrucians, Assassins, etc ... A fantasy novel, undoubtedly complex, but so exciting ...