A book keeps its promises after Completion. The first part of the book is made with 2 stories, short chapters, a dive in the well-written time, a detailed documentation of this disturbing character that is Nicole Flamel (also appreciates the annexes). For the second part Ravenna and Giacometti rajoutent us new data, a regular newsletter on the court of the Gold and the mysterious organization Aurora. This little world, which apparently has no common point, it joined brilliantly to an end in the most 'beautiful city' of the world (requires chauvinism). But before that they will have made us travel in New York in particular with a very special visit to some monuments. A marked route, a kind of treasure hunt, puzzles, chases, Marcas a great form, more and more substantial, I would even serene, finally as quon can Letre in front of this "Blood Brother" who kill and become a divine mission.