I'm interested about for quite some time and yet I learned a lot. There really new and it allows to put the elements of the film in an even broader context: see Pius XI papacy archives for understanding the attitude of the Vatican, the particular case of some Mexican states not affected by the wave of persecution ... or even the revelation of faith Gorostieta. Obviously looking ahead, the better and it helps to understand the movie ... and History. In addition, rich in photos: the real father Vega, the real El Catorce ... Very happy with this reading.