A remarkable book. As usual, the author uses experiences to explain what these geometric shapes created by repeated thoughts of obsessive style. In the center pages, Anne Givaudan and Antoine Achram illustrated how these forms are connected to the human body through the layers of the aura. We knew psychosomatic, but here we have an energy and psychological explanation of the phenomenon by the splitting of the astral body. The journey leads into the Anne lower astral, following a negative thought forms turned into egregore, is one of the highlights of this book, worthy of the movie Ghost. Given that this is the impact of our thoughts, our mental states, it is certainly the most important aspect of practice for health, control of his life, while a law metaphysical worlds like the astral. And many details still alive and this spiritual aspect, characteristic of his other works.