practical guide ... very convenient. Parts One and Three more on the history of this treatment and its use in the centuries (briefly), very practical operational part. gives a very clear idea of the cure and what we can do, testimonials illuminate well (especially about the difficulties that may be encountered during treatment, questions ...). all reads quickly (within hours, allowing to come back and come back each time by picking different things. I get out of a 12-day cure. the guide allowed me to me dive with serenity and confidence. efficacy of the treatment is really real. My copy is already in the hands of a friend who starts his cure right now ... to read and re-read for those who want to try the treatment.