This book is a practical guide true psychic and spiritual faculties. Complete and concise. Accessible by its simplicity of writing (not great theorems and incomprehensible terms) it is very pleasant to read, color, each topic is discussed by the author who relates anecdotes to illustrate his point. this is a very good support for novices in search of answers, but also for those more "advanced" who wants a simple and concise book to them. I had the pleasure of meeting Mr. Boutboul who is a man of great humility and simplicity, it exudes a serenity and joy of living that contaminates you. This book looks like him, simple and accessible ...