This book absorbed in itself the enormous amount of knowledge, methods and techniques from all existent schools on the topic. And yet enormous amount of authorial works from the personal experience, in the plan of acquisition of skill of successful and stable achievement of the внетелесных states. In a book also in detail considered психо- and нейрофизиология of the phenomenon, all his thinnest scientific nuances and aspects. Besides it, functioning is considered in detail consciousnesses are in the different changed modes of perception.