Abstract The purpose of this book is to lift the curtain on the amazing multidimensional reality in which we all live, to show how it interacts with the familiar world, influences our personal destinies and the course of human history. It describes the hierarchy of subtle worlds associated with our planet, their inhabitants, and cartography. Modern and ancient ideas about the nature of vital energy, altered states of consciousness (ASC) are outlined. Along with this, methods of preparation, immersion and work in ASC, designed for modern people, are given, problems of protection from psychomanipulation and possession are considered. A variety of ancient and modern psychoenergetic devices are described, including computer systems for scanning information fields, methods of their manufacture. The material in the book is the fruit of a long study of the esoteric traditions of antiquity, their analysis from the standpoint of modern natural science. All this is aimed at awakening the enormous reserves of our psyche, activating human creative potential, developing beyond one’s abilities - everything that is associated with the further evolution of our civilization and overcoming the crisis.