The book is dedicated to the most mysterious phenomenon of human consciousness - spiritual experience, which served as a source of inspiration for all religious and esoteric teachings of the world. What happens to our “I” during this extraordinary experience? How does it transform our lives? What gifts and pitfalls await a pilgrim to the Beyond, and how did the great mentors of humanity greet them? The reader will find answers to these questions on the pages of the presented guide to the world of mystical experience, replete with vivid examples of revelations from the lives of famous mystics, spiritual teachers and saints of various traditions. Regardless of whether the reader follows any teaching or goes through his own unique path, he will certainly find in this book there is something that will be in tune with him. For spiritual seekers and those who have already “found” the book will serve as a kind of map with which they can compare their route and personal experience of knowing God and the true self.