The author, himself a scientist, began to spontaneously have out-of-body experiences (OBE’s) in 1958. Employing scientific method and with the assistance of his medical doctors, Monroe studied the phenomenon, eventually learning to control it and use it productively. He compiled his notes and experiences and narrates the story here. This book, along with two subsequent volumes, “Far Journeys” and “Ultimate Journeys”, get really interesting when considered in light of Brian Greene’s writings on String Theory and multiverses. Any reader with an open mind will find peace and lose any fear of death in these volumes.