What happens in religious ecstasy? Is it a fluttering of the pulse, a sudden injection of adrenal fluid, or an inexplicable, ineffable gift? This book begins the quest by translating mystical traditions - from Zen Buddhism to Surfism to Western magic into the language of science.
Charles T. Tart was an American psychologist and parapsychologist known for his psychological work on the nature of consciousness (particularly altered states of consciousness), as one of the founders of the field of transpersonal psychology, and for his research in parapsychology.
They don't make em like this anymore! An excellent review of some of the great mystic traditions, with a focus on practically applying it to your life. If you can find a copy hold onto it...there is likely something in there for you.