A comprehensive guide that delves into the mysteries of the human mind and the fascinating practices that have been developed over centuries to understand and harness its power. The book covers four distinct areas of study - hypnotism, mesmerism, mind-reading, and spiritualism - and explores the history, techniques, and controversies surrounding each of them. The book provides a fascinating and informative overview of these four areas of study, delving into their history, theory, techniques, and controversies. The book is an essential read for anyone interested in the mysteries of the human mind and the fascinating practices that have been developed to explore and harness its power.