This book authored by José Ramon Ponce is a treasure for anyone interested in the subjects of hypnotism and emotional relaxation. Published in 2013 by Editorial PAX, the book is 192 pages long and has a trade paperback format. The book is in Spanish and is about 9.2 inches long, 6.8 inches wide and 0.5 inches high. The book discusses the history of hypnotism and provides step-by-step guidance for performing hypnosis and emotional relaxation.