The content of the book goes beyond speculative theory to present a wealth of scientific research currently under way in this expanding field. It also describes numerous promising methods now being deployed in the quest for scientific knowledge of the elusive, yet critical, phenomenon of personal wisdom. The book is an excellent introduction to the field for novice researchers as well as a stimulating and enlightening resource for established experts. Its broad appeal makes it a vital addition to the libraries of academics and practitioners in many disciplines, from developmental psychology to gerontology and from philosophy to contemplative religious traditions such as Buddhism.