This book presents the most important, most effective and powerful models and techniques, many written by their original developers. It is a valuable, unique resource, primarily for professionals and practitioners. It provides both theoretical and practical technique information. But it is probably not the best book for the average layman wanting to deal with stress more effectively. Laymen (and professionals) should consider the Relaxation and Stress Workbook, in that case. But professionals will want the Lehrer Woolfolk, compilation because of the detailed theoretical grounding provided for the techniques, which include Autogenic training, Clinically Standardized meditation, Progressive muscle relaxation, biofeedback. And many more.
I can't emphasize enough that these are not just chapters written by anyone. This is the "Woodstock" of stress theory and practice books, with chapters by the "stars" of the field.