These two volumes contain a thorough discussion of the nature of trigger points and their electrodiagnostic characteristics. They describe the important interfaces between myofascial pain syndromes, articular dysfunctions and fibromyalgia. The Second Edition, Volume 1 covers the upper half of the body. Hard cover, 1038 pages. By David G. Simons, MD, Janet G. Travell, MD and Lois S. Simons, PT. Volume 2 covers the lower extremities. Hard cover, 626 pages. By Janet G. Travell, MD and David G. Simons, M.D. Both volumes have illustrations by Barbara D. Cummings.