Lois N. Magner, A History of Medicine, 2nd ed. (2005), covers medical history from its beginnings to modern times. Mark H. Swartz, Textbook of Physical Diagnosis: History and Examination, 5th ed. (2005), an excellent illustrated text, covers the techniques of physical diagnosis. Paul Ekman and Wallace V. Friesen, Unmasking the Face: A Guide to Recognizing Emotions from Facial Clues (1975, reprinted 1984), is a classic text in facial expression and emotion that uses composite photographs to show the importance of such areas as the brow, eyes, or mouth. American Psychiatric Association, Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR, 4th ed. (2000), the standard reference, contains the diagnostic criteria for mental diseases as determined by the American Psychiatric Association. Paul Cutler, Problem Solving in Clinical Medicine: From Data to Diagnosis, 3rd ed. (1998), covers the fundamentals of problem solving and includes many examples. An unusual reference containing technical information not found in standard medical dictionaries is James L. Bennington, Dictionary & Encyclopedia of Laboratory Medicine and Technology (1984). Robert E. Rakel, Textbook of Family Practice, 6th ed. (2001), is the standard textbook for family physicians covering the breadth of the discipline and emphasizing clinical diagnosis and treatment. A handy pocket reference presented in outline format containing diagnostic essentials for most medical conditions is David C. Dugdale and Mickey S. Eisenberg, Medical Diagnostics (1992). Annually an issue of JAMA, the journal of the American Medical Association, is devoted to recent discoveries in every medical discipline and is an excellent source of up-to-date information on new developments in medicine. Current Medical Diagnosis & Treatment (annual) contains concise diagnostic information and treatment for a large number of medical diseases. James B. Wyngaarden, Lloyd J. Smith, Jr., and J. Claude Bennett, Cecil Textbook of Medicine, 23rd ed. (2007), is one of the best standard textbooks of medicine, compiled by leading authorities and containing thorough information on common and rare diseases. Robert Rakel (ed.), Saunders Manual of Medical Practice, 2nd ed. (2000), summarizes a broad range of common conditions encountered by family physicians.