The third edition of "Signs and Symptoms," edited by Cyril MacBryde and a company of distinguished collaborators, keeps up the high level of performance achieved in earlier editions. I can think of no other book which provides such a wide variety of essays on important clinical matters approached on the basis of symptoms and signs rather than on the basis of mechanisms, body systems, or the more orthodox approach of the textbook. About a third of the book is taken up with manifestations of pain of different kinds in various parts of the body. Then there are chapters on the important medical phenomena, such as cough, hemoptysis, dyspnea, tachycardia, palpitation, hypertension, cyanosis, fever, lymphadenopathy, pathologic bleeding, constipation and diarrhea, anorexia, nausea, vomiting, jaundice, nervousness and fatigue, edema, obesity, undernutrition, dehydration, vertigo and dizziness, syncope, disturbances of consciousness and of muscle movement, and pigmentation. It should not be implied that this