Books on disorders of speech written by and for physicians are infrequent in the English language. Therefore, books like this, written from the medical point of view, even though they are nontechnical and addressed to the general public, possess a genuine medical significance. The subject of this volume is divided into (1) stammering ("stuttering"); (2) disorders of articulation (incorrectly called "stammering"), and (3) "voice conditions." Except for stammering, here called "stuttering," "cure" is given much more attention than "cause." The discussion of stammering is well worth study. This disorder, according to the authors, is due to a fundamental constitutional neuromental instability, and the peripheral speech disturbance is merely an incidental symptom. So much more important is the emotionality and excitability of the sufferer, compared to the peripheral speech disorder, that many pages are devoted to a detailed analysis of the mental phenomena, while a study of the nature of the