The second edition of this excellent treatise on electrocardiography has been revised and reset in a two column format. This change only partly overcomes a common and trying minor annoyance to one studying books of this kind carefully, namely, that the discussion of a tracing often follows a page or two behind its occurrence in the book.
As the authors mention in their preface, more and more physicians, with the ready availability of recording devices, are dabbling in electrocardiography, and unwarranted ideas about the simplicity of interpretation are widespread, the limitations and uncertainties of the method being inadequately stressed. This misconception is carefully emphasized, and another fault of many textbooks, i. e., the tacit assumption that certain basic useful working hypotheses have been established as fact, is avoided. Adherence to these principles produces a book which neophytes will find confusing and difficult but which will reward them richly for careful