This inexpensively published book, written by a wise and well-known nephrologist, is a useful compendium of hard-to-obtain statistics, history, references, theoretical and practical considerations specifically related to pediatric kidney diseases. The volume is composed of a series of reviews of varying length and depth, some of which are busy rather than informative. Perhaps in an attempt to give the series of brief chapters some coherence, a rather conversational tone has been adopted from time to time, as if some of the chapters were dictated and not revised for uniform style. The data, many of the references, and some of the technical approaches to diagnosis are from previous generations of medical practice. The classical and exemplary content of many cases and references does not vitiate their importance or usefulness, but one has the feeling that file drawers are being emptied, issue by issue, so that every conceivable problem within the limits