Contemporary Nephrology : Springer : 9781461281030 : 1461281032 : 04 Oct 2011 : Volume 5 of Contemporary Nephrology summarizes major advances in 15 different areas of nephrology. As in previous volumes the different chapters constitute up­ of the discipline contributed by individuals dates in both basic and clinical aspects with in-depth expertise in their respective areas. We are grateful to the authors for their outstanding contributions to this fifth volume. Drs. Reuss and Cotton review in Chapter 1 new advances in our understanding of water transport in epithelial tissues responsive to antidiuretic hormone. In Chap­ ters 2 and 3 Dr. Knox and Dr. Schoolwerth and their associates summarize respec­ tively new information in the areas of renal hemodynamics and electrolyte excre­ tion, and renal metabolism. Chapter 4, written by Drs. Laski and Kurtzman, updates recent developments in the regulation of acid-base balance in health and disease. Chapter 5, contributed by Drs. Sutton and Cam