Membrane Physiology is a soft-cover book containing portions of Physiology of Membrane Disorders, published in larger, hard-cover form in 1978. The parent volume was divided into five parts, described in detail in the Preface to the hard-cover edition, which is reproduced in this volume. The present version of Membrane Physiology incorporates the first three of these parts, including a section on the Nature of Biological Membranes, a section on Methods for Studying Membranes, and a section on General Problems in Membrane Biology. It is the hope of the Editors that this smaller volume will be...