In the five years since the publication of the First Edition, a tremendous amount of research has been conducted attempting to relate macromolecules and behavior. New approaches to the overall problem have developed. Several chapters of the First Edition were not continued in this edition; most of those which were included have been revised thoroughly. A number of chapters by other contributors were invited to help round out the volume. New chapters are those by Glassman and Wilson; Squire and Barondes; Ungar; Jankovic; Hyden and Lange; Koenig; Appel; Rosenzweig, Bennett, and Diamond; and...