274 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS hydrophilic moiety of most nonionic sur- factants. During the last two decades, nonionic surfactants have found more and more ap- plications in many industries. In the same time, much progress has been made in understanding the physicochemical prop- erties of nonionic surfactants in solution as well as at interfaces. This book provides a timely review of these advances. There are some 2500 references cited, with the latest citations from 1986. Every facet of the physical chemistry of nonionic surfactants is covered. The con- tents of each chapter are clearly outlined at the beginning of that chapter. There are over 500 tables, diagrams, and photo- graphs which contain a huge amount of research results and up-to-date informa- tion. The book is complete with detailed subject and author indexes at the end. It is a pleasure reading this book. It is very well organized and well written. Al- though it was written by many authors (there are a total of 29 contributing au- thors), the style, terminology, and formal- ism have been kept quite consistent throughout. The editor, Dr. Martin Schick, should be congratulated for his successful effort. Undoubtedly, this book will be a very valuable addition to the bookshelves of all scientists working with surfactants.--KUO-YANN LAI--Col- gate-Palmolive Company.