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J. Soc. Cosmet. Chem., 39, 000-000 (July/August 1988) Book Review NONIONIC SURFACTANTS-- PHYSICAL CHEMISTRY, Martin J. Schick, Ed., Surfactant Science Series, Volume 23, Marcel Dekker Inc., New York and Basel, 1987. 1135 Pages. Price $195.00 (U.S. and Canada), $234.00 (all other countries). As a physical chemist working with surfactants, I am particularly delighted to see the publication of this book. While two earlier volumes of the Sur- factant Science Series were also devoted to the subject of nonionic surfactants-- Volume 1, Nonionic Surfactants (pub- lished in 1967), covers all aspects of non- ionic surfactants including organic, phys- ical, and analytical chemistry as well as biology Volume 19, Nonionic Surfac- tants-Chemical Analysis, addresses only analytical chemistry of nonionic surfac- tants--the present volume focuses specifi- cally on the physical chemistry of nonionic surfactants. The book consists of 18 chapters written by international authorities in the field. It starts with a discussion of the fundamentals of interfacial phenomena in the first two chapters--surface mono- layer, adsorption and wetting, and how they are affected by nonionic surfactants. The next three chapters deal with the most important solution properties of nonionic surfactants--micelle formation in aqueous media (Chapter 3), in non- aqueous media (Chapter 4), and the ther- modynamics of micelie formation (Chapter 5). This is followed by reviews of solubilization in Chapter 6 and phase be- havior in Chapter 7. Chapters 8, 9, and 10 are devoted to the discussion of emulsions. Chapter 8 provides a comprehensive review of mac- roemulsions--their preparation, testing, applications, and stability, and the role of nonionic surfactants. Chapter 9 introduces two new methods--PIT (phase inversion temperature) and EIP (emulsion inversion point) for more accurate determination of HLB values of nonionic surfactants. Chapter 10 examines the basics of more complex multiple emulsion systems of W/O/W type. Both the static and the dy- namic aspects are discussed. Closely re- lated to emulsions, a systematic and thor- ough review of dispersion stability is pre- sented in Chapter 11. The elucidation of structure and dy- namics of nonionic surfactants in solution has received considerable attention and in- vestigation in recent years. Chapters 12 and 17 are devoted to reviewing this sub- ject, with the former focusing on the low- angle neutron scattering technique and the latter on NMR spectroscopy and other methods. Of special interest to detergent chemists are the two chapters (13 and 14) on detergency and foaming. They are basi- cally updated versions from Volume 1. In practice, nonionic surfactants are typically used in combination with various other materials. It is, therefore, important to understand the interactions of nonionic surfactants with other mate- rials. Chapter 15 presents a review of this subject, with an emphasis on polymer- nonionic surfactant interaction. The remaining two chapters (16 and 18) discuss the configuration, hydrody- namic properties, and stability of the polyoxyethylene chains which form the 273