Moroi (chemistry, Kyushu U., Fukuoka, Japan) details, and to some degree defends, his theories on micelles, structures that serve as bridges between microscopic and macroscopic chemical species in colloids, polymers, semiconductors, liquid crystals, membranes, and vesicles. His mass-action model has been criticized in favor of the phase-separation model, which he says is on easy explanation, but neglects the facts. Annotation c. Book News, Inc., Portland, OR (booknews.com)