Baker (education, U. of Wales at Bangor) presents a comprehensive textbook on bilingualism at individual, group and national levels which covers major issues and controversies about language minorities and bilingual education. The third edition includes minor changes (updates of references, additions of research findings) plus the addition of new and more thoroughly covered topics. These include changes in bilingual education in the U.S.; Dual Language schools; California and Proposition 227; economic advantages of bilingual education; language loss in the world and endangered languages; the politics of language testing, and more. Written for an international audience, and intended to introduce students to a positive world of bilingualism and bilingual education. Annotation c. Book News, Inc., Portland, OR (booknews.com)