The fifth edition of this bestselling book provides a comprehensive introduction to bilingualism & bilingual education. In a compact & clear style its 19 chapters cover all the crucial issues in bilingualism at individual group & national levels. These include: * defining who is bilingual & multilingual * testing language abilities & language use * languages in communities & minority groups * endangered languages * language planning language revival * the development of bilingualism in infancy & childhood * bilingualism in the family * age & language learning * adult language learning * bilinguals thinking skills * bilingualism & the brain * theories of bilingualism * types of bilingual education * heritage language education * evaluations of bilingual education * minority language literacy * biliteracy & multiliteracies * effective teaching & learning methods in bilingual classrooms * the effectiveness of bilingual education in the United States * the history of bilingual education in the United States * language minority underachievement * bilingual special education * the assessment of language minority children * Deaf bilinguals * the spread of English as a global language * learning English as a second or third language * language identity & multiple identities * the politics surrounding language minorities & bilingual education * assimilation & pluralism * bilingualism & employment * bilingualism & the internet