Drawing together linguists' and psychologists' approaches to the study of bilingualism, this innovative and engaging volume provides students with a firm grounding in bilingual acquisition and development. It begins with a discussion of sequential and simultaneous bilinguals, illustrated by a wealth of case studies and examples, and the key theories surrounding bilingual development. The book subsequently explores topics such as bilingual speech perception, sound, lexical and morpho-syntactic development, cognitive processing and metalinguistic awareness.Introduction to Bilingualism is an essential companion for undergraduate and postgraduate students of applied linguistics, psycholinguistics, speech and language therapy and language education.>