Book excerpt: Annotation This book provides a comprehensive introduction to the study of intergroup communication. Chapters apply Social Identity Theory and related perspectives to communication phenomena. Contributions from international scholars describe communication processes across cultures, gender and sexuality, disability, linguistic, and age groups. The important role that intergroup processes play in interpersonal, small group, organizational and mass communication is explicated, along with the implications for communication using new technology. The book will be invaluable for scholars in the areas of communication and intergroup social psychology, and is suited for upper division undergraduate and introductory graduate courses in those areas.