Augmentative & Alternative Communication: Supporting Children and Adults with Complex Communication Needs, Fifth Edition, by David R. Beukelman Ph.D. (Editor), offers an authoritative introduction to AAC interventions and technologies. This updated edition, enhanced by contributions from distinguished experts, provides comprehensive coverage of essential topics, including new chapters on critical areas and practical insights into how AAC systems function. The book features valuable perspectives from individuals who use AAC and illustrative case examples that highlight key principles. With over 700 pages of content, this text is ideal for future service providers, offering in-depth exploration and study questions to aid understanding. New online companion materials further enrich the learning experience, making it a definitive resource for preparing professionals to support communicative competence and quality of life for those with complex communication needs.