The third edition of this essential text has been updated and expanded with new material that reflects the most recent developments in the field, and explores our current understanding of a broad range of topics related to aging and older adulthood. Fresh edition includes updated content such as revised case histories and reworked material on key concepts and research applications Retains the winning format of the second edition, with chapter contents framed by individual histories Dual models add cohesiveness to the presentation of theory Thematic structure facilitates reader comprehension Instructor resources provided online upon publication at www.wiley.com/go/erber As improvements in the provision of healthcare result in an aging population in many countries around the world, we must broaden and deepen our understanding of the numerous issues relating to this growing demographic. This key text provides students in a range of related disciplines with an accessible core text that covers a wide range of topics. Beginning with a presentation of the demographic characteristics of older people, the book details the theoretical approaches that apply to the study of adult development and aging, before proceeding to a thematic treatment of core issues such as health, sensation perception, memory, intellect, social interactions, employment and retirement, and mental health. As in previous editions, the chapters are anchored to individual case studies, which have been updated for this edition. Special feature boxes point toward current understanding and research applications; while key points and issues are separately highlighted as a basis for class discussion. This authoritative volume provides the latest insights into, and theoretical interpretation of, our understanding of the human aging process.