The American Psychiatric Publishing Textbook of Geriatric Psychiatry is an indispensable resource for psychiatric clinicians and trainees charged with assessing, diagnosing, and treating mental disorders in our nation's burgeoning population of older adults, as well as the nurses and other professionals who provide critically important care day to day. Building on the prodigious strengths of previous editions, this revision is the most current, comprehensive, and systematic textbook of geriatric psychiatry available today, and the only one that is DSM-5 concordant. The text's organization is user-friendly and practical, with sections addressing the basic science of geriatric psychiatry, the diagnostic interview in late life, psychiatric disorders in late life, treatment, and special topics. In addition, an array of useful features are included: • The new DSM-5 structure and classifications have been integrated into every chapter, ensuring that readers understand how the changes impact diagnosis and patient care. • Not only do the authors provide up-to-date information on psychiatric disorders, they also contextualize that information for the geriatric population, presenting the latest thinking on the phenomenology, diagnosis, and assessment of late-life mental disorders such as dementia and other neurocognitive disorders, mood disorders, anxiety disorders, and circadian rhythm disorders. • All treatment sections have been thoroughly updated to incorporate the most recent knowledge and research findings on psychotherapeutic, psychopharmacological, and other somatic treatments.• The book offers an impressive set of graphical and illustrative features to help the reader comprehend and retain the material, including outlines, bulleted key points, and tables, as well as lists of essential readings to deepen understanding of complex topics. Widely recognized as the standard in its field, The American Psychiatric Publishing Textbook of Geriatric Psychiatry serves a critical need for clinicians challenged to meet the mental health needs of an aging population.