This issue of Clinics in Geriatric Medicine, guest edited by Dr. Soo Borson, is devoted to Geriatric Psychiatry. Articles in this issue include: Diagnosis; Providing high quality care for dementia patients and family caregivers; Common psychiatric problems in cognitively impaired patients - causes and management; Partnering with family caregivers; Palliation and end of life care; Geriatric depression; Treatment for depression and evaluating response; Post-traumatic stress in older adults; Sleep disorders; Substance Abuse; Suicide; and Mental Health Services for Older Adults.