Depression affects between 10-15% of older people, making it the most frequently encountered mental health condition in later life. Despite this, the condition is easily missed in clinical practice or not adequately treated.Part of the Oxford Psychiatry Library, this concise pocketbook provides an accessible account of what depression in older people is like, why it is important, and what treatments help. The text highlights which areas of depression are of special relevance to later life, how to diagnose depression in an older person, the overlap with dementia and various other physical illnesses, and important pharmacological considerations.