Book excerpt: Mental Health Outcome Measures provides an authoritative review of measurement scales currently available to assess the outcomes of mental health service intervention. The excerpt of summaries by leading writers in the field assess the contributions of scale in areas including mental state examination, quality of life, patient satisfaction, needs assessments, measurement of service cost, global functioning scales, and social disability. These chapters provide a critical appraisal of how far such scales have been shown to be reliable and valid, and provide valuable insights in to their ease of use. This book will provide an invaluable reference manual for those who want to take research on mental health services, and for those who need to interpret this research for policy, planning, and clinical practice.