Formerly Fundamentals of Abnormal Psychology, the new edition of Fundamentals of Psychopathology by Ronald Comer and Jonathan Comer offers a comprehensive guide to understanding mental disorders and treatments. Building on the authors’ empathetic and multicultural approach, this edition integrates the latest research, including the impact of the COVID-19 pandemic on mental health, with theoretical models and rich case studies. Fully updated to align with DSM-5-TR standards, this text continues to deliver the insightful and accessible exploration of psychopathology that has earned it the trust of teachers worldwide.