Abnormal Psychology, 11th Edition is a comprehensive textbook covering abnormal psychology, psychopathology, psychological disorders, clinical assessment, diagnosis, treatment, and mental health research. The book examines abnormal behavior from biological, psychological, social, and cultural perspectives, helping students understand the causes, symptoms, classification, and treatment of major psychological disorders while connecting theory with contemporary research and clinical examples.

Designed for psychology students, counseling students, mental health learners, educators, and university students, the book covers anxiety disorders, depressive and bipolar disorders, trauma-related disorders, schizophrenia, personality disorders, eating disorders, substance-related disorders, neurodevelopmental conditions, psychological assessment, and evidence-based therapies. Its strong clinical and research-based approach makes it a valuable resource for abnormal psychology coursework, exam preparation, clinical psychology study, and developing a deeper understanding of mental health and psychopathology.