This essential work by Prof. Dr. Saleh Hassan Al-Dahri provides a comprehensive exploration of psychological adjustment and its counterparts, behavioral and emotional disorders. The book delves into the theoretical foundations and practical aspects of mental well-being, analyzing the factors that contribute to healthy adjustment versus maladaptive behaviors. It serves as a crucial resource for students and professionals in psychology, education, and social work, offering detailed insights into the diagnosis, causes, and characteristics of various psychological disturbances. The text systematically covers a wide range of topics, making it an indispensable guide for understanding the complexities of human behavior and fostering mental health.