Clinical psychology is one of the most important domains of general psychology. It includes psychopathology, clinical assessment, and many other aspects and it is used in the various institutions in order to improve the mental health of the population or in order to treat certain mental disorders. The book “Clinical psychology” is the result of the extensive research on specific professional literature and it is also a representation of personal observations and practical clinical experience of the author. It is a textbook type and it consists of ten chapters, which represent an integrative approach to psychical life.