The book "Narcissistic and Psychopathic Leaders" by the famous psychologist and writer Samuel Vaknin is a breakthrough scientific study of the personality traits of leaders who have tendencies towards narcissism and psychopathy. The author considers various aspects of these personality disorders, their impact on decision-making, communication with others, as well as on the general dynamics of leadership. Samuel Vaknin demonstrates how to identify and deal with these dangerous personality traits, which can be useful for those who deal with such leaders or wish to improve their level of management. The book "Narcissistic and Psychopathic Leaders" provides a valuable scientific perspective on this current problem of the modern world.