The leadership landscape has begun to shift. Researchers have started to realize that previous conceptualizations of leadership that focus only on the positive aspects of leadership are too narrow and may represent a romantic notion of leadership. A growing body of inquiry has emerged with a focus on the darker side of leadership. Allowing for the possibility that leaders can also do harm, either intentionally or unintentionally, broadens the scope of leadership studies and serves to increase the practical implications of leadership research. This book brings together contributions by scholars from several different countries addressing topics such as narcissistic and destructive leadership, ethical leadership and leader errors.