The types of books that leaders liked to read varied from person to person, but they usually had some common interests and preferences. Some leaders may prefer books on leadership, management, psychology, success, etc. because they want to improve their management skills and charm to better lead their team and subordinates. Other leaders may prefer books on history, philosophy, literature, etc. because they want to know more about the history and culture of the world and human beings so as to better understand their own environment and social environment. Some leaders might prefer to read professional books related to their field to better understand the latest research and development in their field. The types of books that leaders liked to read varied according to their personal interests and professional background, but they usually shared some common interests and preferences.