"The Kingship of Self-Control" is a self-help book that emphasizes the importance of self-discipline and control in achieving personal and professional success. The author explores the idea that true power and mastery come from within, and he advocates for the development of self-control as a means to attain a more fulfilling and purposeful life. In the book, William George Jordan discusses various aspects of self-control, including the power of thought, the influence of habits, and the significance of mastering one's impulses and desires. The author suggests practical strategies and principles to cultivate self-control, enabling readers to overcome challenges and make better choices in their daily lives. Overall, "The Kingship of Self-Control" is a classic work in the genre of self-help literature, offering insights and guidance on the path to personal development and achieving one's goals through the mastery of self-control.