This book by Brian Tracy explores the power of self-discipline and how it can help you achieve success in life. Through practical advice and real-life examples, Tracy shows how self-discipline can be used to reach goals, increase productivity, and improve relationships. He also provides strategies
From Wikipedia
Brian Tracy is a Canadian-American motivational public speaker and self-development author. He is the author of over eighty books that have been translated into dozens of languages. His popular books are Earn What You're Really Worth, Eat That Frog!, No Excuses! The Power of Self-Discipline, and The Psychology of Achievement.