"The World-Changer’s Manifesto" is a book by Robin Sharma, a self-help author and leadership advisor. It is a playbook for readers who are seeking to live a life of greatness and make a positive impact on the world. The book explores various topics, such as overcoming fear, developing self-discipline, building a strong social network, and finding your true purpose. It emphasizes the importance of personal growth, learning, and serving others, while offering practical tips and strategies for achieving success in all areas of life.