"The Customer Service Revolution: Overthrow Conventional Business, Inspire Employees, and Change the World" is a book written by John R. DiJulius III, a leading expert on customer service and the founder of The DiJulius Group, a consulting firm that helps businesses improve their customer experience. In the book, DiJulius provides a step-by-step guide to creating a customer-centric business and revolutionising the way companies approach customer service.