"The 4-Hour Workweek" is a bestselling book written by Timothy Ferriss. Published in 2007, the book challenges traditional notions of work and life, advocating for a more efficient and flexible approach to achieving success and happiness. Ferriss introduces the concept of "lifestyle design," encouraging readers to focus on maximizing productivity and outsourcing tasks to achieve a four-hour workweek. The book covers topics such as time management, passive income generation, and remote work, offering practical tips and case studies to help individuals create a lifestyle that prioritizes personal freedom and fulfillment. Ferriss shares his own experiences and strategies for achieving financial independence and creating a life that goes beyond the conventional 9-to-5 work structure.