The Subtle Art of Not Giving a F*ck is a self-help book written by Mark Manson. In this book, Manson challenges conventional wisdom and encourages readers to embrace a more honest and realistic approach to life. He argues that by focusing on what truly matters to us and letting go of the things that don't, we can find true happiness and fulfillment. With a mix of humor, personal anecdotes, and practical advice, Manson offers a refreshing perspective on how to live a meaningful life.