The "Book of Joy" is a trade paperback published in 2016 by Diversified Publishing. Written by Desmond Tutu, Douglas Carlton Abrams, and the Dalai Lama, this self-help and spirituality book offers guidance on lasting happiness in a changing world. With a focus on spirituality, personal growth, and inspiration, this 544-page book delves into the themes of joy and inner peace, making it a valuable resource for readers seeking wisdom and enlightenment. This book is a must-have for those looking to cultivate a sense of happiness and fulfillment in their lives.