The world being what it is, there is no shortage of circumstances where the worst of human behaviors provide the opportunity for one of the best, namely forgiveness. Philosophers have long wrestled with the question of whether forgiveness is better for the forgiver or the forgivee. Remarkably, this question has become a subject of careful scientific research in recent years, and this excellent, important book presents the first thorough overview of the subject. Naturally, the answer to the question, "Is forgiveness good for you" is mighty complicated. Robert M Sapolsky John A. and Cynthia Fry Gunn Professor Departments of Biology, Neurosurgery, and Neurology and Neurological Sciences How we experience life's challenges can profoundly affect our well-being. In this outstanding book, Toussaint, Worthington, and Williams open our eyes to the power of forgiveness, which may be one of the most important tools we have for reducing disease and improving human health. Their review of the subject is the best to date and a must-read for scientists, practitioners, and laypeople alike. George M. Slavich Director, Laboratory for Stress Assessment and Research Cousins Center for Psychoneuroimmunology University of California, Los Angeles