<p>Nonsuicidal self-injury (NSSI) is a baffling, troubling, and hard to treat phenomenon that has increased markedly in recent years. Key issues in diagnosing and treating NSSI adequately include differentiating it from attempted suicide and other mental disorders, as well as understanding the motivations for self-injury and the context in which it occurs. This accessible and practical book provides therapists and students with a clear understand...