New in softcover. Hardcover was published in 2010. Nonsuicidal self-injury (NSSI) among young people - most notably in the form of forearm - or wrist-cutting - occurs across cultural groups, social strata, and developmental stages, puzzling and repelling adults. This school-based perspective gives readers a practical framework for earlier, more accurate diagnosis; relevant consulting with parents, teachers, and colleagues; and effective, science-based treatment.