Because self-harm is poorly understood in among general practitioners of medicine and counselling, it can be difficult for an SHer to come forward and ask for help. A significant problem with communities of people who self-harm is that the worry about the other participants in the group and descriptions of problems can trigger episodes.

The book sounds like a very good resource.

My (now adult) child's urges to harm herself did not start decreasing until she left an invalidating environment (which I should not have brought her into, and from which I am in some ways still recovering). Her self esteem continues to improve and she's now aiming to get an MLIS when she's finished her BA next year.