This was a nice try in terms of trying to help people understand what a child's experience of OCD is like. I bought it in the hopes that I could recommend it to those children that I work with who have OCD, and their families. Unfortunately, I found the quality of writing so poor that I don't think I would recommend it to anyone. (Why does the main character have to "scream" and "have tears pouring down her cheeks" all - and I mean all - the time?) In addition, the book tries so hard to be a "teen" novel too (first kisses, boyfriends, best mates with anorexia) that it detracts from the point.
Perhaps it is just a bit too American, perhaps I am too old (!) but I thought it was obvious and irritating.