I vaguely recall something similar. I think it was called "Demon on my back" or the like, but I can find no such novel listed anywhere. It was a YA story. [E

I vaguely recall something similar. I think it was called "Demon on my back" or the like, but I can find no such novel listed anywhere. It was a YA story. [Edit: Looks like it was "Devil On My Back" http://en.wikipedia.org/wiki/Devil_on_My_Back http://en.wikipedia.org/wiki/Devil_on_My_Back Hope that is the one you are looking for]