Sure enough, she had been sent by Fudge to sabotage things at Hogwarts. Her idea of how to teach Defence Against The Dark Arts was to give us a book to read. No talking. No practical work on spells or anything else. No questions. And, most importantly, no disagreements. Harry managed to get himself a detention his first day with her, even though I had warned him and warned him that she was likely to be dangerous. There have been so many times I wanted to take Harry by the throat and shake him to see if he's totally lost his mind, or if a little piece of it is still rattling around inside...