About the book: year / While serving her sentence in the library, Melissa Granger finds a book about animagus transformations and secretly takes it for herself. The girl is fascinated by this idea, but where can she find a place to train? The Weasley twins come to her aid, showing her a secret passage to the Howling Shack. Having discovered Sirius Black there, she believes his story about the events of distant 1981. And he agrees to help her with the transformations.