¡°Professor Lupin?¡± he said. ¡°If you knew my dad, you must've known Sirius Black as well.¡±
Harry pulled his booklist out of his pocket and consulted it for the first time. The Monster Book of Monsters was listed as the required book for Care of Magical Creatures. Now Harry understood why Hagrid had said it would come in useful. He felt relieved; he had been wondering whether Hagrid wanted help with some terrifying new pet.