Later, as they sat in the Girl’s Dormitory, Hermione admitted what had occurred. "Why does it matter that he’s received some old, ratty textbook?" Bellatrix asked as they sat up in the girl’s dormitory. Hermione hadn’t been able to answer. While she hadn’t meant to think poorly of her friend, Harry becoming especially good from reading a textbook was...suspicious. As Ginny sat on the floor, leaning back as Hermione discussed what had happened, she agreed there was something dangerous about it.