So the rest of the money she'd been given, and the money she'd stolen, had gone straight towards buying as many books on as many magical subjects as she could possibly afford. She declined to buy nice or brand-new books in favor of getting as many as possible from the "resell" bins, because the text was more important than the presentation. She had no idea when she'd next have a chance to be in a magical bookstore, and she really wanted to be prepared for Durmstrang's entrance exam.