Verity was careful to allow Tracey a little space as they walked. Not everyone was comfortable with people knowing their business, after all.
"I'm not really even sure what exactly is up there," she admitted. "But it might be fun to find out."
The library was on the fourth floor, but besides students on their way to the library or back, no one ever seemed to go up there. It was no wonder Slughorn still hadn't turned up, not with all the hidey-holes a castle like Hogwarts could offer.