Hermione's eyes lit up. "If you don't mind, I would really appreciate that." Playing the part of a time-travel enthusiast could be useful after all!
Then another idea came to her. "One day we should visit the library together. You could show me those books you like, and I could try to track down some books on time travel. I'm sure the school library has a bigger collection than the village." She smiled. "Would you be interested?"