Ib had finally finished her book, and was on her way to the library to return it, her spirits lifted somewhat by the happy ending. But she didn't expect to find, in the middle of the hallway, the biggest and most complicated model train set she'd ever seen. It almost looked more like a roller coaster.

She had another surprise when she noticed who was working on it. Oh, the nice old man who'd helped her when she first got here! Ib waved a little, trying to get his attention. "Did you make all this?" she asked.