“It was a girl. She was tall but not gawky, clad in new “first day of the semester” jeans, a white blouse that peeked out from under a navy-blue jacket, and clean new Keds girls’ sneakers. Her chestnut-colored hair was pulled up into a ponytail, and her cheeks were rosy against her pale skin, partly because it was cold outside, partly because she thought she was interrupting the class.”