She had a special and inexplicable sort of charm that went beyond her looks. It was obvious that she didn't only have her looks going for her. She was also well educated.

Merlin could tell this just by Looking at her. He only ever got this unique feeling from a few people. Maria smiled at him and answered, "Nice to meet you. Yes, I'm Maria."

“I knew I was right. You are indeed Maria! You clearly already know who I am, but I'll still introduce myself. Merlin, a student of Mr. Willows like you."

That simple introduction was enough for Maria to know the type of person he was, and she wasn't displeased.

Merlin was probably that type of person who enjoyed reading above every other thing.