Seated in a booth somewhere near a corner of the bar is a small, scrawny boy dressed in his school uniform (little tie and all), hunched over a book with one leg tucked underneath him.
(For those wondering, the book is A Wrinkle in Time by Madeleine L'Engle. Are you really surprised?)
Every so often something will distract him and he'll glance up and take a quick look around. His eyes wander most frequently to two places: the Window (where they tend to linger) and his door.
He looks a little worried about something, but once his eyes drift back to the text in front of him, the worried look disappears.