"Good afternoon." He raised his head from his desk to regard the woman who'd just appeared in his doorway. Not a student, he was guessing, based on her appearance, not that appearance could always be relied on. New people weren't an odd sight around here, regardless, and he wasn't surprised. He hadn't been here that long himself, but long enough for all his newness to wear off and his library to grow to a semi-respectable size.

"Is there anything I can help you with?" His tone was on the dry side, but not unfriendly. If she was new, maybe she had questions about something? "Come in. Feel free."