She'd met enough people in the library who were very fond of their peace and quiet, enough to give her annoyed questions when she asked if they were done with their books or if she could help them. But this man seemed the exact opposite and his grin had an infectious sort of way about it, as she smiled slightly as well, reaching out to accept the book from him.
"Yes! That's me!" she replied as she hugged the book to her chest, not quite sure of who the man was that he'd know her (he was only vaguely familiar) but he seemed to know her and that piqued her curiosity. "Oh, of course!" She reached out to take his hand, giving it a shake. "It's a pleasure to meet you in person, Doctor."