Sam was indeed awake and up and dressed, sitting at her table with some books and papers, but she wasn't really paying much attention to them yet. She had realized not long after waking what day it was--it was easy to lose track of the exact date here--and she was thinking a little more about that than about the equation-filled pages in front of her.

"Yeah," she called, very grateful that Jack had interrupted her thoughts. "Come on in."