Alys accepted the invitation to visit with a nod and a smile. "I'd love to drop by some afternoon," she said, "and see what all you're up to." The clarification that Chris was [i]not[/i] invited was met with a wry expression. She understood, of course. Not everyone had the tolerance for him that she did. She watched the professor as he made his way off into the stacks until Finnegan cleared his throat and spoke, at which point she returned her attention to her friend. "The number five and the divine ratio...I'm not sure where those books would be, unfortunately. We should consult a librarian."