Sam blinked at the comment about libraries but was too slow to pursue an explanation she seemed unlikely to give anyway. He did not, however, blink at the mention of the meeting. Sam was good at hiding the quick way he computed ideas. "No where special," he assured her, keeping the smile in place. "I can go with you, if you want. Moral support, and all that." Because, obviously, it was Fred, and not Sam, that really needed to go.
Actually, before she had mentioned it he'd considered showing up and claiming he'd seen his dead grandmother once in the middle of the night, or something equally vague. Sam hadn't the slightest idea what either of his grandmothers had looked like, but that was beside the point entirely.