In all honesty, Watson had been hoping for a quiet day, without interruptions, without patients, but he set aside his writing intent upon giving his guest his full attention.

Of all the people who might have stepped into his office just then, he would not have expected the old man he'd collided with in Park Lane. His first thought was to wonder if he'd somehow damaged one of the books, and if the man had followed him back here to demand recompense. The man had clearly followed him, that much was clear, and that was more than a little unnerving.

His guest was still carrying the volume of Catallus. Watson was doing his best to not look at it.

"I am extremely surprised," Watson said, rising from his chair, an eyebrow raised. "What is it that I can do for you?"