William shut his mouth. "No," he said, perfectly calm. "That's fine. Can I find anything for you? I don't have any assistants," he added pointedly, "or I'd assign one of them to help you. Maybe then the library could also open at an earlier hour for your convenience. Until then, however, if you would do me the courtesy of informing me of your plans or filling out the appropriate book request for material in the Restricted Section, I would appreciate it, and I'm sure you would find your research much easier."