"In Barnet?" he prompts, "do you always shop in Barnet? I am surprised, I did not know it was such a well known maze of book stores. It seems I have been missing out."

He lofts an eyebrow meaningfully, studies her before dropping his eyes to his papers and beginning to write.

"You understand that you will be subject to fine, and that those items in your collection constructed with or containing dark magic will be confiscated and, likely, destroyed?"

Kenzi does, but Norrell is a by the book sort of man. He will state the obvious to be sure it is understood.