Lucifer was bored. This storm was entertaining, but not really his purview. So instead of tracking down the Saints he had decided to track down his brethren. Starting with the upstart that had stolen his domain.
He'd felt Uriel's presence on all of these books, but couldn't find the angel. In the end he picked a book out at random, then lit his hand up with the book in it. "You have about a minute until this is ash to come out brother."