[Okay, he can't keep up the fake dramatics at that. There is a time and place and all, and being warm and welcoming is much more important at the moment.]

Why, Claude, you're always welcome to come over and study, and should books disappear, I'll know who to hunt down.

In fact, I'll do you one better. If there's any magic you'd prefer to study first, I'll set aside what tomes I have on the subject, just for you. I'll even copy down any notes I've made, if I've begun to study the field.