Which department? I mean-- [He pointed to the book.] I could guess, but for the sake of conversation.

[He picked up on the look at his outfit.] It's not a bad living, actually. It takes a graduate degree, a lot of training... The pay's commesurate to that. [Of course, Arthur had no graduate degree, but if it weren't for the dream sharing business, he'd have probably gone into the library field for real.]