[Gosh John well maybe you shouldn't sound so serious!! But no he's not even really that irritated, he just gets defensive easily when it comes to his intelligence. He may not be Dirk but is a library really such a stretch for him? Gooosh.]

Ghosts. Why am I not surprised? But we have similar goals here, so why don't we help each other out?

[He steps over and plucks the book from John's hand.] Thanks for the help, kid.