... Because whatever it is, you just feel compelled to figure it out? Just a stab in the dark here.

[Calvin sits opposite of Alex, looking over the mess... including the book. He felt a sudden tic forming at his eye but supresses it as hard as he could. Just because it was really OLD looking doesn't mean its some kind of crazy mystical tome that's probably going to cause him hell over the next few days! The fact that the person researching it doesn't look at all insane kind of helped that reasoning out.]

Just what is that book anyway?