tell me about max brooks. >> max brooks wrote a couple of books. thought -- i i hope he doesn't hear this -- i bet it was a little crazy. i thought i was worried about him. [laughter] i said, all right. ok. you like zombies. the book is a zombie survival guide that is about what to do in case you were attacked by a zombie. you know how to defend yourself or hide or where to go. you got it -- to stick a knife through their brains. it is a little embarrassing. >> i'm laughing at you making fun of his idea with the stuff that you produce. you have got nerve. you have that nerve. [laughter] >> and then following -- by the way, the book sold like 2 million copies. booken writes another about a zombie war called "world war z." and brad pitt falls in love with it. it is a worldwide success. he is doing really well. he tells me about this. he says, i do not see a lot of money in that. [laughter] this is about the regiment and world war i. african-americans were part of the u.s. army in world war i were not allowed to fight. was keen to show their prowess.