THEM: i'll take the hat, you can have the rest.  YOU: i would like the balls, hat and 2 books  THEM: i can give you the hat and the balls if i keep the books.  YOU: sorry that wont work.  THEM: can you either give me the hat or 3 of the books?  YOU: sorry looks like we wont be making a deal  THEM: yeah i have no idea how to do that.  YOU: we keep saying no deal until the no deal button appears  THEM: oh, how about i get 2 books?  YOU: you get 2 books and i get the rest?  THEM: yes.  YOU: deal.