No word as to which book is the lucky one to get chopped in half, but come on, you know it's going to be Mockingjay. From a studio perspective, pushing the franchise into a tetralogy is a no-brainer: Says one exec, "We have distributors who consider this as their big brand next year, the movie that can change their company." And given the reasonably safe assumption that the first installment will be a hit, why settle for triple profits when you could quadruple them? Save Panem, save Hollywood.