A family road trip is supposed to be a lot of fun . . . unless, of course, youre the Heffleys.The journey starts off full of promise, then quickly takes several wrong turns. Gas station bathrooms, crazed seagulls, a fender bender, and a runaway pig - not exactly Greg Heffleys idea of a good time. But even the worst road trip can turn into an adventure - and this is one the Heffleys wont soon forget.Zoo-Wee-Mama! Includes exclusive bumper stickers!