Abstract: An expandable camper body for use in a pick-up truck, consisting of two units, a front unit fastened to the side rails and truck body and a back unit movable so that when fully extended overlaps the truck's tailgate so as to provide a full size camper, the back unit being designed to telescope into the front unit, the upper tail gate locks to the sides and the lower tail gate swings down and locks to the truck's flatbed so as to provide a camper and/or a pick-up truck as desired.