Abstract: In a vehicle such as a pick-up truck having a camper top defining, with the load bed, a compartment including a ceiling and opposite side walls, a convertible bed is provided having a plurality of sections in hinged end-to-end relationship. A pair of track members are mounted on the side walls of the camper top and have channel configuration. Guide rollers are carried by the bed sections at their opposite sides for guiding movement of the sections along the track members. The pair of track members lie in parallel planes, each defining a track having a first reach proximate the ceiling of the camper top, a lower reach lowered from the ceiling and extending above the truck bed, and a further curvilinear reach joining the upper and lower reaches. The bed is selectively moveable along each track between a storage position proximate the ceiling and a use position lowered from the ceiling.