Abstract: A folding camper for mounting in a pick-up truck, which camper includes a base frame shaped to mount in the bed of the pick-up truck, a pair of roof panels hinged to the sides of the base frame and adapted to fold inwardly, one upon another and a pair of triangular-shaped front and rear panels hinged to the front and rear ends of the base frame, respectively, and also adapted to fold inwardly, one upon the other. In a preferred embodiment of the invention, the front and rear panels are adapted to fold inwardly on the base frame in sequence and the left and right-hand roof panels are designed to then fold on the front and rear panels in sequence, in order to orient the folding camper in traveling mode.