An improved truck bed extender particularly adapted for ease of installation and removal. When not being used to extend the truck bed, the extender is advantageously adapted to quickly and easily create a secondary storage area. In one embodiment, the extender includes a first side wall, a second side wall, a connecting wall, a first mount and a second mount. The connecting wall extends between the first side wall and the second side wall, and cooperates with the first side wall and second side wall to form a frame. The first mount is secured to the first side wall and includes a first interlocking member. The second mount is secured to the second side wall and comprises a second interlocking member. The first interlocking member and a first mounting station on the vehicle and the second interlocking member and a second mounting station on the vehicle cooperate to secure the truck bed extender to the vehicle.