Other editions of book Tunnel Racers

Wandering through an enormous junk yard, our heroes find themselves entering a hidden robot world. They are welcomed by the Mekanix, who choose Crank to be the next race driver. His job: to beat their rival gang, the Engineerz, in a high-speed race through the sewers of Metrocity. But there's something sinister about the Mekanix and their tunnel racer . . . what could it be?