Eleven-year-old Jimmy Roberts has always loved watching the Robot Races, where daring drivers andtheir super-smart talking robots race through the world s most dangerous places. When a new race for kids is announced, Jimmy is desperate to compete, though he can t even afford a toy robot.But then Jimmy s grandpa reveals that he hasn t always been a taxi driver. In fact, he might be the only person who can help. Will Jimmy and his robotbe able to keep up with the competition?"