The demolition mission. (Hardy Boys mystery stories, #112.)

The Hardy boys have been invited to attend the Bayport Motor Speedway to test-drive the prototype of a world-class sports car. But when the high-performance racer vanishes without a trace, Frank and Joe's investigation leads to the demolition derby, where they run head-on into danger. In this all-new adventure, the Hardys have been invited to attend the Bayport Motor Speedway to test-drive the prototype of a world-class sports car. But when the high-performance racer vanishes without a trace, Frank and Joe's investigation leads to the demolition derby, where they run head-on into danger. Invited to test-drive the prototype of a new world-class sports car, Frank and Joe unwittingly become involved in a lethal game of demolition derby as someone plots to steal the souped-up race car. Original. When Frank and Joe arrive to testdrive the prototype of a world-class sports car, they discover that someone has tampered with the car. It becomes a death trap