In motorsports there have been an endless series of performance advances where one wonders, how did they ever figure this out? These are the stories of discovery by 3 generations of racers and designers, who changed the state of the art forever. It is also the story of clever tricks and rule book interpretation to win the ever-escalating contest between rule makers and loophole seekers, told by those directly involved in Formula One, Le Mans, Indycar, IMSA, Moto GP, Trans-Am, Can-Am and NASCAR. Their innovations dazzled us all.