It has been said that the invention of the Thoroughbred was the single most consequential turning point in the evolution of the horse since its domestication. Its blood has provided the key to superiority in nearly every equestrian discipline. Why the Thoroughbred was created, how, by whom, and how its progenitors survived war, politics and the ambitions, jealousies of monarchs, noblemen and politicians is the subject of Speed and the Thoroughbred...