The Industrial Revolution remains a defining moment in the economic history of the modern world. But what kind and how much of a revolution was it? And what kind of "moment" could it have been? These are just some of the larger questions among the many that economic historians continue to debate. Addressing the various interpretations and assumptions that have been attached to the concept of the Industrial Revolution, Joel Mokyr and his four distinguished contributors present and defend their views on essential aspects of the Industrial Revolution.