Everyone knew it was crazy to try to extract oil and natural gas buried in shale rock deep below the ground. Everyone, that is, except a few reckless wildcatters - who risked their careers to prove the world wrong. Things looked grim for American energy in 2006. Oil production was in steep decline and natural gas was hard to find. The Iraq War threatened the nation"s already tenuous relations with the Middle East. China was rapidly industrializing and competing for resources. Major oil companies had just about given up on new discoveries on U.S. soil, and a new energy crisis seemed likely. But a handful of men believed everything was about to change. Far from the limelight, Aubrey McClendon, Harold Hamm, Mark Papa, and other wildcatters were determined to tap massive deposits of oil and gas that Exxon, Chevron, and other giants had dismissed as a waste of time. By experimenting with hydraulic fracturing through extremely dense shale - a process now known as...