One by one, major corporations such as Enron, Global Crossing, and WorldCom are imploding all around us, prey to a greed-driven culture and dubious or illegal corporate finance and accounting. We have reached a perilous crossroads. In a compelling and disturbing narrative, Frank Partnoy brings to bear all of his skills and experience as a securities attorney, financial analyst, and law professor to tell the story of the rise of the trading instruments and corporate financial structures that now imperil the economic health of the country. Starting in the mid-1980s, he documents how each new level of financial risk and complexity obscured the sickness of corporate America. Finally, Partnoy offers clear policies that can save our financial system.