Book excerpt: An insider's guide to understanding and eliminating accounting fraud How do these high-profile accounting scandals occur and what could have been done to prevent them. Hidden Financial Risk fills that void by examining methods for off balance sheet accounting, with a particular emphasis on special purpose entities (SPE), the accounting ruse of choice at Enron and other beleaguered companies. J. Edward Ketz identifies the incentives for managers to deceive investors and creditors about financial risk and also shows investors how to protect their investments in a world filled with accounting and auditing frauds. J. Edward Ketz, PhD (State College, PA) is MBA Faculty Director and Associate Professor of Accounting at Penn State's Smeal College of Business. He has been cited in the press nearly 300 times since Enron's bankruptcy, including The New York Times, The Wall Street Journal, and The Washington Post.. He has a regular column in Accounting Today.