It was a time of unregulated madness. And nowhere was it madder than in Chicago at the dawn of the Roaring Twenties. Enter a slick, smooth-talking, charismatic lawyer named Leo Koretz, who enticed hundreds of people to invest as much as $30 million--upward of $400 million today--in phantom timberland and nonexistent oil wells in Panama. This rip-roaring tale of greed, financial corruption, dirty politics, over-the-top and under-the-radar deceit, illicit sex, and a brilliant and wildly charming con man on the town, then on the lam, is not only a rich and detailed account of a man and an era;...