Is your investment in that new Internet stock a sign of stock market savvy or an act of peculiarly American speculative folly? How has the psychology of investing changed--and not changed--over the last five hundred years? Edward Chancellor examines the nature of speculation--from medieval Europe to the Tulip mania of the 1630s to today's Internet stock craze. A contributing writer to The Financial Times and The Economist, looks at both the psychological and economic forces that drive people to "bet" their money in markets; how markets are made, unmade, and manipulated;...