Although little noticed, the face of central banking has changed significantly over the past ten to fifteen years, says the author of this enlightening book. Alan S. Blinder, a former vice chairman of the Federal Reserve System and member of President Clinton's Council of Economic Advisers, shows that the changes, though quiet, have been sufficiently profound to constitute a revolution in central banking. Blinder considers three of the most significant aspects of the revolution. The first is the shift toward transparency: whereas central bankers once believed in secrecy and even mystery,...