As diverse as the papers presented in this volume may seem at first glance, all of them touch on two characteristic themes of James Buchanan's work: the respect for individual sovereignty and the threat of monopoly power on the rights of the individual. In his foreword, Hartmut Kliemt says, "As opposed to more extreme and more utopian libertarians, Buchanan] well understands that in our world it takes a state to defend the individual from...