<p>Since constitutional arrangements are what make politics work they are a central concern of political theory. This book now completely updated was the first comprehensive exploration of the political theory of constitutions.<br><br>Jan-Erik Lane begins by examining the origins and history of constitutionalism and answers key questions such as: what is a constitution? Why are there constitutions? From where does constitutionalism originate? How is the constitutional state related to democracy and justice?<br><br>Constitutions play a major role in domestic and international politics in the early 21st century and an updated version of this classic textbook will introduce students to a number of different areas - theoretical empirical and moral - which will aid their understanding of this important topic.</p>