Book Review: The Worlds of European Constitutionalism, edited by Gráinne de Búrca and J.H.H. Weiler. (Cambridge: Cambridge University Press, 2012) - Common Market Law Review View Book Review: The Worlds of European Constitutionalism, edited by Gráinne de Búrca and J.H.H. Weiler. (Cambridge: Cambridge University Press, 2012) by - Common Market Law Review Book Review: The Worlds of European Constitutionalism, edited by Gráinne de Búrca and J.H.H. Weiler. (Cambridge: Cambridge University Press, 2012) 50 1 Common Market Law Review