Book Review: Europes Functional Constitution. A Theory of Constitutionalism Beyond the State, by Turkuler Isiksel. (Oxford: Oxford University Press, 2016) - Common Market Law Review View Book Review: Europes Functional Constitution. A Theory of Constitutionalism Beyond the State, by Turkuler Isiksel. (Oxford: Oxford University Press, 2016) by - Common Market Law Review Book Review: Europes Functional Constitution. A Theory of Constitutionalism Beyond the State, by Turkuler Isiksel. (Oxford: Oxford University Press, 2016) 54 1 Common Market Law Review