Book Review: From Single Market to Economic Union: Essays in Memory of John A. Usher, edited by Niamh Nic Shuibhne and Laurence W. Gormley. (Oxford: Oxford University Press, 2012) - Common Market Law Review View Book Review: From Single Market to Economic Union: Essays in Memory of John A. Usher, edited by Niamh Nic Shuibhne and Laurence W. Gormley. (Oxford: Oxford University Press, 2012) by - Common Market Law Review Book Review: From Single Market to Economic Union: Essays in Memory of John A. Usher, edited by Niamh Nic Shuibhne and Laurence W. Gormley. (Oxford: Oxford University Press, 2012) 50 2 Common Market Law Review