Book Review: The Eastern Enlargement of the European Union, by John OBrennan. (Routledge, New York and London, 2006) - European Foreign Affairs Review View Book Review: The Eastern Enlargement of the European Union, by John OBrennan. (Routledge, New York and London, 2006) by - European Foreign Affairs Review Book Review: The Eastern Enlargement of the European Union, by John OBrennan. (Routledge, New York and London, 2006) 12 1 European Foreign Affairs Review