Book Review: Energy Security. The External Legal Relations of the European Union with Major Oil and Gas Supplying Countries, by S. Haghighi. (Oxford: Hart Publishing, 2007) - Common Market Law Review View Book Review: Energy Security. The External Legal Relations of the European Union with Major Oil and Gas Supplying Countries, by S. Haghighi. (Oxford: Hart Publishing, 2007) by - Common Market Law Review Book Review: Energy Security. The External Legal Relations of the European Union with Major Oil and Gas Supplying Countries, by S. Haghighi. (Oxford: Hart Publishing, 2007) 45 2 Common Market Law Review