Brierly’s Law of Nations: An Introduction to the Role of International Law in International Relations (7th ed.). By Andrew Clapham. Oxford, New York: Oxford University Press, 2012. Pp. li, 518. Index. $120, £75, cloth; $50, £25, paper. - Brownlie’s Principles of Public International Law (8th ed.). By James Crawford. Oxford, New York: Oxford University Press, 2012. Pp. lxxx, 803. Index. $235, £130, cloth; $65, £45, paper