Advances a new constructionist perspective on the politics of international law, illustrated through detailed case-studies of the use of force, climate change, landmines, migrant rights, the International Criminal Court, the Kosovo bombing campaign, international financial institutions, and global governance. Contributors: Christian Reus-Smit, Dino Kritsiotis, Robyn Eckersley, Richard Price, Amy Gurowitz, David Wippman, Nicholas Wheeler, Antony Anghie, Wayne Sandholtz, Alec Stone Sweet.