Peremptory Norms of General International Law (Jus Cogens): Disquisitions and Dispositions brings together an impressive collection of authors addressing both conceptual issues and challenges relating to peremptory norms of general international. Covered themes in the edited collection include concepts relating to the identification of peremptory norms, consequences of peremptory norms, critiques of peremptory norms, the relationship between peremptory norms and particular areas of international law as well as the peremptory status of particular norms of international law. The contributions are presented from an array of scholars and experts with different perspective, thus providing an interesting mosaic of thoughts on peremptory norms. Written against the backdrop of the ongoing work of the International Law Commission, it exposes some tensions inherent in the jus cogens.