Introduction Carlos Espósito and Kate Parlett; Part I. The Role of the ICJ: 1. The functions of the international court of justice Judge James Crawford, Freya Baetens and Rose Cameron; 2. The role of an international court of justice judge Judge Sir Kenneth Keith; 3. The role of the international court of justice in the development of international law Dire Tladi; 4. The institutional context of the international court of justice Tom Ginsburg; 5. Assessing the effectiveness of the international court of justice Rotem Giladi and Yuval Shany; Part II. The ICJ and International Dispute Settlement: 6. The jurisdiction of the court Jean-Marc Thouvenin; 7. Provisional measures Robert Kolb; 8. The international court of justice as the master of the sources Jean D'Aspremont; 9. Fact finding and expert evidence James Devaney; 10. The ICJ and other courts and tribunals: integration and fragmentation Philippa Webb; 11. The working practices of the court Callista Harris; 12. Procedure in contentious cases: evolution and innovation Kate Parlett and Amy Sander; 13. Effective advocacy at the ICJ Samuel Wordsworth KC and Kate Parlett; Part III. The Impact of The ICJ's Jurisprudence: 14. The law of treaties Antonio Remiro Brotóns; 15. Territorial disputes Marcelo G. Kohen and Mamadou Hébié; 16. Law of the Sea Nilufer Oral; 17. International environmental law Daniel Bodansky; 18. The law of state responsibility Federica Paddeu; 19. Jurisdictional immunities Roger O'Keefe; 20. The use of force Alejandro Chehtman; 21. International organizations law Jan Klabbers; 22. Human rights Carlos Espósito.