This edition of Public International Law in a Nutshell remains a concise yet accurate summary of the field of public international law, covering its basic structure, sources, actors, and procedures, and key subject matter areas, such as human rights, the law of the sea, international environmental law, use of military force, and U.S. foreign relations law. This edition, which is intended to be helpful for students, scholars, and practitioners alike, is fully updated to include recent treaties, practice, institutions, and International Court of Justice decisions.


Imprint: West Academic Publishing
Series: Nutshells
Publication Date: 01/08/2025

Sean D. Murphy, George Washington University Law School

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  • Covers recent International Court of Justice (ICJ) decisions relating to the Israel-Hamas and Russia-Ukraine armed conflicts
  • Explains important contemporary state practice, such as the U.S. government’s position on immunity for Saudi Crown Prince in relation to the murder of journalist Jamal Khashoggi
  • Captures important new institutional practice, such as International Law Commission’s rules and commentary on jus cogens and on general principles of law
  • Addresses recent ICJ and International Tribunal for the Law of the Sea advisory opinions on the responsibility of States relating to climate change
  • Analyzes recent developments in the law of treaties, including the replacement of NAFTA with the U.S.-Canada-Mexico trade agreement and adoption of the Biodiversity Beyond National Jurisdiction (BBNJ) Agreement
  • Assesses the significance of Supreme Court cases regarding the scope of U.S. foreign relations statutes, such as Nestle USA v. Doe (2021) on the Alien Tort Statute and Turkiye Halk Bankasi v. U.S. (2023) on the Foreign Sovereign Immunities Act.

Learn more about this series.