, became the "north star" for generations of Filipino law students. In it, he explored the tension between Municipal Law (the law of a sovereign over its subjects) and International Law

Public international law is a vital component of the global legal framework, governing the interactions between states, international organizations, and individuals. Isagani Cruz's book on public international law is a comprehensive guide that provides a thorough understanding of the subject. We hope that this article has provided valuable insights into the importance of public international law and the contributions of Isagani Cruz to the field. By providing a link to download the PDF version of his book, we aim to make this valuable resource more accessible to those interested in learning more about public international law.

: Cruz highlights that while international law traditionally focused on nation-states, it now increasingly governs international organizations and even individuals. Foundational Principles

The importance of public international law can be seen in several areas: