While various PDF copies circulate on document-sharing websites, downloading these unauthorized scans presents several issues:

Public International Law is a foundational subject for law students, legal practitioners, and diplomats in the Philippines. Among the various textbooks available on the subject, Public International Law by the late Supreme Court Associate Justice Isagani A. Cruz stands out as one of the most authoritative, clear, and enduring references.

Justice Isagani A. Cruz was a highly respected jurist who served on the Supreme Court of the Philippines from 1986 to 1994. Known for his eloquent writing style and deep mastery of constitutional and international law, his textbooks remain standard reading materials in Philippine law schools. His companion book, Constitutional Law , is equally celebrated for breaking down complex legal doctrines into clear, understandable language. Core Themes in Cruz's Public International Law