This book investigates the foundational principles and practical applications of international law governing the relations between sovereign states during times of peace. J. L. Brierly, a distinguished scholar of international law, utilizes his extensive academic background to distill complex legal doctrines into a concise, accessible framework. The text examines the historical evolution of state relations and the logical necessity of a structured legal system to maintain global order. By focusing on the law of peace, Brierly provides a clear overview of how international norms function within the modern state system.

Experts and legal scholars consistently identify this work as a foundational text for students and practitioners entering the field of international law. Readers frequently note the clarity and brevity of the prose, which allows for a comprehensive understanding of complex legal concepts without unnecessary academic jargon.