The book *Constitutional Foundations of Justification in Philosophical and Legal Discourse* by A. A. Istomin offers a profound exploration into the complex and multifaceted relationship between philosophy and law. This work will appeal not only to legal professionals and philosophers but also to anyone eager to understand how legal systems are built and what philosophical ideas underpin them. In his book, Istomin raises important questions about how concepts such as justice, freedom, and order relate to each other and influence the development of legal norms. He examines how different philosophical schools—from classical to postmodern—interpret the notion of legal justification and how these interpretations impact practical law. Readers will be prompted to reflect on what “law” truly means in the modern world and how it connects to morality and ethics. This book is especially valuable for law students, graduate researchers, and those interested in legal philosophy. It can serve as a valuable supplement to academic materials and as a source of inspiration for future research. Even readers without a specialized background in law will find much of interest and enjoyment. Istomin writes in an accessible style, making it easy for those without deep knowledge of philosophy or law to follow his ideas and conclusions. A central theme of the book is the concept of *ultimate justification*—the idea that a legal system must be grounded in fundamental principles. Istomin analyzes how various philosophical approaches interpret these principles differently and how such interpretations influence legal practice. He also explores how cultural and historical contexts shape legal systems and what implications this has for society as a whole. Istomin’s style combines analytical rigor with depth of thought. He skillfully blends theoretical insights with practical examples, making his work both intellectually significant and practically relevant. Readers familiar with his other works, such as *Philosophy of Law: From Theory to Practice* and *Law and Morality: Boundaries of Interaction*, will recognize his unique approach to analyzing philosophical and legal issues. *Constitutional Foundations of Justification in Philosophical and Legal Discourse* makes a significant contribution to contemporary legal and philosophical literature. It addresses pressing questions that concern scholars and practitioners alike and offers new perspectives on understanding legal systems and their philosophical bases. Those interested in topics like legal philosophy, ethics, social justice, and law enforcement will find in this book a wealth of ideas capable of transforming their understanding of law and its role in society. If you’re seeking a deep, thought-provoking read that challenges you to consider the nature of law and its philosophical foundations, this book is exactly what you need. Discover a world where law meets philosophy, and allow yourself to ponder what makes our society just and free.