The book “Polymer composite materials . Nanocomposites" edited by B. C. Osiupchik and . Yu. G. is a unique teaching aid that will become an indispensable resource for students, graduate students and specialists in the field of materials science, chemistry and engineering . This publication covers a wide range of topics related to polymer composite materials and their modern nanocomposite variants, which makes it relevant for study and practical application in various industries. At the heart of the book is the desire of the authors to present to the reader not only theoretical aspects, but also practical applications of polymer composites, which are becoming increasingly popular in modern production. The reader will be able to learn about how nanocomposites, consisting of polymers and nanoparticles, can significantly improve the mechanical, thermal and electrical properties of materials. This makes them indispensable in areas such as aviation, automotive, electronics and even medicine. The book will be of interest not only to students of technical specialties, but also to practicing engineers, researchers and all those who seek to expand their knowledge in the field of modern materials. It is suitable for those who are interested in new technologies, innovations in production and want to be aware of the latest trends in materials science. The age category of readers varies from senior students to professionals working in scientific and industrial institutions. One of the key topics raised in the book is the influence of polymer structure on their properties and behavior under different conditions. The authors consider in detail how the addition of nanoparticles can change the physico-chemical characteristics of polymers, which opens new horizons for their application. The book also discusses methods of synthesis and modification of polymer composites, which allows the reader to get an idea of how to create materials with specified properties. The style of the authors is characterized by accessibility and clarity of presentation, which allows even beginners in the field of materials science to easily assimilate complex concepts. The team of authors, consisting of experienced specialists, shares their knowledge and experience, which makes the book not only a textbook, but also a practical guide for applying the knowledge gained in real life. If you are looking for literature that will help you understand the complex issues associated with polymer composite materials and their nanocomposites, then this guide will be a real find for you. It will not only expand your horizons in the field of materials science, but also inspire new ideas and projects. The book “Polymer composite materials . Nanocomposites is not just a textbook, but a whole world of possibilities that opens up before the reader. It is ideal for those who want to be at the forefront of research and implementation in the field of polymer technologies. Do not miss the chance to immerse yourself in the fascinating world of modern materials and their applications, and perhaps this book will be your first step to new achievements and discoveries in your professional career.