Book 801 System Theory and its Applications . Section: Elements of the theory of reliability and operation: training. Manual by C. In. Emelyanova, and . A. Drilling and E. I. Karpovsky is an important work that aims at a deep understanding of systems theory and its practical applications in the field of reliability and operation. This tutorial will be an indispensable resource for students, graduate students and professionals working in the field of engineering, management, as well as for anyone interested in a systematic approach to solving complex problems. The book covers a wide range of topics related to systems theory, including the basic principles, methods of analysis and design of systems, as well as their operation and reliability. The authors emphasize the importance of systems thinking in today's world, where complex systems become an integral part of our lives. Readers will be able to learn how to apply theoretical knowledge in practice, which makes the manual especially valuable for those who strive not only for theoretical, but also for practical mastering of the material. Who is this book intended for? First of all, it will be of interest to technical students studying disciplines related to system analysis, project management and operation of technical systems . The manual will also be useful to practicing engineers and managers who want to improve their skills and master new methods of working with systems. In addition, the book can attract the attention of researchers and graduate students engaged in the development of new approaches in the field of reliability and operation. The topics raised in the book are highly relevant in light of the current challenges facing industry and society as a whole. The authors consider not only theoretical aspects, but also practical examples, which allows the reader to better understand how to apply the knowledge gained in real conditions. An important aspect is the analysis of the reliability of systems, which is especially important in the face of growing requirements for product quality and safety. The book helps the reader to understand how a systematic approach can contribute to improving efficiency and reducing risks in various fields. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes complex concepts more understandable. Each section of the book is accompanied by examples and tasks, which contributes to a better assimilation of the material .. Authors, C. In. Emelianov, and . A. Drilling and E. I. Karpovsky are recognized experts in their field, and their experience and knowledge make this manual a valuable source of information. Their previous work has also received recognition in scientific circles, which confirms the high level of their expertise. If you are looking for a high-quality training manual on systems theory that will help you understand the complex issues of reliability and operation, then “No. 801 System Theory and Its Applications . Section: Elements of reliability and operation theory" will be an excellent choice. This book will not only enrich your knowledge, but also inspire new ideas and approaches in your professional activities. Do not miss the opportunity to immerse yourself in the world of system analysis and learn how theoretical concepts can be successfully applied in practice!