The book "Theory, calculation and design of aircraft engines and power plants" by the authors Balakuev V. and . and Dove In. A. It is a unique and in-depth study in the field of aviation engineering that will be of interest to both professional engineers and students studying aerospace engineering. This publication is a true guide to the complex world of aircraft engines and power plants, covering all key aspects of design and calculation. The authors, possessing rich experience and knowledge in the field of aviation engineering, offer readers not only theoretical foundations, but also practical recommendations that will help to understand how to create effective and reliable engines. The book begins with fundamentals such as thermodynamics and aerodynamics, and gradually delves into more complex topics, including calculations of engine parameters, material selection, and technology for their production. This makes the book useful for both beginners and experienced professionals who want to refresh their knowledge. One of the main topics raised in the book is the importance of innovative technologies in the design of aircraft engines. The authors focus on current trends, such as the use of alternative energy sources and environmentally friendly technologies, which makes the book especially relevant in light of the current challenges facing the aviation industry. Readers will be able to learn about the latest advances in engine development, which not only improve efficiency but also reduce the negative impact on the environment. The book will be interesting to a wide range of readers .. Students studying in specialties related to aviation and energy will find in it useful materials for preparing for exams and writing term papers. Engineers and specialists working in the aviation industry will be able to use the book as a reference book and a source of new ideas for their projects. In addition, researchers and teachers will find in it relevant data and examples that can be used in the educational process. The style of the authors is distinguished by the clarity and accessibility of the presentation, which allows even complex technical aspects to be perceived easily and with interest. Balakuev V. and . and Blue W. A. are known for their work in the field of aviation engineering, and their previous publications have also earned recognition for the quality and depth of analysis. This book continues the tradition of their scientific approach, offering readers not only the theoretical knowledge, but also the practical skills necessary for successful work in this field. In conclusion, “Theory, calculation and design of aircraft engines and power plants” is not just a textbook, but a real encyclopedia that will help readers understand the complex issues of designing aircraft engines and power plants. It will become an indispensable assistant for anyone who wants to deepen their knowledge and skills in this important and dynamically developing area. If you are looking for a quality and relevant publication that will help you become an expert in the design of aircraft engines, this book is your ideal choice.