The book "Selection of parameters and thermogas-dynamic calculations of aviation gas turbine engines: a textbook" under the authorship of B. A. Grigoriev and other specialists, published with the support of the Federal Agency for Education and Samara State Aerospace University named after academician C. P. Queen, is an indispensable resource for students, graduate students and practicing engineers in the field of aviation and space technology . This manual is not just a textbook, but a real find for everyone who seeks to better understand the complex processes occurring in gas turbine engines, and master their design and calculation. The book discusses in detail the key aspects of the choice of parameters of gas turbine engines, which is fundamental for their effective operation. The author’s team shares their knowledge and experience, offering readers not only theoretical foundations, but also practical recommendations that will help in solving real problems. You will learn about the thermogasodynamic processes that occur in the engine, about how to choose the right parameters to achieve maximum efficiency and reliability. This manual will be especially useful for students and graduate students of technical universities who study aviation technology, as well as engineers working in the design and operation of gas turbine engines. If you are interested in aerodynamics, thermodynamics, as well as modern technologies in aviation, then this book will become for you a real guide to the world of complex calculations and design. The topics raised in the book cover a wide range of topics, such as thermodynamics, aerodynamics, mechanics, and materials science. The authors emphasize the importance of an integrated approach to the design of engines, which allows not only to increase their efficiency, but also to reduce the negative impact on the environment. In the face of modern challenges, such as the need to reduce emissions and improve fuel efficiency, the knowledge presented in this manual is becoming especially relevant. The style of the authors is distinguished by clarity and accessibility of the presentation, which allows even complex technical aspects to be perceived easily and with interest. They use many illustrations, graphs and tables, which makes the material more clear and understandable. The book is filled with practical examples and tasks, which contributes to a better assimilation of the theory and preparation for real engineering tasks. If you are looking for literature on topics related to aircraft engines, thermodynamic calculations and design, then "Selection of parameters and thermogas-dynamic calculations of aircraft gas turbine engines" will be a valuable source of knowledge for you. The book can be of interest not only to students and engineers, but also to everyone who is fond of aviation and wants to learn more about how modern gas turbine engines work. In conclusion, this tutorial is not just a book, but a whole world of knowledge that will open doors for you in the exciting and complex field of aviation technology. Immerse yourself in the study of thermogasodynamics and choose the right parameters for your projects to contribute to the development of the aviation industry