Book «No497 Structure and methodology of development of automated information systems: trainings. Manual” by Sergey Yakovlevich Fomin and Dmitry Petrovich Samsonov is an important work that will become an indispensable assistant for students, graduate students and practitioners in the field of information technology . This manual not only highlights the key aspects of the design and development of automated information systems (AIS), but also immerses the reader in the complex and fascinating world of methodology that underlies the successful creation of such systems. The book discusses in detail the main elements of the AIS structure, including their functional components, architecture and interaction with users. The authors emphasize the importance of choosing the right development methodology, which avoids common errors and significantly increases the efficiency of work. Readers will be able to learn about different approaches to designing systems, such as Agile, Waterfall, and others, as well as how to adapt these methodologies to specific tasks and requirements. The manual will be especially useful for those who are just starting out in the field of information technology, as well as for those who already have experience, but want to systematize their knowledge and deepen their understanding of development processes. Technical students, programming specialists, system analysts and project managers will find in this textbook many useful recommendations and practical examples that will help them in their daily work. The topics raised in the book cover a wide range of issues, such as user interface design, project management, testing, and system implementation. The authors share their knowledge and experience, which makes the material not only theoretically sound, but also practically applicable. Readers will be able to see how theoretical concepts are embodied in real projects, which adds a book of practical value. The writing style of Fomin and Samsonov is clear and accessible .. They avoid overly complex terminology, which makes the material understandable even for those who do not have deep knowledge in the field of information technology. This tutorial can be safely recommended both for self-study and for use in educational institutions. It will be an excellent addition to courses in programming, system analysis and project management. In addition, this manual can be interesting for more experienced professionals seeking to update their knowledge of modern methods of AIS development. In a rapidly changing world of technology, it is important to be aware of the latest trends and approaches, and the book of Fomin and Samsonov just provides such an opportunity. If you are looking for literature on software development, information systems design or project management, then «No497 Structure and methodology for the development of automated information systems: study. This book will be a real boon to you.... This is not just a textbook, but a whole guide to the world of automated information systems that will help you become a more competent specialist in your field. Do not miss the chance to enrich your knowledge and skills by immersing yourself in this fascinating and important material for the modern world.