The book “Ontology Model of the Subject Area Graphic User Interface” by Tarasov is a unique study that immerses the reader in the world of designing and developing graphical user interfaces (GUI) . This work not only covers theoretical aspects, but also offers practical recommendations that can be useful for both novice developers and experienced IT professionals. In today's world, where interaction with digital products has become an integral part of our lives, the creation of intuitive and aesthetically attractive interfaces has become an important task. Tarasov in his book offers an in-depth analysis of the ontology that underlies the design of graphical interfaces. It explores how different interface elements can be organized and presented to provide maximum user convenience and efficiency. The book will be of interest not only to software developers, but also to designers, researchers in the field of human-computer interaction, as well as students studying information technology and design. The age category of readers varies from high school students interested in IT to professionals seeking to update their knowledge and skills. The topics raised in the book cover a wide range of issues, from the basics of interface design to more complex concepts such as cognitive load and user experience. Tarasov focuses on the importance of understanding user needs and adapting interfaces to these needs. He emphasizes that a successful interface is not just a set of buttons and menus, but an entire ecosystem that needs to be thought out and designed with different use cases in mind. The author's style is distinguished by clarity and accessibility, which makes even complex concepts understandable to a wide audience. Tarasov is not afraid to use examples from real practice, which allows the reader to better assimilate the material and see how theoretical aspects are applied in practice. His previous work has also been marked by attention to detail and a desire to make complex topics accessible to understanding. The book “Ontology Model of the Subject Area Graphic User Interface” will be an indispensable tool for those who want to deepen their knowledge in the field of interface design. It not only provides a theoretical basis, but also inspires the practical application of the knowledge gained. Readers will be able to find useful tips on creating effective and attractive interfaces, which will certainly increase their professional value in the labor market. If you are looking for literature that will help you master the intricacies of graphic interface design, then this book is exactly what you need. It will be a great addition to the library for anyone interested in modern technology, design and user experience. Do not miss the opportunity to immerse yourself in a world where technology meets art, and create interfaces that not only work, but also inspire.