Modeling of systems. Object-Oriented Approach" by Kolesov Yu. B. and Senichenkova Yu . B. It is a fascinating and in-depth study in the field of systems modeling that combines the theoretical foundations and practical aspects of an object-oriented approach. This publication will become an indispensable assistant for students, graduate students, teachers, as well as professionals working in the field of information technology, system analysis and software development. From the first pages, the authors immerse the reader in the world of system thinking, where each concept and each model become the key to understanding the complex processes taking place in the real world. The book begins with the basics, gradually raising the level of complexity and introducing the reader to the details of the object-oriented approach, which today is one of the most popular and effective modeling methods. An intriguing combination of theory and practice makes this book particularly valuable: readers will not only learn about concepts and principles, but will also see how they are applied in real-world projects. Who can like this publication? First of all, it will be interesting for students and postgraduates of technical specialties studying computer science, programming and system analysis . However, you should not limit yourself to this audience .. The book will also attract the attention of practitioners who want to deepen their knowledge in the field of modeling and master new approaches to solving problems. Even experienced developers and system analysts will find in it useful ideas and fresh views on familiar problems. The topics raised in the book cover a wide range of issues, ranging from basic modeling to complex concepts such as designing and implementing object-oriented systems. The authors emphasize the importance of choosing the right model depending on the specific task, which makes the book relevant for various applications - from business to science. In addition, aspects related to interaction between objects are discussed, which is a key point in the development of modern software solutions. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to perceive even the most complex concepts. Wheels of Y. B. and Senichenkov Yu . B. use many examples and illustrations, which makes the learning process more exciting and effective. This edition also includes practical assignments that will help readers consolidate their knowledge and put it into practice. If you are looking for books on system modeling, object-oriented programming or just want to expand your horizons in the field of information technology, Object-oriented approach" will be an excellent choice. It can become your faithful companion on the way to professional growth and new discoveries in the world of technology. In conclusion, it is worth noting that this publication is not just a textbook, but a real find for everyone who seeks a deep understanding of system modeling and wants to master an object-oriented approach. Read, study and apply the knowledge gained in practice - and you will see how your view of the world of technology changes!