The book "Object-oriented programming in the Pascal language" under the authorship of a team of authors, including B. In. Beloshapkina is a real treasure for all who seek to immerse themselves in the world of programming and master one of the most significant approaches in software development. This work will become a reliable guide to object-oriented programming (OOP) in the Pascal language, which, despite its age, still remains relevant and in demand in educational institutions and among novice programmers. The book covers key concepts of OOP, such as classes, objects, inheritance, polymorphism, and encapsulation, and explains them in accessible language, making the material understandable even for those who are just starting out in programming. The authors not only share theoretical foundations, but also offer many practical examples that will help the reader to consolidate the knowledge gained and apply them in practice. Each section of the book is filled with live illustrations and tasks, which contributes to a deeper understanding of the material. This book will be especially interesting for students and schoolchildren studying computer science, as well as for those who want to improve their programming skills and master the PLO in Pascal language. It is suitable for both beginners and those who already have some experience in programming, but want to systematize their knowledge and master new approaches. If you are looking for a tutorial that will help you not only understand the theory, but also learn how to apply it in practice, then “Object-oriented programming in Pascal” will be an excellent choice for you. The book raises important topics such as the structure of software, the design and development of software systems, and the principles of good code. These aspects are not only relevant for learning the Pascal language, but are also fundamental for understanding programming in general. The authors focus on how to properly organize the code so that it is not only workable, but also convenient for further maintenance and modification. This is especially important in the context of modern programming, where the requirements for the quality of code and its readability are becoming increasingly high. The style of the authors is distinguished by clarity and accessibility, which makes it easy to perceive even the most complex concepts. They use many examples and practical tasks, which makes the learning process more exciting and interactive. In addition, the book includes various tips and tricks that will help to avoid common mistakes and make learning more effective. If you are already familiar with other works of the team of authors or B. In. Beloshapkina, then you will be pleased to know that in this book they continue to develop their ideas and approaches to learning programming. Their previous work is also noteworthy, and if you enjoy Pascal-language Object-Oriented Programming, you’ll be able to find a lot of fun in their other publications. In conclusion, "Object-oriented programming in Pascal" is not just a textbook, but a real find for anyone who wants to understand the basics of programming and master the PLO. This book will be your reliable assistant on the way to professional growth and will help you to open new horizons in the world of information technology. Do not miss the opportunity to immerse yourself in the fascinating world of programming with this wonderful book!