The book "Computer Science" by Andreyev O. In. and Pyshniak M. About. is a real treasure for those who seek to understand the modern world of technology and digital innovation This book is not just a textbook, but an exciting journey into the depths of information technology, which reveals to the reader complex concepts in an accessible and lively form. In it, the authors masterfully combine theory and practice, turning complex topics into understandable and interesting stories, which makes it an indispensable tool for students, schoolchildren and anyone who wants to master the basics of computer science or deepen their knowledge in this field. “Computer Science” by Andreyev and Pyshnyak is not only a textbook, it is like a window into the future, where digital technologies and information systems play a key role. The reader plunges into the world of algorithms, programming, databases and network technologies, learns about how modern computers and the Internet work. The author's style is distinguished by clarity of presentation, liveliness and logical consistency, which helps even beginners to easily navigate complex questions and quickly find answers to their questions. This book is able to become a reliable companion in learning and professional activities, because it is filled with practical examples, tasks and illustrations that make learning not only useful, but also fascinating. Who is this book suitable for? First of all, it is intended for high school students and students studying computer science, as well as for teachers looking for modern and structured material for their lessons . But its value is not limited to the educational sphere - it will be interesting for those who just want to understand how our digital world works, and for those who are thinking about a career in the IT industry. Technology enthusiasts, novice programmers, as well as those interested in data security and information systems development will find answers to their questions and inspiration for further research in this book. The topics raised in Informatics cover a wide range of issues related to modern information technologies. The reader will learn about the principles of computers, the basics of programming and algorithmization, about data structures and their application, about network technologies and information security. Particular attention is paid to the development of skills for solving problems and critical thinking, which makes the book not only a textbook, but also a tool for developing analytical abilities. The author’s approach makes it possible to understand why computer science is not only the science of computers, but also the key to understanding the modern world, its dynamics and capabilities. The style of Andreev and Pyshnyak is particularly clear and accessible, which makes the book attractive to a wide audience. Their approach is not a dry statement of facts, but a live narrative, saturated with real-life examples, interesting facts and practical tasks. Their other well-known work in the field of pedagogy and information technology confirms their reputation as talented and enthusiastic teachers who are able to spark interest in complex topics. If you are looking for a book that will help you understand the basics of computer science, reveal the secrets of modern technology and prepare for the future in the digital world, "Computer Science" Andreev and Pyshniak will become an indispensable assistant for you. This book is a great start for those who want not only to learn computer science, but to fall in love with it and discover the limitless possibilities of the modern information space. It is worth reading to everyone who values knowledge, strives for development and wants to be one step ahead in the world of technology.