The book “Information Technologies” edited by Elena Semina is a fascinating and deep immersion into the world of modern technologies that have become an integral part of our lives. This work is the collective work of experienced professionals who have combined their knowledge and skills to create a unique resource for students, teachers and anyone interested in information technology. From the first pages, the reader plunges into an exciting world where technology is not just tools, but real catalysts for change in society. The book covers a wide range of topics, ranging from the basics of programming to complex data management systems. Each section is written taking into account the relevance and importance of the material presented, which makes it useful for both beginners and experienced professionals seeking to update their knowledge. Who can like this book? First of all, it is designed for students of technical and humanitarian specialties who want to get a solid knowledge in the field of information technology . However, not only students will find useful information in it .. Teachers working in the field of IT will be able to use the materials of the book to create training programs and courses . In addition, the book will be of interest to anyone who wants to understand modern technologies, their capabilities and the impact on everyday life. This is an excellent choice for readers aged 16 to 60 who are interested in science, technology and their application in various fields. The topics raised in the book are extensive and varied. The authors discuss not only technical aspects, but also social, economic and ethical issues related to the use of information technology. For example, how does technology affect our interaction with each other? What are the challenges facing society in the context of the rapid development of artificial intelligence? These and many other issues make the book relevant and important for understanding the modern world . The style of writing of the authors is characterized by accessibility and clarity .. They use a variety of real-life examples, allowing readers to easily assimilate complex concepts. The text is saturated with illustrations and diagrams that help to visualize information and make the learning process more exciting. This approach allows not only to gain theoretical knowledge, but also to develop practical skills, which is especially important in the rapidly changing world of technology. Elena Semina, as an editor and one of the authors, is known for her work in the field of information technology and education. It is actively engaged in the development of training materials and courses aimed at training specialists in this field. Her previous works, such as Programming Basics and Modern Information Systems, have already established themselves as high-quality and useful resources. In this new edition, it continues its mission to make knowledge accessible and understandable to a wide audience. The book "Information Technology" is not just a textbook, but a real guide to the world of technology, which will help readers not only understand how modern systems work, but also learn how to apply this knowledge in practice. If you want to be aware of the latest trends in information technology and learn how to use them in your life and career, this book will become your reliable assistant. Do not miss the chance to discover new horizons and become part of the technological revolution!