The book “Information Systems in Economics: A Study Guide” by Igor Chernyshev is an indispensable resource for students, graduate students and practitioners seeking to understand the role of information technology in the modern economic context. This publication is not just a textbook, but a real find for those who want to master the basics and nuances of using information systems in various spheres of the economy. In his book, Chernyshev explores how information systems transform business processes, optimize management and increase the efficiency of organizations. It considers not only theoretical aspects, but also practical examples of the introduction of information technology in real companies. This makes the material accessible and understandable, even for those who do not have deep technical knowledge. The reader will be able to see how information systems help in decision-making, resource management and data analysis, which is key for successful business in today's market conditions. Who can like this tutorial? First of all, it will be useful for students of economic and managerial specialties, as well as for those who are interested in information technologies and their application in business . The book will also be an excellent help for teachers who are looking for quality materials for their courses. Practitioners working in the field of management and information technology will find in it many useful ideas and solutions that can be applied in their professional activities. The topics raised in the book cover a wide range of issues: from the basics of information systems design to their integration into business processes. Chernyshev focuses on the importance of data analysis and its role in strategic decision-making. It also looks at current trends in information technology, such as big data, cloud computing, and artificial intelligence, making the book relevant and useful for understanding current trends in the economy. The author’s style is distinguished by clarity and logical presentation . Chernyshev skillfully combines theory with practice, which allows readers not only to assimilate the material, but also to apply it in practice. His previous work has also been noted for its high quality and relevance, making Information Systems in Economics a continuation of his successful career in education and research. This book will be an excellent choice for those who are looking for not just a theoretical guide, but a practical guide to the implementation of information systems in the economy. If you want to learn how technology can change your work and improve the efficiency of your business, this publication should definitely take a place on your shelf. Looking for literature on information systems, economics, business intelligence and data management, you will not find a more suitable and informative source than Igor Chernyshev's "Information Systems in Economics" .