The book "Analysis of economic activity of oil and gas industry enterprises" by B. Egorova is a deep and comprehensive study that immerses the reader in the complex world of the energy sector, revealing its internal mechanisms and key aspects. This work will become an indispensable tool for both students studying economics and management, and for professionals working in the oil and gas industry. The author focuses on methods and approaches to the analysis of economic activity, which allow not only to assess the current state of enterprises, but also to predict their future development. Egorov shares his experience and knowledge based on many years of practice, which makes his book especially valuable for those who seek to understand how the largest companies in the field of hydrocarbon production and processing function. The reader will be able to learn about various performance indicators, financial analysis, as well as the specifics of risk management in an unstable market. This book will be of interest to a wide range of readers: from undergraduate and graduate students studying economics, to practitioners and executives who want to deepen their knowledge in the analysis of economic activity. If you are interested in how oil and gas companies work, how they make decisions and what factors influence their success, then “Analysis of the economic activities of oil and gas enterprises” is exactly what you need. The topics covered in the book cover a wide range of issues, including economic efficiency, strategic planning, cost management, and process optimization. Egorov emphasizes the importance of data analysis for making informed decisions, which is especially important in the face of constant changes in the global energy market. The book also addresses issues of sustainability and environmental responsibility, making it particularly relevant in light of the current challenges facing the oil and gas industry. The author's style is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. Egorov uses many examples from real practice, which makes the material more clear and understandable. His previous work, such as Economics and Management in the Oil and Gas Industry, has also earned recognition for its in-depth analysis and practical focus. In this book, he continues to develop his ideas, offering readers new tools and methods for analysis. “Analysis of economic activity of oil and gas industry enterprises” is not just a textbook, but a real find for everyone who wants to understand the intricacies of the work of one of the most important sectors of the economy. Readers interested in the topics of sustainable development, innovative technologies and resource management will find here a lot of useful information that will help them better understand how to effectively manage enterprises in the modern market. Finally, book B. Egorova is a must-read for anyone who wants to be one step ahead in the oil and gas economy. It will help you not only expand your knowledge, but also learn how to put it into practice, which will certainly be your competitive advantage in this dynamic and complex industry.