The Book of Mathematics . A Certain Integral in Economic Tasks" edited by E. A. Burlakova is a unique manual that combines the theory and practice of applying mathematical methods in the field of economics. This publication will become an indispensable assistant for students, graduate students and practitioners seeking to understand more deeply how mathematical concepts can be used to solve real economic problems. The book is based on the concept of a certain integral, which is the most important tool in mathematical analysis. The authors, who gathered under the editorship of Burlakova, present the material in an accessible and fascinating form, which allows the reader not only to master the theoretical aspects, but also to see how this knowledge can be applied in various economic scenarios. Each chapter of the book is filled with examples, tasks and practical cases, which makes learning interactive and exciting. The book will be of interest not only to students of economic specialties, but also to everyone who wants to expand their knowledge in the field of applied mathematics. It is suitable for both those who are just beginning their journey in the study of integrals, and for more experienced readers who want to deepen their knowledge and skills. If you are interested in topics such as resource optimization, data analysis, financial models and econometrics, then this publication will be a real find for you. One of the key topics discussed in the book is the use of a certain integral to solve problems associated with finding areas, volumes and other economic indicators. The authors show how with the help of mathematical methods it is possible to analyze complex economic processes, make forecasts and make informed decisions. This makes the book particularly relevant in today's world, where data and analytics play a key role in business and economics. The style of presentation of the authors is clear and logical. They aim to make complex mathematical concepts understandable by using simple examples and illustrative illustrations. This allows the reader not only to absorb the material, but also to apply it in practice. In addition, the book pays attention to modern software tools that can help in solving mathematical problems, which makes it especially useful for practitioners. E. A. Burlakova, as an author and editor, is known for her work in the field of applied mathematics and its application in economics. Her other works also focus on integrating mathematical methods into practical problems, making her an expert in the field. Readers familiar with her previous work will find in this edition a familiar approach to teaching and research. In general, "Mathematics. A certain integral in economic tasks” is not just a textbook, but a whole school of thought that will help readers not only to master a certain integral, but also to learn to apply it in real life. The book will be an excellent addition to the library of any student, teacher or practicing economist. If you are looking for a way to improve your math skills and apply them to economics, this edition will be your faithful companion on this fascinating journey.