The book "Elementary Introduction to Degree Theory" by B. In. Ivanova is a fascinating and informative work that will become a real discovery for everyone who is interested in mathematics and its applications. In his work, the author seeks to make complex concepts accessible and understandable, which makes this book an ideal choice for both students and mathematics lovers who want to deepen their knowledge. The main theme of the book is degree theory, which is one of the most important areas of mathematical analysis. Ivanov not only explains the basic principles and rules, but also immerses the reader in the world of mathematical ideas, showing how they are applied in real life. The book deals with such concepts as the degree of number, properties of degrees, as well as various methods for solving equations related to degrees .. The author uses many examples and tasks, which allows the reader not only to learn the theory, but also to apply it in practice. Who can like this work? First of all, the book will be of interest to students and schoolchildren studying mathematics at an in-depth level. It will also be a useful guide for teachers who are looking for new approaches to explaining complex topics to their students. Mathematicians who want to expand their horizons and understand how degree theory works will also find this book a lot of useful. The age category of readers can vary from high school to university students and even adults who want to refresh their knowledge. One of the key topics raised in the book is the relationship of degree theory to other areas of mathematics, such as algebra and analysis. Ivanov shows how these disciplines intertwine and complement each other, which makes the study of mathematics more holistic and fascinating. In addition, the author pays attention to practical aspects, demonstrating how degree theory finds application in various fields of science and technology, from physics to economics. Style B. In. Ivanova is distinguished by clarity and accessibility . He is able to explain complex things in simple language, which makes his books especially attractive to a wide audience. This is not the author's first work, and his previous works have also earned recognition among readers. For example, the books Basics of Algebra and Introduction to Mathematical Analysis have already gained popularity due to their informative content and accessible style of presentation. "Elementary introduction to degree theory" is not just a textbook, but a real find for anyone who wants to understand and love mathematics. It inspires learning, encourages reflection, and helps develop analytical thinking. If you are looking for a book that will make mathematics understandable and fascinating, then this work will become your faithful companion on the way to new knowledge. Do not miss the opportunity to immerse yourself in the world of mathematics with the book B. In. Ivanova . It will be your reliable assistant in the study of degree theory and will open up new horizons in the understanding of this amazing science.