The book "Differential Equations in Private Derivatives" edited by E. M. Chechetkina is a unique publication that will become an indispensable assistant for students, graduate students and teachers involved in mathematics and its applications in various fields of science and technology. It’s not just a textbook it’s a whole world immersed in by readers seeking to understand the complex concepts and methods underlying differential equations. In this book, authors collected under the guidance of E. M. Chechetkin, represent a systematic and in-depth analysis of partial differential equations (DUP). The reader will find here both theoretical foundations and practical examples, which allows not only to study the material, but also to apply it in practice. The book covers a wide range of topics, including the classification of equations, methods of solution, as well as their application in physics, engineering and other sciences. Each chapter is written taking into account the modern requirements for the educational process, which makes the material accessible and understandable to a wide audience. Who can like this publication? First of all, it is addressed to students of technical and natural sciences, as well as graduate students who want to deepen their knowledge in the field of mathematical analysis . Teachers will find in the book useful guidelines and examples that can be used in the classroom. In addition, the book will be of interest to all who are engaged in scientific research and are looking for a reliable source of information on differential equations. The topics raised in the book cover not only mathematical aspects, but also practical applications, making it particularly valuable. The authors emphasize the importance of differential equations in various fields of science, such as mechanics, thermodynamics and electrodynamics. Readers will be able to see how theoretical knowledge is used to solve real-world problems, making learning the material more exciting and meaningful. The style of presentation of the authors is clear and logical. Each section begins with a theoretical framework and then moves on to practical examples and tasks, allowing the reader to gradually delve into the material. The book is replete with illustrations and graphs, which helps to better understand complex concepts and methods. This approach makes the learning process more interactive and interesting. E. M. Chechetkin is a well-known author in the field of mathematical education, and his works have already established themselves as reliable sources of knowledge. In this book, he gathered a team of authors, each of whom contributed to the creation of a high-quality and up-to-date training manual .. Readers who are familiar with Chechetkin’s other works will be able to appreciate his ability to present complex topics in an accessible and engaging way. If you are looking for a textbook on differential equations that will be not only informative, but also interesting, “Differential Equations in Private Derivatives” will be an excellent choice. This edition will not only expand your knowledge, but also inspire further study of mathematics and its application in real life. Do not miss the opportunity to immerse yourself in the world of differential equations and discover new horizons of science!