The book "Internal ballistics on the basis of numerical integration of differential equations" by G. In. Oppokova is a unique and in-depth study that immerses the reader in the world of internal ballistics, combining theory and practice, as well as modern methods of numerical analysis. This work will be a real discovery for specialists in the field of ballistics, engineers, as well as students and graduate students studying physics and mechanics. The main theme of the book is the study of the processes occurring in firearms and their ammunition, with an emphasis on the numerical integration of differential equations that describe the dynamics of these processes. Oppokov offers the reader a unique modeling approach that allows more accurate prediction of projectile behavior and their interaction with the environment. The book is filled with practical examples, which makes complex mathematical concepts more accessible and understandable. Who is this book intended for? First of all, it will be of interest to defense industry professionals, researchers and researchers dealing with ballistics and dynamics . Students and graduate students studying physics, mechanics or engineering will also find in it useful knowledge and inspiration for their research. The book will be relevant for readers aged 18 years and older who are interested not only in theory, but also in the practical aspects of the application of numerical methods in ballistics. The topics raised in the book cover a wide range of issues - from the foundations of the theory of internal ballistics to complex mathematical models that allow predicting the behavior of projectiles in various conditions. Oppokov examines the influence of various factors, such as temperature, pressure and speed, on the dynamics of the projectile, and also considers methods for optimizing processes to improve the effectiveness of weapons. These aspects make the book particularly valuable in light of current challenges and requirements for defense technology. The author's style is distinguished by clarity and logical presentation, which allows even complex mathematical concepts to be perceived easily and at ease. G. In. Oppokov is an experienced researcher who not only shares his knowledge, but also inspires readers to further research. His work in the field of ballistics and mechanics has received recognition in academia, and this book will not be an exception. If you are looking for literature that combines theory and practice, as well as current research in the field of internal ballistics, then “Internal ballistics based on the numerical integration of differential equations” will be a real find for you. This book will not only expand your knowledge, but also help you look at familiar things from a new angle. Do not miss the opportunity to immerse yourself in the fascinating world of science and technology that this book opens before you. It will be your reliable companion on the way to understanding the complex processes occurring in firearms, and will help you become an expert in the field of internal ballistics.