The book "Discrete Mathematics" by Kalinina V. B. and Nikolaeva A. In. It is a fascinating and deep dive into the world of mathematical structures, which become the basis for many modern technologies and scientific research. Published by P. Yaroslavl State University G. Demidova, this work is addressed to both students and all those who are interested in mathematics and its applications in various fields. Discrete mathematics is not just a set of theorems and formulas, it is a whole world in which every concept is connected with real problems and practical applications. The book covers a wide range of topics, including graph theory, combinatorics, algorithms and data structures, making it an indispensable tool for students of technical and natural science specialties. In it you will find not only theoretical foundations, but also a lot of examples, tasks and practical applications, which makes studying the material more exciting and accessible. This book will be of interest to students, graduate students and anyone who wants to deepen their knowledge in mathematics and computer science. If you are fond of programming, computer science or just want to understand mathematical concepts, "Discrete mathematics" will be a reliable guide for you. It is suitable for both beginners and those who already have certain knowledge and want to expand their horizons. The topics raised in the book are relevant and important in today's world. Discrete mathematics is at the heart of many technologies, such as cryptography, search algorithms, game theory, and more. Understanding these concepts opens the door to the world of IT, science and engineering. The authors focus on the practical application of theoretical knowledge, which allows readers not only to learn the material, but also to learn how to apply it in real problems. The style of the authors is distinguished by clarity and accessibility of the presentation . They strive to make complex mathematical concepts understandable to a wide audience, which is one of the main advantages of this book. Kalinin V. B. and Nikolaev A. In. experienced teachers and researchers who know how to convey to the reader the most complex ideas . Their previous work has also gained recognition, and Discrete Mathematics continues this tradition by offering readers quality and relevant material. If you are looking for literature on discrete mathematics that will be both informative and fascinating, this book will be an excellent choice. It will not only help you understand the theory, but also inspire you to explore new horizons in mathematics and its applications. Read Discrete Mathematics and discover a world where mathematics meets real life and theoretical knowledge becomes a powerful tool for solving practical problems.