The book "Ordinary Differential Equations: A Study Guide" by M. In. Stashkevicha is an indispensable resource for students, graduate students and teachers studying one of the most important and relevant topics in mathematics and its applications. This manual not only covers the theoretical aspects of ordinary differential equations, but also offers practical examples that will help readers better understand the material and apply it to real-world problems. In this book, the author masterfully combines a rigorous mathematical approach with an accessible presentation language. Stashkevich, with rich experience in teaching and scientific work, creates an atmosphere in which even the most complex concepts become understandable. He begins with the basics, gradually deepening into more complex topics, making the manual suitable for both beginners and more experienced readers who want to refresh their knowledge. The topics covered in the book cover a wide range, including methods for solving linear and nonlinear differential equations, systems of equations, and applications in various fields of science and technology. Readers will be able to get acquainted with such important concepts as the stability of solutions, qualitative analysis and numerical methods, which makes the book especially valuable for students of technical specialties, as well as for those who are interested in applied mathematics. The book "Ordinary Differential Equations" will be of interest not only to students, but also to teachers who are looking for high-quality materials to prepare for classes. It will be an excellent addition to the mathematics course, as well as a useful reference tool for those working in engineering, physics, and other scientific disciplines. Students and graduate students seeking to deepen their knowledge and skills in mathematics will find in this tutorial everything necessary for successful mastering of the subject. Special attention should be paid to the style of the author .. M. In. Stashkevich is known for his ability to explain complex things in simple language, which makes his books available to a wide audience. His work is often used in educational institutions, and this is not accidental: the author pays attention not only to theory, but also to practice, which allows readers to see how mathematics is applied in real life. If you are looking for a quality tutorial on ordinary differential equations that will help you not only master the theory, but also learn how to apply knowledge in practice, "Ordinary Differential Equations: A Tutorial" M. In. He will be your faithful companion.... This book will not only expand your knowledge, but also inspire you to further study mathematics and its applications. Do not miss the opportunity to immerse yourself in the world of differential equations with this fascinating and useful manual. It will become your reliable guide in the complex but exciting world of mathematics, opening up new horizons and opportunities for you.