The book "Differential geometry" by Fedenko A . C. and other co-authors is a fascinating and deep dive into the world of mathematical concepts that form the basis of modern geometry This work will become an indispensable assistant for students, graduate students and anyone interested in mathematics at a deeper level. If you are looking for literature that will help you understand complex ideas and theories, as well as develop analytical thinking, then this book is exactly what you need. From the first pages, the authors capture the reader's attention by introducing it into the world of curves and surfaces, exploring their properties and relationships. The book covers many aspects of differential geometry, ranging from basics to more complex topics such as manifolds and their topological properties. Fedenko and his team focus on intuitive understanding, which allows the reader not only to remember the formulas, but also to understand how and why they work. This is especially important for those who want not only to study the material, but also to apply it in practical tasks. “Differential geometry” will be of interest not only to students of mathematical and physical faculties, but also to everyone who is fond of science and wants to expand their horizons. If you study engineering, work in the field of computer graphics or just like to solve complex problems, this book will be a real find for you. It is suitable for both beginners and those who already have basic knowledge in mathematics and want to deepen their knowledge. The topics raised in the book cover a wide range of issues, from simple geometric objects to complex manifolds, from curvature to geodesic lines. The authors not only explain the theoretical aspects, but also give many examples, which makes the material more accessible and understandable. The reader will be able to see how differential geometry finds application in various fields, such as physics, astronomy, and even in the theory of relativity. The writing style of Fedenko and his colleagues is clear and logical. The authors seek to ensure that complex concepts are set out in accessible language, making the book ideal for self-study. They use a variety of illustrations and graphs that help visualize ideas and make the learning process more engaging. This is especially important in such a complex field as differential geometry, where visual perception plays a key role. If you’re interested in other papers in the field, you might want to look at books by authors such as Martin Gardner and Norbert Wiener, who also offer interesting insights into geometry and mathematics in general. However, Fedenko’s “Differential Geometry” stands out for its depth and structured approach to learning. In conclusion, “Differential geometry” is not just a textbook, but a real encyclopedia of knowledge, which will become a faithful companion on the way to understanding complex mathematical concepts. It will inspire you to new discoveries and help develop analytical thinking, which will certainly be useful in any field of activity. Do not miss the opportunity to immerse yourself in this fascinating world, which will open up new horizons and opportunities for you!