The Basics of Mathematical Analysis . Part II" by Ilyin V. A. and Poznyak E . G. It is a fascinating and deep dive into the world of mathematical analysis, which is one of the fundamental disciplines in mathematics and the natural sciences. This work continues the tradition of classical mathematical education and offers the reader not only theoretical foundations, but also practical examples, which makes it an indispensable tool for both students and teachers. The second part of the book covers such important topics as integration, series, functions of several variables and their applications. The authors seek not only to convey dry formulas and theorems to the reader, but also to show how these mathematical concepts are applied in real life and other sciences. Each chapter is imbued with logic and consistency, which allows the reader to gradually delve into the material without losing the thread of the narrative. Unlike many textbooks, "Basics of Mathematical Analysis. Part II" offers the reader not only theoretical calculations, but also a set of tasks for independent solution, which contributes to better assimilation of the material. This book will be especially interesting for students of mathematical and physical specialties, as well as for anyone who wants to deepen their knowledge in the field of analysis. It is suitable for both beginners and more experienced readers who want to refresh their knowledge or prepare for exams. If you are looking for a high-quality tutorial that will help you understand the complex concepts of mathematical analysis, then this publication will be a real find for you. The topics raised in the book cover a wide range of issues, from the basics of integral calculus to more complex concepts such as multidimensional functions and their properties. The authors emphasize the importance of mathematical analysis as a tool for solving practical problems in physics, engineering and economics. This makes the book relevant not only for students, but also for professionals working in these fields. The style of Ilyin and Poznyak is clear and accessible, which allows even complex concepts to be explained in simple and understandable language. Their approach to learning is based on the fact that understanding the basics is the key to successfully learning more complex topics. This makes their book not only a textbook, but also a real guide to the world of mathematical analysis. In addition, the authors have considerable experience in teaching and writing educational materials .. Their previous works were also popular among students and teachers, which confirms the high quality of their publications. If you are interested in books such as "Mathematical Analysis" G. M. Fichtenholtz or "Introduction to Mathematical Analysis" H. N. Bogolyubova, then "Basics of mathematical analysis. Part II" will be a logical continuation for you. In conclusion, "Basics of mathematical analysis. Part II" is not just a textbook, but a real find for anyone who wants to understand mathematical analysis and its application more deeply. The book offers the reader a unique opportunity not only to study the theory, but also to put it into practice, making it an indispensable tool for students and professionals. Do not miss the chance to immerse yourself in the world of mathematical analysis with the help of this fascinating and informative publication!