"Mathematical Analysis" . The initial course” by the authors Ilyin, Sadovnichy and Sendov is not just a textbook, but a real guiding star in the world of mathematical knowledge. It is intended for students and everyone who seeks to understand the basics of mathematical analysis more deeply, and will become an indispensable assistant for both beginners and those who want to refresh their knowledge. From the first pages of the reader captures the clarity and consistency of the presentation . The authors, with rich experience in teaching and scientific work, offer material that not only explains the theoretical aspects, but also demonstrates their practical application. The book covers a wide range of topics, ranging from the limits and continuity of functions to integration and differentiation. Each section is built so that the reader can gradually delve into the material, mastering complex concepts step by step. One of the key features of the book is its accessibility. The authors use a simple and understandable language, which makes complex mathematical ideas easier to understand. This is especially important for students who may face difficulties in understanding abstract concepts. In addition, the book presents numerous examples and problems that help to consolidate the knowledge gained and develop skills in solving mathematical problems. Who can like this book? First of all, it will be useful for students of mathematical, physical and engineering specialties . However, interest in mathematical analysis can also arise from a wider audience: teachers, graduate students, as well as mathematics lovers who want to deepen their knowledge. If you are looking for a book that will help you not only to master the basics of analysis, but also to develop logical thinking, "Mathematical Analysis. Starter course" will be a great choice. The topics raised in the book go beyond the simple study of formulas and theorems. The authors touch on the philosophical aspects of mathematics, showing how mathematical analysis affects other sciences and our understanding of the world around us. This makes the book not only a textbook, but also a source of inspiration for reflection on the role of mathematics in life. The style of the authors is distinguished by attention to detail and the desire to make the material as understandable as possible. Ilyin, Sadovnichy and Sendov are not only authors, but also experienced teachers who know how to convey complex ideas to students. Their previous works, such as "Introduction to Mathematical Analysis" and "Fundamentals of Function Theory", have also been recognized for their accessibility and quality of presentation. In addition, the book includes many exercises that allow the reader to test their knowledge and skills. This makes it ideal for self-study, as well as for use in educational institutions. Readers who are looking for additional resources can be sure that the book will contain links to useful materials and literature that will help deepen their understanding of the topics. Finally, “Mathematical Analysis . The initial course "is not just a textbook, but a whole world of mathematical discoveries, which is waiting for its reader. If you are ready to immerse yourself in the fascinating world of analysis, this book will become your reliable companion on the way to knowledge. Do not miss the opportunity to discover the exciting world of mathematics with this outstanding work!