The book "Analysis on real and complex diversity" by P. Narasimhana is an outstanding work that will become a reference book for anyone interested in modern trends in mathematics, especially in the field of analysis and geometry. This edition is a deep dive into the theory of manifolds, covering both real and complex aspects, making it unique in its kind. In his book, Narasimhan offers readers a carefully designed course, which covers the basic concepts of diversity analysis, including differential forms, integrals, Stokes and Gauss theorems , and more complex topics, theories of generalized functions and complex structures. It not only explains the theoretical foundations, but also illustrates them with examples and applications, making the material accessible and understandable to a wide audience. This book will be of interest to both undergraduate and graduate students, as well as teachers and researchers working in mathematics and related disciplines. If you study differential geometry, topology or mathematical analysis, then “Analysis on real and complex manifolds” will become an indispensable resource for you. It will also be useful for those who want to deepen their knowledge in the field of mathematical physics, since many of the concepts discussed in the book are directly related to physical theories. The topics raised in the book cover a wide range of issues, including the structure of manifolds, their topological properties, and the analysis of functions on these manifolds. Narasimhan emphasizes the connection between algebraic and geometric aspects, which allows readers to see how different mathematical fields interact with each other. This creates a unique opportunity for readers to develop a deeper understanding and integrate their knowledge into a broader mathematical picture.[citation needed] The author's style is distinguished by clarity and logical presentation, which makes complex concepts more accessible. Narasimhan uses many illustrations and examples, which helps readers better absorb the material. His approach to teaching mathematics is based on a deep respect for the reader and the desire to make complex ideas understandable and fascinating. This quality certainly makes his books especially valuable. In addition to "Analysis on real and complex varieties", P. Narasimhan is also known for his other works, such as Theory of Functions of Multiple Variables and Differential Geometry, which are also noteworthy. These books, as well as this edition, demonstrate his skill in explaining complex mathematical concepts and his dedication to the cause of learning. If you are looking for a book that will not only expand your knowledge in the field of analysis and geometry, but also inspire new research, then “Analysis on real and complex varieties” is exactly what you need. It will become your reliable companion in the world of diversity, opening up new horizons and opportunities for you. Do not miss the chance to immerse yourself in this fascinating and deep topic, enriching your knowledge and skills in mathematics.