The book "Calculus of One Variable for Science and Engineering Students" offers a comprehensive introduction to differential calculus, which is essential for engineering students. The author, Marwa Sh. Elsayed, places particular emphasis on the concepts of limits, which serve as the foundation for understanding differential calculus. By linking theoretical content with practical applications, readers are enabled to recognize the relevance of mathematics in real-world problems. The clear and understandable presentation of the topics facilitates learning and enhances the understanding of complex mathematical concepts. Additionally, sequences and series are also covered, making the book a valuable resource for anyone dealing with the mathematical foundations of the natural sciences and engineering.