“Object-Oriented Software Engineering” is a definitive resource that offers a comprehensive exploration of the principles, methodologies, and practical applications of object-oriented approaches in software engineering. Authored by Ms. Sonia Wadhwa, Mr. Prince Kumar Sahu, Mr. Vishnu Prasad Verma, Mr. V. Ramu, and Mr. K. Surendra Reddy, this book is designed for students, educators, and professionals in the field of computer science and engineering. It begins with an introduction to software engineering and the importance of modularity, abstraction, and reusability, providing a strong foundation for understanding object-oriented design. The book covers key topics such as software process models, agile development methodologies, requirement analysis, and the use of Unified Modeling Language (UML) for object modeling. Readers are guided through various stages of software engineering, including software design, testing, maintenance, and project management, with a focus on real-world applications and case studies. Advanced concepts such as design patterns, architectural styles, and object-oriented frameworks like the Unified Process (UP) and Rational Unified Process (RUP) are explored in depth. Practical examples and detailed explanations help bridge the gap between theoretical knowledge and industrial practices. Published by Quill Tech Publications in November 2024, this book is an invaluable resource for understanding how object-oriented methods can address complex software development challenges. Whether developing small-scale applications or managing large enterprise systems, “Object-Oriented Software Engineering” equips readers with the tools and techniques needed to design robust, scalable, and maintainable software solutions.