As with the previous editions of this book, the authors write to balance the coverage of concepts, tools, techniques, and their applications, and to provide the most examples of system analysis and design deliverables available in any book. The textbook also serves the reader as a reference for best current practices. New to this edition Numerous illustrations facilitate better comprehension. Chapter-end mini cases allow the student to practice the concepts learnt. UML based Objected Oriented Analysis and Design is integrated throughout the text. New Features: Chapter on Object-Oriented Analysis and Modeling using UML: Enhanced and expanded coverage of the Object-Oriented approach. New material on the UML 2.0 updates in the three modeling chapters-7, 8 and 10. Expanded discussion on feasibility, including environmental and political considerations. Chapter 5: Expanded coverage of Context diagrams. New updated coverage of VB.NET and C-Sharp throughout the book.