Pressman's Software Engineering: A Practitioner's Approach is celebrating 20 years of excellence in the software engineering field. This comprehensive 5th edition provides excellent explanations of all the important topics in software engineering and enhances them with diagrams, examples, exercises, and references. In the fifth edition, a new design has been added to make the book more user friendly. Several chapters have been added including chapters on Web Engineering and User Interface Design. The fifth edition is supported by an Online Leaing Center, which is an enhanced website that supports both teachers and students. Some of the materials that can be found on this website include: Transparency Masters, Instructor's Manual, Software Engineering essays, Testing and Quizzing, and Case Studies.