Elfriede Dustin is the lead author of Automated Software Testing (Addison-Wesley, 1999), and Quality Web Systems (Addison-Wesley, 2002). An acknowledged expert in software engineering and testing practices, she has assisted numerous companies in the definition and implementation of QA and testing processes. For more information, please see her Web site at www.effectivesoftwaretesting.com.Jeff Rashka is coauthor of Automated Software Testing. He has significant industry experience as a test/quality assurance manager, software development program manager, and software division director. In addition, he has served as a SEI CMM /ISO 9000 Process Improvement Director.