Bill Brogden is a longtime computer programmer and wrote the best-selling Java 2 Exam Cram from Coriolis. He has also written for Sun's Advanced Technology Guides and the XML.com website. He is the author of Sybex's SOAP Programming with Java. Conrad D'Cruz has 14 years' experience with programming, including Java and XML, and is also an instructor in Web technolgoies. Mark Gaither is a 10-year computer industry veteran who has built sophisticated web systems for the Texas Department of Commerce, TManage, Inc., Activerse, High End Systems, Instant Sports, and HTMLScript.