John Paul Mueller, consultant, application developer, writer, and technical editor, has written over 300 articles and 75 books, including IIS 7 Implementation and Administration and Mastering Windows Vista Business: Ultimate, Business, and Enterprise (both from Sybex). His topics range from programming and operating systems to home security and accessibility. He has contributed articles to such magazines as DevSource, asp.netPro, InformIT, SQL Server Professional, and Visual C++ Developer, among others. His Web site is www.mwt.net/~jmueller/.