John Paul Mueller is a hands-on programmer and author who has written 56 books and over 200 articles on topics ranging from networking to artificial intelligence and from database management to heads-down programming. His books include Web Matrix Developer's Guide from Apress, several C# developer guides, a small business and home office networking guide, a book on SOAP, and Windows XP user guides. John has provided technical-editing services to more than 30 authors, as well as both Database Advisor and Coast Compute magazines. He has additionally contributed articles to SQL Server Professional, Visual C++ Developer, and Visual Basic Developer. He edits the .NET electronic newsletter for Pinnacle Publishing. Sign up for John's free newsletter, .NET Developer eXTRA, at http://www.freeenewsletters.com/. For updates and other book information, visit John's website at http://www.mwt.net/~jmueller/.