Hi there! Hey, this is just to tell you that if there is accompanying code for a chapter, you'll see it here. Most chapters are organized by chapter (e.g., Chapter 16 has the code for that chapter); Chapters 5-7 share the same solution, so they're in one folder. If you don't see a folder for the chapter, that means there's no code for it. If you are prompted by VS about project security, choose to open it normally. You may also need to set the Web site/project as the startup project for some of the solutions that include both in order for it to run correctly. Similarly, you may need to explicitly set the "test" page (usually the ASPX test page) in those projects as the startup item. Note that late in the pre-release timeframe Microsoft deprecated the ASP.NET Silverlight and Media controls. Many of our samples used these as it was the default for the Silverlight project templates. These samples should continue to work as stated in the Microsoft readme because the System.Web.Silverlight assembly is in the bin directory. You should follow Microsoft's advice and use the HTML OBJECT tag directly for future Silverlight work, and that is now part of the standard Silverlight project templates. For Chapter 11, on services, you need to manually start the sockets server project after building using its EXE in the Debug directory; then you can run the Web project in VS to connect to it. If you are running a project with Web (usually WCF) services, and the service response is "Not Found," chances are that it is having trouble connecting to a database. We used SQL Server Express for some samples, so be sure you have that up and running or attach the MDF to a full SQL Server instance and update the connection string in the web.config. If you have any questions about the code, we recommend just skimming the related chapter in the book and all should be illuminated. You can also post in the Wrox forums at http://p2p.wrox.com/. Enjoy! Sincerely, Ambrose, Jason, Grant, Devin, and Joe The Authors of Wrox Silverlight 3