https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2009/10/18/free-microsoft-press-e-books-on-linq-silverlight-2-asp-net-3-5-and-sql-server-2008.aspxProgramming Microsoft LINQ by Paolo Pialorsi and Marco Russo Introducing Microsoft® Silverlight TM 2, Second Edition by Laurence Moroney Programming Microsoft® ASP.NET 3.5 by Dino Esposito http://csna01.libredigital.com/?urvs5cn3s8 Introducing MicrosoftelCommunityServer 2.1 SP3 (Build: 20423.1)