Linq Tutorial

Microsoft LINQ Tutorials
http://www.deitel.com/ResourceCenters/Programming/MicrosoftLINQ/Tutorials/tabid/2673/Default.aspx

Introducing C# 3 – Part 4 LINQ
http://www.programmersheaven.com/2/CSharp3-4

101 LINQ Samples
http://msdn.microsoft.com/en-us/vcsharp/aa336746.aspx

What is LinQ
http://www.dotnetspider.com/forum/173039-what-linq-net.aspx

Beginners Guides
http://www.progtalk.com/viewarticle.aspx?articleid=68
http://www.programmersheaven.com/2/CSharp3-4
http://dotnetslackers.com/articles/csharp/introducinglinq1.aspx

Using Linq
http://weblogs.asp.net/scottgu/archive/2006/05/14/446412.aspx

Step By Step Articles
http://www.codeproject.com/KB/linq/linqtutorial.aspx
http://www.codeproject.com/KB/linq/linqtutorial2.aspx
http://www.codeproject.com/KB/linq/linqtutorial3.aspx