Hi guys,
Does anyone have any idea of what's the best book for search engine optimization. is there any good book specialised for asp.net?
Thank you.
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Take a read of 
Professional Search Engine Optimization with ASP.NET: A Developer's Guide to SEO
http://www.wrox.com/WileyCDA/WroxTitle/Professional-Search-Engine-Optimization-with-ASP-NET-A-Developer-s-Guide-to-SEO.productCd-0470131470.html
 
Very good book, with helpful info.
 
 
Regards
Jeremy
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Another one, which I found to be good:
Ledford, SEO - Search Engine Optimization Bible, Wiley
Alessandro Gallo | Blog | My book: ASP.NET AJAX In Action