Uma dica do meu brother Ricardo Guerra.

E-Books gratuitos do SilverLight, Linq & ASP.NET AJAX disponíveis no link http://csna01.libredigital.com/.

Introducing Microsoft Silverlight 1.0 by Laurence Moroney (ISBN: 9780735625396)
Introducing Microsoft LINQ by Paolo Pialorsi and Marco Russo (ISBN: 9780735623910)
Introducing Microsoft ASP.NET AJAX by Dino Esposito (ISBN: 9780735624139)

Boa Leitura!!!

Jenner Maciejewsky Rocha
MVP Visual Basic