Silverlight 4 recommended books
I have 2 years of experience with programming in PHP. I would like to learn Silverlight 4 as my second language to expand my horizon and eventually do a real project in Silverlight (or maybe switch completely to the .Net). 

Can you recommend me a good book that will teach me Silverlight 4, but that is more oriented more towards the programming and not design? I'm interested in book that will show me the best practices and not just features of the Silverlight 4. 

I have started to read Microsoft Silverlight 4 Step by Step by Laurence Moroney. I feel that this book is just an introduction to Silverlight 4 features and not a book that will teach me the best practices and advanced stuff in Silverlight.
Silverlight 4 recommended books
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I have 2 years of experience with programming in PHP. I would like to learn Silverlight 4 as my second language to expand my horizon and eventually do a real project in Silverlight (or maybe switch completely to the .Net). 

Can you recommend me a good book that will teach me Silverlight 4, but that is more oriented more towards the programming and not design? I'm interested in book that will show me the best practices and not just features of the Silverlight 4. 

I have started to read Microsoft Silverlight 4 Step by Step by Laurence Moroney. I feel that this book is just an introduction to Silverlight 4 features and not a book that will teach me the best practices and advanced stuff in Silverlight.