I also want to share some of my favorite WP7-related books. I hope these books will help you ~
The first book is the masterpiece of Charles Petzold in Programming Windows Phone 7 (full version). Many people in the garden have read books that do not need to be introduced too much!
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The book also contains two different versions: XNA Framework and Silverlight.
Second, Beginning Silverlight 3 is required to be familiar with WP7 development of Silverlight. This book is an entry-level Silverlight teaching material and is suitable for the development of Silverlight from scratch. In addition, this book currently has the Silverlight 4 version, but it is relatively secure to use Silverlight 3 for WP7-based development.
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Article 3, "Pro Silverlight 3 in C #" if you have mastered the basic Silverlight knowledge, you can directly refer to this advanced version, which also has the Silverlight 4 version.
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The fourth book, "Beginning Windows Phone 7 Development", is a WP7 Development entry-level book. However, the book does not mention Silverlight-related content. It starts from WP7 Development and covers all aspects of WP7 Development, and explains WP7 application development skills with examples.
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Fifth, Professional Windows Phone 7 Application Development is a Professional WP7 Application Development book that describes how to use Visual Studio, Silverlight and XNA frameworks to develop WP7 applications and games. (This book has more than 600 pages, and actually has 186 MB)
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Last, Beginning XNA 3.0 Game Programming: From Novice to Professional. If you want to develop WP7 games, you can use this book to learn about XNA development.
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