Recently i have the opportunity to work as a Technical Reviewer for a book written by Todd Spatafore. This book is about the creation of Windows Phone 7 application which integrate with SharePoint. Windows Phone 7 offer a native integration with SharePoint, but sometime you need to create enterprise application the will require to connect with SharePoint.
So if you are interested by the book, you can see more information on the PacktPub website:
https://www.packtpub.com/microsoft-sharepoint-2010-enterprise-applications-on-windows-phone-7/book
LP
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