If you use Entity Framework in Visual Studio 2008 and .NET 3.5, this is the book you want. Programming Entity Framework, 1st Edition offers experienced developers a thorough introduction to Microsoftโs core framework for modeling and interacting with data in .NET applications. This hands-on tour provides a deep understanding of Entity Frameworkโs architecture and APIs, and explains how to use the framework in a variety of applications built with Visual Studio 2008 and .NET 3.5.From the Entity Data Model (EDM) and Object Services to EntityClient and the Metadata Workspace, this highly acclaimed first edition covers it all.One important note: while many of the lessons from this book will continue to be valuable as you move to .NET 4.0, the thoroughly revised second edition of Programming Entity Framework (August 2010) specifically targets Visual Studio 2010 and .NET 4.0โwhere there have been many advancements and additions to the framework.ReviewProgramming Entity Framework is a thorough introduction to Microsoftโs new core framework for modeling and interacting with data in .NET applications. This highly-acclaimed book not only gives experienced developers a hands-on tour of the Entity Framework and explains its use in a variety of applications, it also provides a deep understanding of its architecture and APIs. Although this book is based on the first version of Entity Framework, it will continue to be extremely valuable as you shift to the Entity Framework version in .NET Framework 4.0 and Visual Studio 2010. From the Entity Data Model (EDM) and Object Services to EntityClient and the Metadata Workspace, this book covers it all.