I’m waiting for the O’Reilly site, Amazon and elsewhere to update the descriptions of the two different editions of my book. Since not everyone is lucky enough to move to VS2010 and EF4, both editions will be on the market. Right now they both have the same description online which is wrong. I don’t want anyone to get the wrong edition and then be misled.

Here are rough drafts of what the updated descriptions will look like:

1st edition (for EFv1 and VS2008/.NET 3.5SP1)

Programming Entity Framework is a thorough introduction to Microsoft’s 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 in Visual Studio 2008 and .NET 3.5, explaining its use in a variety of applications, it also provides a deep understanding of its architecture and APIs. While many of the lessons from this first edition will continue to be valuable as you move to .NET 4.0, the second edition (link???) of Programming Entity Framework targets Visual Studio 2010 and .NET 4.0 where there have been many advancements and additions to the framework. From the Entity Data Model (EDM) and Object Services to EntityClient and the Metadata Workspace, this book covers it all.

2nd Edition (for EF4 and VS2010/.NET 4)

Programming Entity Framework, 2^nd Edition is a thorough introduction to Microsoft’s core framework for modeling and interacting with data in .NET applications. On the heels of the highly-acclaimed first edition, this book not only gives experienced developers a hands-on tour of the Entity Framework in Visual Studio 2010 and .NET 4.0, explaining its use in a variety of applications, it also provides a deep understanding of its architecture and APIs. You’ll find hundreds of examples and numerous sample applications that take advantage of the new features in Entity Framework 4.0.  Whether you are building Rapid Application Development software or highly architected applications that are testable and provide a separation of concerns,  you’ll find hundreds of examples and numerous sample applications to help you achieve your goals. The book is filled with insight into the inner workings of the Entity Framework to help you become an Entity Framework expert. From the Entity Data Model (EDM) and Object Services, from WPF to ASP.NET MVC, from drag and drop to domain-centric applications, this book covers it all.

Both books are roughly the same length (app 800 page).

The *list* price for both editions is 54.99.

You can pre-order the 2nd edition at OReilly for $39.99 (http://oreilly.com/catalog/9780596807252) and on Amazon for $37.79 (http://learnentityframework.com)

O’Reilly tells me we’re on track for August 15th release. Amazon says August 26th but that’s probably when they expect to have the books in their warehouse to be able to ship.

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