Thanks for asking. Unfortunately, the book you are asking about has indeed been cancelled. Because of the new structure and focus of Microsoft's exams for .NET 4.5, we no longer found this exam to be a good investment. We are looking at the new exam structure and hope to be able to announce a book on the key exam within it and publish on it next year.
In the mean time, you should definitely cancel the order on the other book. Retailers should have the word soon that we have cancelled this and would be automatically cancelling these orders.
I apologize for any inconvenience.

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Jim Minatel
Associate Publisher, WROX - A Wiley Brand
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