The Author provides a very thorough grounding in WCF, The book is excellent and well worth working through the sample downloadable from the Apress web site.
I do have an issue with the advertising of the book. It states "You'll also learn how move your current .Net remoting and web service applications to WCF". There were a few pages on upgrading web service to WCF but not the case study and upgrade pointers that I was expecting. In spite of this, I have no hesitation in recommending this book to all Dot Net development teams for their library and any individual wishing to learn WCF.