Chet Haase, a senior computer scientist on the Flex SDK team at Adobe Systems, Inc, has published his new book on Flex 4 called “Flex 4 Fun”. Ntt.cc tried to published the book Design Patterns in ActionScript before too, though it is FREE, but got many bad reviews even obloquies. So I knew that write a book, especially a high quality book is NOT a light work. Thanks, Chet Haase!

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