Hi there,
Please look at the first two questions on the Download Code page that you can find here:
http://www.wrox.com/dynamic/books/download.aspx and then follow the links to the FAQs.
The answer to your question is in there.
What may not be in there (clear enough) is that Wrox went under a while ago. Some of the books and the brand name Wrox have been bought by Wiley. Other books went to Apress.
Cheers,
Imar
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Imar Spaanjaars
Everyone is unique, except for me.