Your question isn't specifically about code, but the answer is the same as what you will find here:
Please read:
http://p2p.wrox.com/topic.asp?TOPIC_ID=268
under the heading:
"What happened to the code downloads for the other Wrox books"

Jim Minatel
Senior Acquisitions Editor
Wiley Technology Publishing
WROX Press
Blog: http://p2p.wrox.com/blogs_author.asp?AUTHOR_ID=6
Jim's Book of the week: Beginning Regular Expressions