Unfortunately, when Wiley purchased the books that we did from Wrox, the databases containing the answers to several of these books for the web site were unrecoverable. So, unless some other reader, or the authors, finds a copy (and we've been asking for people to look for them for about 9 months now so that seems unlikely), these answers to that edition are lost. You might want to read the FAQ at:
http://p2p.wrox.com/topic.asp?TOPIC_ID=268
Jim Minatel
Senior Acquisitions Editor
Wiley Technology Publishing
WROX Press