First of all, let's just say that Wrox != Sams, you should have checked samspublishing.com .
Anyway, I checked their site and found this:
Q: My CD-ROM that came with the book is broken. Whom should I contact?
A: If your CD-ROM is broken, cracked or otherwise physically damaged, please contact our Customer Support department. Remember to include the name and ISBN of your book.
Try new FreshView 0.2!
There are only two stupid questions: the one you don't ask, and the one you ask more than once ;)