Double check that when you unzip, you have the "Use Folder Names" option checked, so that winzip creates all of the subdirectories and places each file in the right directory. Then when you check the file count and size, be sure to select all of the files in the WroxUnited root as well as its subdirectories.
Jim Minatel
Acquisitions Director
Wiley Technology Publishing
WROX Press
Blog:
http://wroxblog.typepad.com/
Wrox online library:
http://wrox.books24x7.com