Thanks again

I tried that and got this error:
http://img521.imageshack.us/my.php?image=errorlc6.jpg

This should be so simple but I can't seem to get it. There must be something terribly obvious that I'm overlooking. I've uploaded the file, if you want to have a look:
http://www.geocities.com/mtwstorage/energyBooks.zip

Any ideas where I'm going wrong?