Sorry to hear the discount isn't working for you. Can you let us know what ebooks you're trying to purchase?
This discount applies to ebooks only, and there are a few excluded publishers, so it's possible that's the issue, or it could be an error related to a specific ebook, which we could fix.
EMPLOYEE0Ah, that explains it. Ebooks published by Wrox, Wiley, Sybex, For Dummies, Visual, dpunkt, O'Reilly Verlag, and Microsoft Press Deutschland are excluded from this offer.
Sorry for the confusion. There is another discount that you can use for Wrox and Wiley books:
Buy 2, Get the 3rd free using discount code OPC10
I hope that helps!