I have purchased The CSS Anthology: 101 Essential Tips, Tricks (Edition 2) - PDF format to download & The CSS Anthology: 101 Essential Tips, Tricks (Edition 2) - Book on July 28 2007 through Credit Card. Even though i got receipt of the transaction & 48 hours after transaction, I am not able to download PDF files. It is showing "Log in Error" even though i have entered my E-Mail address & Order No. correctly.

Please help as soon as possible.