Rapidex English for Tamil Speakers

NOT AS ADVERTISED. I work with many people who are not fluent in English and decided to help them learn to speak, read, and write it using these books. I have purchased four Hindi to English books in the past from the same author, and the CDs were included inside them as advertised on the front of the book as you can see in the photos. These books are to be sold with the CDs and the CDs aren't to be sold separately. You can imagine my surprise when I opened the books to check and the CD was missing from the pink pages in both books. Seems like a real rip-off to me. Do I pay the postage and return them or just chalk this up to yet another dishonest Amazon seller? Where are my CDs?