I tried to buy this...
https://ebooks.faithlife.com/products/15055/autobiography-of-george-muller
... and it is on the list since I pasted the link from the email and it was in the resulting list. However, I get an error when I add the book to my cart and place the coupon code in the box on the checkout page.
Doesn't look like one of the originals: https://ebooks.faithlife.com/originals - are you sure it's not one of the classics?
If you look at the email, you'll see that FL provided the wrong coupon code for Classics books. That's why that particular code isn't working for the book you selected.
You can find the correct code listed at the Faithlife Connect page.
BTW, the forum guidelines ask that we don't post codes here. You might want to edit your thread title.
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