View source for Instructions for Redeeming an Audible Code

1. Visit [http://www.audible.com/at/redeem www.audible.com/at/redeem]

2. Enter the download code into the "Redeem Your Promotional Code" field and click "Redeem"

3. If you're not an Audible customer you'll need to create a new Audible.com account. Don't worry; you can use your Amazon.com account to do this

4. Follow the instructions. You'll have 1 credit applied to your account

5. Go to the book’s product detail page.

6. Add it to your cart. When you check out you'll see an option to apply the free credit