To Redeem the Audiobook follow the below steps:

1. Go to www.audible.com/acx-promo or www.audible.co.uk/acx-promo
2. Enter the promo code you were given.
3. Click Redeem. You will be asked to sign into your Audible account or create a new one.
4. Once you sign in or create your Audible account, the audiobook will be available in your library.

https://help.audible.com/s/article/how-do-i-redeem-an-acx-promo-code?language=en_US

I am updating this table as often as I can to remove the codes that were already redeemed, If a code doesn’t work please use the next one.

Enjoy!