Offer is valid until 11:59pm BST on 22 September 2026. Offer is by invitation only to customers who have received this offer directly from Audible.co.uk via email or online display advertisements. Offer is only available to Audible Premium Plus members, or those participating in an Audible Premium Plus free trial. Offer is not available to Audible Standard members. Offer only applies to selected titles sold by audible.co.uk. To redeem this offer, add two titles to your cart from the selection provided. At checkout, you will be able to purchase both titles for one credit. The same items sold by other sellers (such as audible.com) do not qualify. Offer cannot be resold, transferred for value, redeemed for cash or applied to any other Audible account, except where required by law. This offer cannot be combined with other offers. Other terms and conditions apply, including those available at https://www.audible.co.uk/legal/conditions-of-use. Audible reserves the right to cancel or modify the offer at any time. If you violate any of the terms or conditions, the promotion will be invalid, and the offer will not apply. Terms prohibited by law shall be void without prejudice to the remaining terms.