Audible Black Friday 2018 offer: 50% off for 4 months! New customers signing up to Audible via this offer will pay £3.99 per month for 4 months, instead of the regular £7.99 per month. Audible membership includes a credit every month, applicable to any audiobook, regardless of price or length. The books are yours to keep for life, even if they cancel. With the world’s largest selection of titles to choose from, there’s something for everyone. Offer valid for new Audible customers signing up between 00:00 16 Nov and 23:59 14 Dec 2018.