I've had audible trials in the past, but this still popped up on my Amazon homepage. Might be targeted - good luck!
T&Cs:
With this limited time special offer you'll get 3 months access to Audible for just 99c. This offer includes 1 credit every month to buy any title you like and access to the Plus Catalogue.
After 3 months Audible renews automatically at $16.45/month. There are no commitments, cancel anytime and keep all your audiobooks purchased with a credit.
As an Audible member, your subscription includes: 1 credit a month* to buy any title you like, regardless of price—yours to keep, even if you cancel. Access to the Plus Catalogue—a selection of thousands of Audible Originals, audiobooks and podcasts, including exclusive series. Exclusive member-only deals. *Other membership plans also available
This promotion is valid from 08:01 AEDT 03 November 2021 to 11:59PM AEDT 07 December 2021, for new members of Audible in Australia or New Zealand who sign up for an Audible membership on this page only. With your membership, you’ll get one credit for $0.99 in your first month and one credit per month for $0.00 per month in months 2 and 3. After the first 3 months, your membership will renew automatically at the regular monthly price, currently $16.45. Cancel anytime. For this offer to apply, you must sign up for your Audible membership on this page. If you sign up through other websites (e.g. audible.com.au or other pages on Amazon.com.au) for a free trial the offer does not apply. This promotion may not be combined with other offers. Limit one per customer and account. Audible account required. Other terms and conditions apply, including Audible's Conditions of Use at https://www.audible.com.au/legal-terms/Conditions-of-Use?mod…. If you violate any of the terms or conditions, the promotion will be invalid, and the offer will not apply. Audible reserves the right to modify or cancel at any time. If your credit card is declined, the offer will not apply. Any terms prohibited by law shall be void without prejudice to the remaining terms.
I also have the offer available, I have been a free trial member and used a 99c deal previously, worth it for the credits, was just looking at the Larry Lawton books and wanted to grab it on Audible, I'm not much of a reader, great timing.