Planet Fitness is offering two-months of Audible membership that includes two audiobook credits for a limited time. Two weeks after you sign up, you will receive a code for a FREE $10 Amazon.com credit via email. The Amazon credit offer is only valid for existing Amazon customers. This offer is limited to one per person and is only valid for new Audible customers. Offer valid until November 18, 2018, at 11:59 pm PTS or while supplies last. Be sure you cancel your Audible membership before the end of the second month to avoid being charged.