Through 5/31, you can get a 2-month KindleUnlimited Membership for only $0.99 (normally $19.98 – savings of 95%). You must be a new Kindle Unlimited member to get this deal. After the 2-months, you'll be charged $9.99 a month, if you don't cancel.
Choose from over 1 million titles in the Kindle Unlimited program, and get unlimited reading and listening (on titles that state “Kindle Unlimited with Narration”) during your membership period. You can give KindleUnlimited membership as a gift. Amazon will email the recipient with redemption instructions on the day you choose. Recipients can immediately start their Kindle Unlimited membership or exchange it for an Amazon Gift Card.