For a limited time only, Amazon is offering a $5 ebook credit when you spend $20 on books.

To get the offer, here’s what you have to do:

• Go to the offer page here and click the “Activate Now” button.
• Spend $20 on eBooks by January 28, 2019

The offer applies to Kindle eBooks made available through Amazon.com and includes eBook gift purchases. It DOES NOT APPY to eBook pre-orders, physical goods, digital magazines, audiobooks (including Audible companions for your Kindle eBook purchase), print books, or digital subscriptions such as Kindle Unlimited.

After activating the offer and purchasing a minimum of $20 in books, you will receive the promotional credit.

The credit is good for 30 days  and is limited to one per customer and account.