Amazon offers Select Amazon Accounts: Spend $20 on Kindle eBooks, Get $5 Kindle eBook Credit for a future purchase (see steps below).
Click on the “Activate Now” button on the offer page
Spend $20 on any Kindle eBooks by 11:59 PM PST on Dec 31 2019.
Get $5 back to spend on any Kindle ebooks
Note: Your credit will be automatically applied to your account within 4 days after spending the specified amount on any Kindle eBooks, you will get an email once the credit has been applied to your account. Your eBook credit expires 21 days after it is applied to your account.
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