To receive the refund on a Kindle book, log in to Amazon and enter the section titled the Manage Your Content and Devices. In the tab named Content, find the book you would return. To locate the book in order to return it, click on the button with the Actions next to the title of the book and choose the Return for Refund option. This can be done only within 7days of purchase. Once the return has been established, amazon will refund the money and add it back to your original means of payment.