I’ve had a few problems moving from one edition of my Gmail book to another. I didn’t want to delete the other one as it sold well and was highly ranked. I would have to start from scratch. I tried putting a message in the original book to people who already bought it offering them the new one. I was expecting them to refund the book and get the new one. Turns out they weren’t getting the changes!
The reason I didn’t want to keep the old edition because the name was wrong (my maiden name instead of married name) on the customer facing details. It was fine on the KDP admin side and I had contacted Amazon a few times, it seememd sorted but would revert after a while.
Anyway, turns out if you have made changes and republish your ebook, you need to send an email to Amazon asking them to send the new file to your customers.
Here’s an extract from the Amazon website explaining further. Customers can also request a later version of the same book to be sent to them.
3-16 Do I have to re-buy or re-upload my book to get the updated copy I re-published? If you’ve already purchased your book and subsequently revise the content and re-publish the updated version, you don’t need to re-purchase the book to get a copy. At this time, it’s not possible for publishers to receive the updated file without contacting KDP Support for help. We’re working to automate this feature and appreciate your understanding with our existing solution to manually send the updated content to your device.
We request your explicit permission, and will do the same for any customers who contact us to receive the updated content, prior to sending the revised file because the new version will not have previously saved Highlights, Last Page Read, Bookmarks, and the location of notes may not match. If this is acceptable, please email [email protected] confirming your permission and which title/s you’d like to have re-sent. Thank you.
Note: Customers who purchased the old content can also contact our Customer Service department to have the new file delivered.
I hope this helps.