How to update books on the device without delete them and resend
I have question about how to update the books on the device.
For example, I have sent a book on my kindle. Then, I modified the book on my PC and want to update the modified book to my device.
Normally, I would delete the book on my kindle, and resend it from my PC. But, by doing that I will lost all the data related to the book that I have read on my kindle. Such as, reading progress.
How can I update a book without delete and resend?
Thanks.
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