you have to go to amazon web site and delete the cloud copies from there, and make certain they have really gone.
I once ending up with lots of duplicates simply be sending book a to device A i.e. to the device 's kindle address. then sending it again to device B's kindle address. thinking that was the correct procedure. then repeating that for book B, book C....
when you say they don't sync, what actually happens ? does the book open at page 1 on 2nd device , or on some previously read "last" page from an earlier reading session
i assume you have checked that every device has wifi and whispersync enabled
PS amazon help says this:
Whispersync is supported in these content categories:
Books from the Kindle Store
Personal documents that are converted to Kindle format
Newspapers and magazines from the Kindle Store
Audiobooks from Audible.com
Prime Video
Apps and games from Amazon Appstore
so you need to comply with line 2 above, which may mean you have o get into the subtleties and options of a PDOC setting within calibre - that could be the difference between your calibre copy and the ones that work online.
Last edited by stumped; 11-20-2018 at 02:06 PM.
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