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eschwartz · 06-28-2016, 07:27 PM

Ah, you need the space to apply a firmware update?

Well, it should be all right. The collections are synced to Amazon's servers for Amazon-purchased books, and even the non-Amazon-purchases are not automatically deleted from the collections database.
So unless you actually delete the collections themselves, removing and re-adding the books will not cause them to be removed from the collections they were in.

(At least that is my experience with sideloaded books on fw5.3.x, but I have no reason to think that has changed.)

EDIT: Also, the LibrarianSync extension, in tandem with calibre's Kindle Collections plugin, is awesome for multiple reasons, including the general ability to backup, restore, and transfer collections to a new device.

06-28-2016, 07:27 PM	#4
eschwartz Ex-Helpdesk Junkie Posts: 19,421 Karma: 85400180 Join Date: Nov 2012 Location: The Beaten Path, USA, Roundworld, This Side of Infinity Device: Kindle Touch fw5.3.7 (Wifi only)	Ah, you need the space to apply a firmware update? Well, it should be all right. The collections are synced to Amazon's servers for Amazon-purchased books, and even the non-Amazon-purchases are not automatically deleted from the collections database. So unless you actually delete the collections themselves, removing and re-adding the books will not cause them to be removed from the collections they were in. (At least that is my experience with sideloaded books on fw5.3.x, but I have no reason to think that has changed.) EDIT: Also, the LibrarianSync extension, in tandem with calibre's Kindle Collections plugin, is awesome for multiple reasons, including the general ability to backup, restore, and transfer collections to a new device. Last edited by eschwartz; 06-28-2016 at 08:15 PM.