I have iCould sync on. So all my books get sync across my devices. Great!

Now, my question is: can I remove the PDF's (from my Downloads folder) after I added them?

I tried it, it seems to work, but im not sure. Unlike with music you can right click on the book (in iBooks) and click Show in Finder.


All the books that you move to iBooks stored in


iBooks make a copy of every books that you move on it.

With iCloud Sync the Documents are stored in the following location - Thanks to @Rogier

~/Library/Mobile Documents/iCloud~com~apple~iBooks/Documents/

Personally I recommend that you make a backup or move your original ebooks on an external drive.

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  • @date12 thanks, but not for me. I have iCloud sync on? I search in the Library and found my PDF's in a different location (?) "/Users/<username>/Library/Mobile Documents/iCloud~com~apple~iBooks/Documents/" – Roger Sep 29 '16 at 11:38

I might maybe differ for certain version of OSX/macOS.

I'm using macOS Sierra and have iCloud on for iBooks.

The files are apparently copied (as dante12 said), but are stored in a different location, for me:

/Users/<your username>/Library/Mobile Documents/iCloud~com~apple~iBooks/Documents
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Open iBooks, then choose PDF's in the Navigation Panel at the left. All pdf's are displayed on the right, CTL+click the book you want to delete, then choose "delete".

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