Where Does the Nook App Store Books?
The Nook app keeps sideloaded books in a Nook folder on shared storage, with downloads and settings in its app data folder.
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Nook splits books the way reader apps usually do. Store purchases sync from the Barnes and Noble account, while files you added yourself sit in a Nook folder on shared storage. The app data folder holds downloads, annotations, and login state.
Back up the sideloaded folder before switching phones, since the cloud only knows about purchases. On iOS there is no shared folder to browse, so sideloading goes through a computer instead. The paths below cover the spots that matter on each platform.
Where Nook stores this, by platform
/storage/emulated/0/Nook
Drop DRM free EPUBs and PDFs here for the app to index. Cloud purchases may also cache nearby, but this folder is the one you manage by hand.
/storage/emulated/0/Android/data/bn.ereader
Downloads, reading position, and login state under the long standing Nook package. Copying this folder alone moves settings without the sideloaded books, so take both.
On My iPhone/Nook
Purchases sync through the account and sideloading needs a computer. There is no browsable book folder on iOS, so connect to Finder and use file sharing for manual transfers.
Frequently asked questions
How do I sideload my own books into Nook?
Place the EPUB or PDF in the Nook folder on shared storage, then open the app library so it indexes the file. DRM locked files from other stores still refuse to open; only DRM free books sideload this way.
Does my library follow me to a new phone?
Yes, when you sign in with the same Barnes and Noble account. Purchases and reading position sync from the cloud. Sideloaded files never sync, so move those by hand.
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