The books and audiobooks you purchase in the Books app are saved in your library and automatically sorted into collections, such as Audiobooks, Want to Read, and Finished.
Tap Add to Collection, then tap the collection you want to add it to.
Tip: You can add the same book to multiple collections.
You can change how the books in your library or a collection are displayed and sorted.
Go to the Books app below the cover.
Tap Remove, then choose an option.
Note: If you choose Remove Download, the content and data associated with the title are no longer stored on your iPhone. To redownload the title, tap Annotate books in the Books app on iPhoneAccess books on other Apple devices in the Books app on iPhone