How to add, delete, and rearrange books and PDFs in the iBooks app for iPhoneiBooks makes it easy to keep your book collections organized!
Updated March 2017: Added information about iOS 10.3 and filtering.
iBooks is the virtual shelf set that collects together all your ebooks, audiobooks, and PDFs. Anything you've downloaded to your iPhone or iPad from the iBooks Store, and everything you've sent directly to iBooks, will appear on its shelves. So, as your collections grow, the key to quickly finding what you're looking for is keeping your iBooks organized and in order!
How to filter your bookshelf to display a specific collection
How to add a new collection to iBooks for iPhone and iPad
How to move books to different collections in iBooks for iPhone and iPad
How to reorder your Bookshelf in iBooks on iPhone and iPad
How to delete books from iBooks iPhone and iPad
How to re-download deleted books in iBooks on iPhone and iPad
How to filter your bookshelf to display a specific collection
Your iBooks library can be organized into specific collections to he...
Source:
How to add, delete, and rearrange books and PDFs in the iBooks app for iPhone