I use the paid version of Books from Sort It Apps: https://itunes.apple.com/us/app/book-list-library-isbn-scanner/id476621639?mt=8 https://itunes.apple.com/us/a

I use the paid version of Books from Sort It Apps: https://itunes.apple.com/us/app/book-list-library-isbn-scanner/id476621639?mt=8 https://itunes.apple.com/us/app/book-list-library-isbn-scann... All you have to do is hold the phone over the bar code for a second and it automatically downloads all the relevant information. This is by far (IMHO) the fastest way to catalog a mountain of books. Not affiliated with the app or company in any way, just a happy user.