Add a book
Scan it, photograph the cover, or enter an ISBN — then see if it’s already yours.
Point your camera at the barcode on the back of the book — you get the answer straight away, signal or not.
Scan it, photograph the cover, or enter an ISBN — then see if it’s already yours.
Point your camera at the barcode on the back of the book — you get the answer straight away, signal or not.