Sean Lennon found the pages of pastel chalk drawings and hand-written text it in a closet one day at home and finally prevailed upon his mum to allow its dissemination.

FORBES: Yoko Ono: I Feel Invisible

The translated text was written in the left-hand column only of a large ledger, the right-hand kept blank for comments and improvements.

ECONOMIST: The King James Bible

In addition, it allows your PC to speak the text as you scan it, and can also read hand-written numerals.

CNN: Pen scanner reads, translates