AFAIU it is essentially mass-produced (pun intended?). The master is carefully handwritten, all the others are copies taken with an industrial (if high quality)

AFAIU it is essentially mass-produced (pun intended?). The master is carefully handwritten, all the others are copies taken with an industrial (if high quality) process. EDIT: That's not meant to be dismissive of it. It looks like a very beautifut book, and I'll probably buy one.