Abandonment of books in general public areas, coupled or not with the use of the Internet, known as the bookcrossing; The procedures utilized for the printing and binding of books continued essentially unchanged within the fifteenth century in to the early 20th century. Although there was much more mechanization, a https://www.amazon.com/gp/product/164416826X/ref=ox_sc_saved_image_9?smid=ATVPDKIKX0DER&psc=1