The article refers to the oldest printed book, which is expensive by the virtue of being in the hands of a private collector(s). The Diamond Sūtra pre-dates th

The article refers to the oldest printed book, which is expensive by the virtue of being in the hands of a private collector(s). The Diamond Sūtra pre-dates the Gutenberg Bible by some margin, is in The British Library collection[1]. [0] https://wiganlanebooks.co.uk/blog/interesting/10-of-the-oldest-known-surviving-books-in-the-world/ https://wiganlanebooks.co.uk/blog/interesting/10-of-the-olde... [1] https://www.bl.uk/collection-items/the-diamond-sutra https://www.bl.uk/collection-items/the-diamond-sutra