See also https://en.wikipedia.org/wiki/A_Book_from_the_Sky https://en.wikipedia.org/wiki/A_Book_from_the_Sky (a 1988 art project based on intentionally making u

See also https://en.wikipedia.org/wiki/A_Book_from_the_Sky https://en.wikipedia.org/wiki/A_Book_from_the_Sky (a 1988 art project based on intentionally making up ghost characters by hand and printing a whole book with nonexistent but aesthetically plausible Chinese characters). Amusingly, Wikipedia mentions that over a dozen of them (out of about 4,000) were later found to accidentally exist!