How many copies of the books by the author of The Leopard have sold worldwide?
Jo Nesbø: Jo Nesbø (] ; born 29 March 1960) is a Norwegian writer, musician, former economist and reporter. Jo Nesbø:  As of March 2014 more than 3 million copies of his novels have been sold in Norway, and his work has been translated into over 40 languages, selling 30 million copies worldwide.
i don't know