Accidents happen, especially typos - we make them all the time (just ask Compulsion Games). That said, the people behind the official guide book for Batman: Arkham Knight have made one of the biggest typos we have seen in a long, long time; they misspelled the title of the game on the front cover of the book. Another classic typo was the one on the back of the Driveclub box from last year. You can see both below.