YouTube What Does The Fox Say? sensation scores book deal YouTube sensation "What Does the Fox Say?" will come out in book form on December 10. Picture: Cindy Ord/Getty Images Source: Getty Images YOU'VE probably seen that YouTube video about what the fox says. Soon you'll get to read about it. Simon & Schuster's Children's Publishing has acquired a picture book based on the online sensation devised by the Norwegian comedy team Ylvis. The publisher announced yesterday that the upcoming release, What Does the Fox Say? will come out December 10. Ylvis, alias for brothers Vegard and Bard Ylvisaker, have scored more than 200 million YouTube hits since September of them prancing in fox suits singing: "Ring-ding-ding-ding-dingeringeding! Gering-ding-ding-ding-dingeringeding!