Based on Ylvis' viral hit, the bothers Bård and Vegard Ylvisåker have paired their lyrics with playful illustrations, for a fun picture book.

"Based on the YouTube sensation"--Cover. Originally published in Norwegian as: Hva sier reven? "The fox (what does the fox say?)" lyrics by Bård Ylvisåker, Vegard Ylvisåker, and Christian L²chst²er.