Which short film was directed by John Sanford and Elaine Bogan for the How to Train Your Dragon franchise?
How to Train Your Dragon (franchise):  The franchise also consists of four short films: "Legend of the Boneknapper Dragon" (2010), "Book of Dragons" (2011), "Gift of the Night Fury" (2011) and "Dawn of the Dragon Racers" (2014). Dawn of the Dragon Racers:  It was directed by John Sanford and Elaine Bogan, and it features the voices of Jay Baruchel and America Ferrera along with the cast from the television series.
i don't know