Why Ducks Sleep on One Leg Author:Sherry Garland, Jean Tseng (Illustrator), Mou-sien Tseng (Illustrator) Long, long ago, in the land of Viet-Nam, live three unhappy ducks, each of whom is missing one leg. Most resentful of their plight, the three ducks resolve to remedy their situation. But it is only after a journey full of the most comic mishaps that the resourceful ducks succeed in their search for three very special legs.