Based on a recent examination of the original art, the bottom left panel of page nine is the art used for the cover. Painting effects were apparently applied by the colorist which may, or may not, have been Stan Campbell.
Once upon a time, there was a prince who was born in the shape of a donkey. He was the most beautiful, delightful, lovable little donkey in the world. But he was the saddest little donkey, too, for his greatest wish was to become a real human prince. Though he did not know it, there was one way he could become a human prince. But would he ever find the way?