Fairy Dust and the Quest for the Egg by Gail Carson Levine
The fairies of Never Land live in Pixie Hollow. They get their magic from Mother Dove, a special bird. One day, a strange fairy named Prilla comes and doesn't know her talent. She acts like a human and doesn't fit into any of the talent groups. When a terrible storm comes and Mother Dove's magic egg that keeps all things in Never Land young breaks, they fairies are desperate to save it. When all seems lost, who will save Never Land?