Luster, the world where the unicorns fled to escape the Hunters who have sworn to wipe them out, has dangers of its own as Cara discovers when she attempts to cross that world in a desperate effort to rescue her grandmother. Each stage of Cara's journey brings new peril, wondrous new characters, and new clues to the mystery of her grandmother's past. And through it all threads the haunting melody of the "Song of the Wanderer." From the enchanting flute notes that introduce the story to its stunning conclusion, listeners will find themselves, like Cara, drawn heart and soul into the wonder of Luster."