Who keeps a child's heart happy? Keeps brave their souls? Rosy their cheeks? Why, Jack Frost, of course. But he wasn't always Jack Frost... Once, he was called Nightlight. He'd saved the baby Man in the Moon from Pitch, the Nightmare King. But in doing so, he fell to Earth and became lost. And though, like Peter Pan, he could sail on icy winds and surf billowing clouds, he longed for something he couldn't quite remember. Here is the story of Jack Frost, Guardian of Childhood.