Maisie doesn't belive in ghosts... . . .But when she starts at her new school, there are rumours - of a long-gone girl who wanders the halls. Could this be the pale face, the whisper of white, that Maisie's spotted in the art-room window at night? . .Together with her friend Kat, Maisie longs to learn more about the school ghost. Who was she? What happened to her? Then Kat comes across a photograph of something Maisie never expected to see. . .A ghostly friendship mystery from a much-loved author.