Ninth Key (Mediator‪)‬

New York Times best-selling author Meg Cabot fills each adventure in the Mediator series with suspense and humor. Suze Simon is liaison between ghosts and the living. But this teenager is no hand-holder-she's tough on the spirits who need her help. When the ghost of a murdered woman wakes Suze up one night with an troublesome request, the 16-year-old just wants to get rid of her.