Ghosted in L.A. (Ghosted in L.A. #10)

Daphne was just getting used to living with ghosts, but when a mysterious door in the basement flies open, Rycroft Manor is overwhelmed with even more strange phenomena than anyone knows how to deal with. And even worse, Daphne's former roommate Michelle has some ideas about how to handle a haunting... and it doesn't involve going gently into that good light.