Dr. Lauren Wagner was a celebrity. She was involved with the most exciting adventure mankind had ever undertaken: a manned expedition to Mars. The whole world admired and respected her. But Lauren knew fear. Inside--voices entreating her to love them. Outside--the mystery of the missing group that had gone before her. The dead group. But were they simply dead? Or something else? A haunting and unforgettable blend of science fiction, fantasy, horror, and suspense from one of America's bestselling writers. A novel you won't soon forget.