A book falls under the category of paranormal science fiction when it weaves together elements of the supernatural and the scientific. These narratives often feature advanced technology interacting with paranormal entities or phenomena. They push the boundaries of reality and imagination, exploring concepts like life after death, parallel dimensions, and interactions with spirits through technology. The latest paranormal science fiction books take these themes a step further, delving into ethical and existential dilemmas that arise from such possibilities. They offer readers a unique blend of the uncanny and the technological, making for a truly captivating reading experience.