Exploring the myths, stories, history and facts of documented encounters, mysterious experiences and unexplained visitors, Real Visitors, Voices From Beyond, and Parallel Dimensions by Brad Steiger and Sherry Hansen Steiger examines the 'other' forms, entities and beings inhabiting our universe. Building on their decades of research into the paranormal, mystical and supernatural, the Steigers analyse the influences and theories behind these mysterious visitors, whether they appear as aliens, ghosts, spirits, angels, demons, monsters or some other form.