Communion is a controversial book by Whitley Strieber, based on his alleged experiences with alien abduction. Strieber recounts his encounters with non-human beings, describing the physical and psychological effects they had on him. The book delves into the mysteries of alien abduction, exploring themes of fear, trauma, and the search for truth. Whether you believe in the author's claims or not, Communion offers a unique and unsettling perspective on the phenomenon of alien encounters.