Communion: A True Story is a book by American ufologist and horror author Whitley Strieber that was first published in February 1987. The book is based on the experiences of Whitley Strieber, who experiences "lost time" and terrifying flashbacks, which hypnosis undertaken by Budd Hopkins later links to an alleged encounter with aliens.[1] Communion was a nonfiction best seller for six months in 1987.[2]