Mr. X by Peter Straub

The novel weaves a complex narrative that intertwines the lives of two families over several generations, centered around a mysterious and malevolent figure known as Mr. X. As the protagonist, Ned Dunstan, returns to his hometown for his mother's funeral, he is plagued by disturbing visions and a sense of impending doom. He delves into his family's dark past, uncovering secrets about his father's identity and a legacy of supernatural abilities. The story explores themes of identity, destiny, and the battle between good and evil, as Ned confronts the sinister forces that have haunted his family for decades. The 10600th greatest book of all time