Paul Tremblay is an American author known for psychologically complex horror that blends supernatural uncertainty with family trauma, paranoia, and dark humor. A former high school mathematics teacher, he is best known for the Bram Stoker Award–winning A Head Full of Ghosts and The Cabin at the End of the World, which was adapted into the film Knock at the Cabin. His other notable works include Disappearance at Devil’s Rock, The Pallbearers Club, Horror Movie, and Dead But Dreaming of Electric Sheep. Tremblay lives outside Boston with his family.