Yukito Ayatsuji is a Japanese writer of mystery and horror novels. He is one of the founders of the Honkaku Mystery Writers Club of Japan, dedicated to the writing of fair play mysteries inspired by the Golden Age greats. In 1992 he won the Mystery Writers of Japan award for his novel The Clock Mansion Murders. The Decagon House Murders was Ayatsuji's debut novel and is the first of his works to be translated into English.
