"It (Clown)" is a horror novel written by Stephen King, first published in 1986. The story revolves around a group of children in the fictional town of Derry, Maine, who confront a malevolent entity that often takes the form of a clown named Pennywise. This creature preys on the fears of its victims, particularly children, and emerges every 27 years to terrorize the town. The narrative alternates between two timelines: the childhood experiences of the group, known as the Losers' Club, and their adult lives as they return to Derry to face the evil once more. The novel explores themes of friendship, trauma, and the power of memory, making it a significant work in the horror genre.