"Chocky" is a science fiction novel written by John Wyndham, first published in 1968. The story follows a young boy named Matthew, who begins to communicate with an unseen entity he calls "Chocky." This mysterious presence influences his thoughts and actions, leading to unusual behavior that worries his parents. As the narrative unfolds, it becomes clear that Chocky is an alien intelligence trying to understand human life. The novel explores themes of communication, identity, and the potential for life beyond Earth, making it a thought-provoking read for fans of speculative fiction.