"The Iron Heel" by Jack London is a dystopian novel that depicts a future society in which a wealthy oligarchy known as the "Iron Heel" rules over the working-class masses. The novel is set in the early 20th century and follows the life of a revolutionary named Avis Everhard and her husband Ernest, a socialist leader. Through Avis' diary entries and memoirs, the novel chronicles the rise of the Iron Heel, the struggles of the socialist movement, and the eventual violent revolution that overthrows the ruling class. The novel is known for its vivid portrayal of class struggle and its prescient critique of the growing power of monopolies and the concentration of wealth in the hands of the few. It is considered a classic of American literature and a seminal work in the genre of dystopian fiction.