In this novel, Butler satirically describes a utopian society, using the civilization of 'Erewhon' ('nowhere,' scrambled) to satirize beliefs popular in the England of his day. Butler wrote a sequel to the novel, Erewhon Revisited.

Erewhon, set in a thinly disguised New Zealand, ended with the escape of its protagonist from the native Erewhonians by balloon. In the sequel, narrated by his son John. Higgs returns to Erewhon and meets his former lover Yram, who is now the mother of his son George. He discovers that he is now worshipped as "the Sunchild." He finds himself in danger from the villainous Professors Hanky and Panky, who are determined to protect Sunchildism from him. With George's help Higgs escapes from their clutches and returns to England.