Mark Twain's A Connecticut Yankee in King Arthur's Court combines elements of satire, children's literature, science fiction, and adventure. Through satire, Twain parodies the conventions and values of medieval society, specifically chivalry, romance, social inequality, political injustice, human ignorance, and superstition.
Despite being considered an example of children's literature, the novel also appeals to adult readers with its deadly serious and cynical undertones, complemented by frontier low humor. Twain critiques American optimism—represented in the novel through protagonist Hank Morgan—in a manner reminiscent of Herman Melville's Moby Dick, warning that progress can bring chaos and destruction.
The novel is also an adventure tale written in the tradition of medieval romances. Protagonist Hank Morgan encounters knights, wizards, and battles, elements that all contribute to the novel's sense of adventure.
The novel is also a work of science fiction, as Hank Morgan is transported from 19th century Connecticut to the 6th century, a premise that involves a speculative and imaginative use of science and technology for storytelling purposes.
All in all, A Connecticut Yankee in King Arthur's Court is a genre-blending work that combines children's literature, satire, science fiction, adventure, and social commentary. Twain's ability to straddle multiple genres contributes to the novel's enduring popularity. It also allows readers to engage with the novel on various levels, whether as a humorous adventure story, a satirical critique, or a work of science fiction.