"Those Extraordinary Twins" is a novel by Mark Twain, which was posthumously published in 1898. This satirical and imaginative work revolves around the lives of conjoined twins, Angelo and Luigi, who are remarkably different in temperament and personality. Set in a small American town, the narrative unveils the twins' contrasting experiences, including their interactions with the town's inhabitants, highlighting the disparities between the North and South during the Civil War era. Through a blend of humor and social commentary, Twain skillfully addresses themes such as slavery, racial prejudice, and the complexities of human nature. With its sharp wit and insightful critique of societal norms, "Those Extraordinary Twins" stands as a thought-provoking exploration of the intricacies of human behavior and the historical backdrop of 19th-century America.