The novella revolves around two conjoined twins, Luigi and Angelo Capello, who are born to an African American slave mother in a small Missouri town. While Angelo is portrayed as intelligent, charismatic, and possessing extraordinary abilities, Luigi is depicted as physically weak and mentally impaired.The story explores themes of race, identity, and the nature of human perception. Twain uses the twins as a vehicle to satirize racial stereotypes and challenge societal norms and prejudices. Through the contrasting characters of Luigi and Angelo, Twain criticizes the superficial judgments people make based on appearance and questions the notion of superiority or inferiority based on race."Those Extraordinary Twins" has received relatively little attention compared to some of Twain's other works, such as "The Adventures of Tom Sawyer" or "Adventures of Huckleberry Finn." However, it offers readers an intriguing exploration of race and the power of perception in American society during Twain's time.It's important to note that Mark Twain's writings, including "Those Extraordinary Twins," reflect the attitudes and language prevalent in the 19th century. Twain's portrayal of African American characters and his use of racial language have been points of criticism and analysis, and discussions around these aspects continue to this day.