From tall tales of con men’s tricks, such as the classic that brought him instant fame, “The Celebrated Jumping Frog of Calaveras County,” to a man with no money (other than a ?1,000,000 banknote that no one can cash), to an expose of greed and hypocrisy in perhaps his greatest short story, “The Man That Corrupted Hadleyburg,” Twain showcases his notorious humor—skewering policemen, clergymen, politicians, bankers, and others—and displays his changing attitude toward human nature. .