Mark Twain 
The Man that Corrupted Hadleyburg 
From the Author of Tom Sawyer

The title story of this collection of short stories features the tale of the "most honest and upright" town of Hadleyburg, whose residents boast of their unsmirched moral character. A stranger, offended by the pious reputation of the town, devises a plan to bring its honored residents to shame. Is there even one righteous man in Hadleyburg?