O. Henry's short, simple stories are noted for their careful plotting, ironic coincidences, and surprise endings. Contents: The World and the Door; The Theory and the Hound; The Hypotheses of Failure; Calloway's Code; A Matter of Mean Elevation; "Girl"; Sociology in Serge and Straw; The Ransom of Red Chief; The Marry Month of May; A Technical Error; Suite Homes and their Romance; The Whirligig of Life; A Sacrifice Hit; The Roads We Take; A Blackjack Bargainer; The Song and the Sergeant; One Dollar's Worth; A Newspaper Story; Tommy's Burglar; A Chaparral Christmas Gift; A Little Local Color; Georgia's Ruling; Blind Man's Holiday; Madame Bo-Peep, of the Ranches.