The Complete Poetry (Including a Biography of the Author) presents the verse associated with O. Henry alongside a biographical account that places his poetic efforts within the larger arc of his career. Best known for compact stories marked by surprise endings, vernacular dialogue, comic irony, and humane sympathy, O. Henry also brought to poetry a fondness for rhythm, wordplay, sentiment, and sharply observed urban and social types. The collection is therefore valuable not merely as a miscellany of verse, but as a literary context for understanding how a major American storyteller adapted the period's popular, humorous, and sentimental idioms to poetic form. Its juxtaposition of poems and biography invites comparison between the author's lyrical voice and the narrative techniques for which he is celebrated. O. Henry was the pen name of William Sidney Porter (1862–1910), whose turbulent life included work as a pharmacist, journalist, and bank employee, as well as imprisonment after a conviction for embezzlement. These experiences, together with his years in Texas and New York, supplied the social range, compassion for outsiders, and skepticism toward respectable appearances that characterize his writing. His literary formation in newspapers and popular periodicals encouraged brevity, accessibility, and an alert ear for spoken language—qualities equally relevant to the poems gathered here. This volume is recommended to readers who wish to encounter O. Henry beyond the famous short stories and to scholars examining the relationship between popular literature, biography, and poetic craft in the United States at the turn of the twentieth century. It offers an engaging supplement to his fiction while illuminating the wit, tenderness, and cultural textures underlying his enduring appeal.