"The Sleuth of St. James's Square" is a collection of sixteen short mystery and crime stories written by Melville Davisson Post, a West Virginia author who gained international acclaim for his writing. The tales included in this volume are: "The Thing on the Hearth," "The Reward," "The Lost Lady," "The Cambered Foot," "The Man in the Green Hat," "The Wrong Sign," "The Fortune Teller," "The Hole in the Mahogany Panel," "The End of the Road," "The Last Adventure," "American Horses," "The Spread Rails," "The Pumpkin Coast," "The Yellow Flower," "A Satire of the Sea," and The House by the Loch."