""The Dupe"" is a novel written by Gerald Biss and first published in 1909. The story revolves around a young man named Richard Vont who is trying to make his way in the world. Richard is a bit of a dreamer and is easily swayed by those around him. He falls in love with a young woman named Mabel, who is also being courted by his friend, Arthur. Richard is convinced that Mabel loves him, but soon discovers that she is actually in love with Arthur...