Monsieur Judas: A Paradox is a novel written by Fergus Hume a British author known for his mystery and detective fiction. Fergus Hume is particularly famous for his novel The Mystery of a Hansom Cab which was one of the earliest detective novels and achieved great success.Specific details about the plot and characters of Monsieur Judas: A Paradox would require access to the text or additional information. It is likely that this novel contains elements of mystery or intrigue which were common themes in Humes works.