Double, Double (Ellery Queen novel)Double, Double is a novel that was published in 1949 by Ellery Queen. It is a mystery novel set in the imaginary New England town of Wrightsville, US.Plot summaryEllery Queen investigates a series of murders that seem to be related by an old rhyme: "Rich man, poor man, beggar man, thief,...."Literary significance and criticism"The last full-fledged Wrightsville novel is as usual strong on characterizations. But some of the deductions made from the clues seem more speculative than logical."