Double, Double is a novel

Novel

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

 that was published in 1949 by Ellery Queen

Ellery Queen

Ellery Queen is both a fictional character and a pseudonym used by two American cousins from Brooklyn, New York: Daniel Nathan, alias Frederic Dannay and Manford Lepofsky, alias Manfred Bennington Lee , to write, edit, and anthologize detective fiction.The fictional Ellery Queen created by...

. It is a mystery novel set in the imaginary New England town of Wrightsville, USA.

Plot summary

Ellery Queen investigates a series of murders that seem to be related by an old rhyme: "Rich man, poor man, beggar man, thief, doctor, lawyer, merchant, chief". And at least one person in Wrightsville calls Ellery Queen "Chief".

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."