A murder mystery set in an operating theater. Ellery Queen, a New York City homicide squad member, witnesses a murder instead of a surgery. He must use his intellect and deductive reasoning to uncover the killer of a wealthy woman in a diabetic coma.

A Problem in Deduction

The Dutch Shoe Mystery

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 (Emanuel) Lepofsky, alias Manfred Bennington Lee.In a successful series of novels that covered 42 years, Ellery Queen served as both author's name and that of the detective-hero. - More in…