Homicide Trinity is a collection of Nero Wolfe mystery novellas by Rex Stout, published by the Viking Press in 1962. The book comprises three stories: "Eeny Meeny Murder Mo", first published in Ellery Queen's Mystery Magazine #220 (March 1962) "Death of a Demon", first serialized in three issues of The Saturday Evening Post (June 10, 17 and 24, 1961) "Counterfeit for Murder", first serialized as "The Counterfeiter's Knife" in three issues of The Saturday Evening Post (January 14, 21 and 28, 1961) Source: Wikipedia (en)