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Mountain Cat is a mystery novel by Rex Stout, first published in book form in 1939. The story first appeared in the June 1939 issue of The American Magazine, abridged and titled Dark Revenge.
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Murder by the Book is a Nero Wolfe detective novel by Rex Stout published in 1951 by the Viking Press, and collected in the omnibus volume Royal Flush.
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"Murder Is No Joke" is a Nero Wolfe mystery novella by Rex Stout, first published in the 1958 short-story collection And Four to Go. Stout subsequently rewrote and expanded the story as "Frame-Up for Murder", serialized in three issues of The Saturday Evening Post. It is the only time Stout rewrote and expanded a …