Rex Stout

Bad for Business is a mystery novel by Rex Stout starring his detective Tecumseh Fox, first published in 1940. Private investigator Tecumseh Fox was the protagonist of three mysteries written by Stout between 1939 and 1941.

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.