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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.

The Broken Vase is a Tecumseh Fox mystery novel by Rex Stout, first published by Farrar & Rinehart in 1941, and later in paperback by Dell as mapback #115 and, later, by other publishers.