"This Won't Kill You" is a Nero Wolfe mystery novella by Rex Stout, first published as "This Will Kill You" in the September 1952 issue of The American Magazine. It first appeared in book form in the short-story collection Three Men Out, published by the Viking Press in 1954. The character of Beaky Durkin is not presented as being related in any way to Fred Durkin, a free-lance detective often hired by Wolfe to assist with cases. Source: Wikipedia (en)