C. Auguste Dupin discussing Dupin's method in the light of Charles Sanders Peirce's logic of making good guesses or "abductive reasoning," Nancy Harrowitz first quotes Poe's definition of analysis and then shows how "Poe the semiotician is running the gamut of possibilities here—inferences, reasoning backwards, visual, sensual and aural signs, reading faces. Playing cards with the man would have been an interesting experience." There is considerable controversy about the philosophical nature of Dupin's method. According to biographer Joseph Krutch, Dupin is portrayed as a dehumanized thinking machine, a man whose sole interest is in pure logic. However, Krutch has been accused elsewhere of
Harry Devlin (fictional detective) Harry Devlin (fictional detective) Harry Devlin is a fictional detective created by the British crime writer Martin Edwards. He has appeared in eight novels and eight short stories, and was described by Marcel Berlins in ‘The Guardian’ as ‘a charming but down-at-heel Liverpool solicitor with bruised emotions, a nice line in self-deprecation, and a penchant for Mersey low life.’ The series has received consistently good reviews. In "All the Lonely People", the book which introduced Harry Devlin, his estranged wife Liz is murdered, and he is the prime suspect. Harry needs to clear his name and find who killed the