Since Edgar Allan Poe's The Murders in the Rue Morgue inaugurated the detective whodunnit in 1841, narratives following the same basic structure have continued to flood the fiction market. This book examines why this form has proved so tenacious, and plots a course through the thousands of crime novels and stories which have appeared since then. Noting differences of form between pure whodunnits concerned with a past crime, and thrillers...