Who populates the pages of crime and mystery writing? Who are the characters we willingly follow into the mystery genre's uneasy imaginative territory? And who created those characters in the first place? What life experience and expertise informs their work? What are the sources of their themes, regional accents, and even the axes that some grind? Why do some wish to give us a good laugh, while others seem hell-bent on making us shudder? Whodunit?...