"Arson Plus" is the story that introduced the world to the Continental Op, the nameless detective whom Dashiell Hammett described as "a little man going forward day after day through mud and blood and death and deceit-as callous and brutal and cynical as necessary" (William F. Nolan, Dashiell Hammett: A Casebook). Born in the pages of Black Mask in 1923, the Continental Op is ageless, a hardworking hero as much for our time as he is for his own. Rediscover...