Since the cinema that served as modern Hong Kong’s introduction to the world was such a hodgepodge of triad gangsters, crooked cops, ghosts, prostitutes and clueless romantics—sometimes all in the same film—one should hardly be surprised when a literary anthology shows the same genre-busting proclivities. Hong Kong Noir, the latest in a lengthy list of urban “Noir” collections published by Akashic Books, will surely raise the hackles of genre purists much as Hong Kong movies of the 1980s and ’90s initially did with filmgoers abroad. “Such a classic crime scene,” you can almost hear them say. “Why drag in the ghosts?”