Sometimes in popular culture a story is told in which the background characters threaten to overshadow the main story itself. The best example I can think of is the film Casablanca, in which the varied refugees, travelers, criminals and other supporting cast each have their own fascinating personal tales, which may be hinted at but never told.
Such was the case when I recently read Paul French's Midnight in Peking, about the brutal murder of a young Englishwoman in Peking in 1937, on the eve of the Japanese occupation. Living as she did in the respectable Legation quarter, hard by the seedier and dangerous area of the city called the Badlands, Pamela Werner's story necessarily featured some of the miscreants and unfortunates who lived or worked in that part of the city. But their full histories, even when known, seldom were strictly germane to the murder investigation, so when French was finished telling Pamela's story he was left with all this information about these fascinating, repugnant, or tragic people, and their stories were too compelling to be left untold.
This is a slender volume, only about 60 pages of narrative, because so little is known about these characters who lived in the shadows and generally preferred it that way. That French was able to collect as much information as he did, and piece together their lives and relationships with one another, is a triumph of scholarship and research. This is an easy evening's read, and it more than makes up for its brevity with the rich details and fascinating (horrifying, titillating) stories French relates so skilfilly.