West, Michelle -- City of Night

The first book in this series was about a gang of kids. This one is about a gang of kids and the possible subjugation of the world by demons. The contrast is unsettling, but I think the author keeps the stakes high in both narrative frames: some of the kids disappear, and not in the "off having adventures" way. I don't think I'm going to have any idea whether this series works until it's over. (Contrast the Elantra books, which are nowhere near over but which hold their "mundane" and preternatural elements together comfortably.)

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