“Rivers of London,” by Ben Aaronovitch
3 star , novel / May 25, 2018

“Rivers of London,” by Ben Aaronovitch, has been described as adult-Harry-Potter unexpectedly tumbles into Terry Pratchet’s world, a description that usually means that a book is… really, aggressively bad but convinced it’s clever. This is a book that manages to carry it off, though. Young Peter Grant is a probationary constable eager to be promoted to an exciting department investigating murders or something. To his dismay, he’s told that he’s destined for a desk job instead. That is… until an Inspector named Nightingale hears he’s waiting around an abandoned plaza for a ghost and decides to take Grant under his wing. It turns out that ghosts exist, magic exists, vampires exist, and more. And Grant, as it happens, has the knack for seeing into this world and interacting with it. “Rivers of London” covers one of my favorite tropes: hidden rivers. Chicago has a river whose flow was reversed, so it has two currents that run in opposite directions. London has several rivers that were encased in brick, turned into sewers. It has rivers that bubble up out of nowhere, rivers that start out as fresh water and end up as salt. And in a world jammed with ghosts and…