Midnight Riot (Rivers of London) by Ben Aaronovitch — Summary & Review

Midnight Riot (known as Rivers of London across the pond) kicks off with Peter Grant, a young, somewhat green London constable who’s about as ordinary as they come—until he’s roped into a murder investigation with a twist: the victim’s ghost is still hanging around, and Peter can actually hear him. This isn’t your usual police procedural. Instead, it’s a mashup of gritty crime-solving and urban fantasy, set against the sprawling, often grimy backdrop of London.

Peter’s discovery of his latent magical abilities lands him under the wing of Detective Chief Inspector Thomas Nightingale, the last wizard in the Metropolitan Police and head of a secret department dealing with supernatural crimes. Nightingale is the kind of guy who’s seen it all, blending old-school magic with modern policing, and he’s tasked with training Peter in the arcane arts. Meanwhile, Peter’s fellow probationer Leslie May keeps it real, grounding the story with her no-nonsense attitude and solid police work.

The plot revolves around a string of brutal murders connected to a resurgence of magic in the city. As Peter delves deeper, he navigates a London layered with hidden rivers, ancient spirits, and gods who aren’t just myths but active players. The city itself feels alive, almost a character in its own right, with its history and geography intricately tied to the magical undercurrents Peter uncovers.

Aaronovitch’s writing is sharp and witty, never taking itself too seriously despite the dark themes. The humor is dry and often self-aware, offering relief without undercutting the stakes. Dialogue snaps with a natural rhythm, and the descriptions paint a London that’s both familiar and strange—where the mundane and magical coexist awkwardly but inevitably.

Midnight Riot doesn’t just throw magic into a police procedural and call it a day. It explores the tension between the ordinary and the extraordinary, especially through Peter’s biracial identity and his struggle to find belonging in a profession and a secret world that feels out of reach. The novel also probes the responsibilities that come with power, showing that magic isn’t just flashy tricks but something heavy and consequential.

For readers, it’s a fast-paced ride with enough twists to keep the pages turning, but it’s not just about the plot. The characters feel real, flawed, and likable, avoiding fantasy clichés. The story’s smart enough to respect your intelligence without drowning you in jargon or exposition. Plus, the seamless blending of detective work and fantasy offers a fresh take on both genres.

That said, the book leans heavily on London’s geography and culture, which might leave some readers feeling a bit lost if they’re not familiar with the city. Also, the pacing can occasionally stall when Aaronovitch pauses to drop historical or magical background, though these moments often enrich the world-building.

Ultimately, Midnight Riot is a solid start to a series that’s as much about the city and its hidden magic as it is about solving crimes. If you like your urban fantasy with a side of sarcasm, real-world grit, and a protagonist who’s still figuring out how to be a hero, this one’s worth a look.