Return to the world of Rivers of London in this first short story collection from #1 Sunday Times bestselling author, Ben Aaronovitch. Tales from the Folly is a carefully curated collection that gathers together previously published stories and brand new tales in the same place for the first time.

Each tale features a new introduction from the author, filled with insight and anecdote offering the reader a deeper exploration into this absorbing fictional world. This is a must read for any Rivers of London fan.

Join Peter, Nightingale, Abigail, Agent Reynolds and Tobias Winter for a series of perfectly portioned tales. Discover what’s haunting a lonely motorway service station, who still wanders the shelves of a popular London bookshop, and what exactly happened to the River Lugg...

With an introduction from internationally bestselling author of the Sookie Stackhouse series, Charlaine Harris.

Published
July 2020
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Rivers of London

The series

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At first glance, it’s a murder on a rainy London night. A rookie cop on patrol. A crime scene like any other. But then the witness turns out to be a ghost—and suddenly, everything ordinary fractures.

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This is the entry point into Rivers of London, a genre-defying urban fantasy series where the fog-choked streets of London hum with hidden currents of magic, myth, and mystery. Beneath the scaffolding and CCTV, gods dwell in riverbanks, ancient spells linger in dusty basements, and the supernatural isn't just real—it’s part of the paperwork.

What begins with Peter Grant, a probationary constable with a knack for noticing things he shouldn’t, quickly unravels into something stranger and much deeper: a secret unit within the Metropolitan Police devoted to investigating crimes that don’t quite obey the laws of physics. As Peter is reluctantly inducted into the world of magic under the tutelage of Detective Chief Inspector Thomas Nightingale—a man who remembers World War II a little too clearly—he finds himself juggling crime scenes with ley lines, rogue spirits, and arcane bureaucracy.

The brilliance of this series lies not in flashy spellcraft or epic battles, but in the fusion of crisp procedural logic with the eerie, often chaotic energy of urban folklore. The city isn’t just a setting—it’s a living, breathing entity, brimming with personality, grime, and ghosts. Every corner holds a secret; every case unearths a new layer of the strange architecture that holds London together.

With its dry humor, sharp dialogue, and a protagonist who’s equal parts sarcastic and sincere, the series strikes a tone that’s wry, grounded, and delightfully unpredictable. It’s a world where jazz music can animate the dead, a Victorian townhouse might eat your cat, and river spirits squabble like extended family at a pub.

Over the years, the Rivers of London books have earned a cult following, spawning novellas, graphic novels, and even a tabletop RPG—not just for their imaginative scope, but for their clever pacing, richly diverse cast, and the way they balance the magical with the maddeningly mundane.

This isn’t just another magical London. This is the London—bizarre, bureaucratic, and steeped in secrets you’ll wish you never uncovered.

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