Name: Clown Town
Rating: 4.5 (16 reviews)
ISBN: 9781399800457

Slow horse River Cartwright is waiting to be passed fit for work. With time to kill, and with his grandfather – a legendary former spy – long dead, River investigates the secrets of the old man’s library, and a mysteriously missing book.

Regent’s Park’s First Desk, Diana Taverner, doesn’t appreciate threats. So when those involved in a covert operation during the height of the Troubles threaten to expose the ugly side of state security, Taverner turns blackmail into opportunity.

Over at Slough House, the repository for failed spies, Catherine Standish just wants everyone to play nice. But as far as Jackson Lamb is concerned, the slow horses should all be at their desks.

Because when Taverner starts plotting mischief people get hurt, and Lamb has no plans to send in the clowns. On the other hand, if the clowns ignore his instructions and fool around, any harm that befalls them is hardly his fault.

But they’re his clowns. And if they don’t all come home, there’ll be a reckoning.

Over at Slough House, the repository for failed spies, Catherine Standish just wants everyone to play nice. But as far as Jackson Lamb is concerned, the slow horses should all be at their desks.

But they’re his clowns. And if they don’t all come home, there’ll be a reckoning.

Contemporary spy fiction underwent a significant shift with the creation of Slough House, a fictional dumping ground for disgraced MI5 operatives known as 'slow horses.' British novelist Mick Herron established this acclaimed espionage universe, introducing a dark, workplace-driven vision of intelligence operations centered on the dysfunctional officer Jackson Lamb.

The series gained widespread recognition through its published novels and its screen adaptation Slow Horses on Apple TV+, starring Gary Oldman. Beyond his flagship espionage novels, Herron has built a versatile body of work spanning mystery series, standalone thrillers, and award-winning short fiction.

Career & Background

Born in Newcastle upon Tyne on July 11, 1963, Herron was raised in North East England before moving to Oxford to study English Literature at Balliol College. He settled in Oxford, where he continues to live with his partner Jo. Before pursuing fiction full-time, Herron wrote poetry and worked as a sub-editor in London. During his daily train commute between Oxford and London, he managed to write approximately 350 words a day. This routine led to his debut novel, Down Cemetery Road, published in 2003. The book inaugurated his Oxford-set Zoë Boehm detective series featuring private investigator Zoë Boehm and civilian Sarah Tucker, followed by The Last Voice You Hear, Why We Die, and Smoke and Whispers. During this period, he also published numerous short stories in Ellery Queen's Mystery Magazine.

In 2008, inspired by contemporary world events, Herron began writing about a group of exiled MI5 agents. The resulting novel, Slow Horses, was published in 2010, establishing the Slough House series. Hailed by the Daily Telegraph as one of the twenty greatest spy novels of all time, the series expanded rapidly and earned major industry honors, including the Theakston Old Peculier Crime Novel of the Year Award, the CWA Gold Dagger for Dead Lions in 2013, and the CWA Diamond Dagger in 2025 for lifetime achievement. His works have been published in twenty-five languages.

Writing Style & Themes

Herron's work is characterized by deadpan humor, sharp workplace satire, and a focus on administrative cynicism rather than idealized heroism. Instead of triumphant secret agents, his stories highlight the frustrated, sidelined, and thrummingly miserable figures caught in institutional machinery. His dialogue relies on dry wit and misanthropic banter, balanced by intricate thriller plotting and genuine suspense. In addition to the Slough House saga, Herron has explored related themes in standalone novels like Nobody Walks and The Secret Hours, alongside television adaptations of his work, including a screen project for the Zoë Boehm series starring Emma Thompson and Ruth Wilson.

Major Works

Slow Horses — Published in 2010, this foundational espionage novel introduces Slough House and its exiled MI5 agents under the command of Jackson Lamb.
Dead Lions — The second entry in the Slough House series, which won the 2013 CWA Gold Dagger for its story of Cold War sleeper agents resurfacing in modern London.
London Rules — A prominent novel in the Slough House series examining political volatility, public terror threats, and bureaucratic self-preservation.
The Secret Hours — A standalone espionage thriller exploring historical intelligence blunders and high-level parliamentary inquiries connected to the broader Slough House universe.
Down Cemetery Road — Herron's 2003 debut novel that launched the Oxford-based Zoë Boehm mystery series.