Cover art for Clown Town
Published
John Murray, September 2025
ISBN
9781399800457
Format
Softcover, 352 pages
Dimensions
23.4cm × 15.3cm

Clown Town The new thriller in the bestselling series that inspired the hit show Slow Horses (Slough House Thriller 9)

Not yet released
Due September 9, 2025.
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The brand new Slough House thriller from the #1 bestseller Mick Herron

Now an award-winning Apple TV+ series starring Gary Oldman, Kristin Scott Thomas and Jack Lowden


Spies lie. They betray. It's what they do.

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.

Available to pre-order now!

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