BookBingeSlough House Books in Order
The short answer
Mick Herron · 9 books
- How many books?
- There are 9 books in the Slough House series, published 2010–2025.
- Is it finished?
- No — it's ongoing, but the next book doesn't have a release date yet.
- Where to start
- Start with Slow Horses (2010).
About 3,100 pages — roughly 50 hours of reading
Disgraced MI5 agents exiled to a dead-end office stumble into real espionage plots despite their washed-up boss's contempt for them.
Here is the complete Slough House reading order — all 9 books by Mick Herron, in the order you should read them:
Reading order
- Slow HorsesA washed-up MI5 agent exiled to Slough House gets pulled into a kidnapping case that could redeem his ruined career or end it for good.2010333 pages
- Dead LionsThe slow horses investigate the suspicious death of a retired Cold War operative that hints at a long-dormant Soviet threat resurfacing in London.2013364 pages
- Real TigersWhen one of their own is kidnapped, the slow horses are forced into a reckless break-in at MI5 headquarters to secure her release.2016368 pages
- Spook StreetA shopping-centre bombing drags the slow horses into a case tangled up with the buried secrets of a dementia-stricken former MI5 chief.2017352 pages
- London RulesA wave of small-town killings tied to a political conspiracy forces the slow horses into a race to stop an attack before it reaches London.2018352 pages
- Joe CountryA missing teenager and a body in the snow send the slow horses on a perilous winter mission into the Welsh mountains.2019352 pages
- Slough HouseAs members of the unit start dying under suspicious circumstances, the slow horses realize someone wants Slough House erased entirely.2021312 pages
- Bad ActorsThe disappearance of a government adviser exposes a power struggle reaching into the highest levels of the intelligence services.2022
- Clown TownJackson Lamb and his misfit team are drawn into a case that reopens old wounds from deep within MI5's past.2025335 pages
Good news: for this series, reading order and publication order are the same — just read straight down the list.
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Get BookBingeFrequently asked questions
How many Slough House books are there?
There are 9 books in the Slough House series by Mick Herron, from Slow Horses (2010) to Clown Town (2025). Together they run to about 3,100 pages.
Is the Slough House series finished?
No, it's ongoing. The most recent book is Clown Town (2025), and Mick Herron hasn't dated the next one yet.
What is the first Slough House book?
Slow Horses (2010) is book one, at 333 pages. A washed-up MI5 agent exiled to Slough House gets pulled into a kidnapping case that could redeem his ruined career or end it for good.
Should I read the Slough House series in publication order?
Yes. For the Slough House series, reading order and publication order are the same — Slow Horses (2010) through Clown Town (2025).
How long does it take to read all Slough House books?
About 3,100 pages across 9 books — roughly 50 hours at a page a minute. The longest is Real Tigers (368 pages); the shortest is Slough House (312 pages).