Dieter Hess, an aged spy, is dead, and John Bachelor, his MI5 handler, is in deep, deep trouble. Death has revealed that the deceased had been keeping a secret second bank account—and there’s only ever one reason a spy has a secret second bank account. The question of whether he was a double agent must be resolved, and its answer may undo an entire career’s worth of spy secrets.

British spy master Mick Herron returns with an explosive novella set in the same world as his multiple CWA Dagger–winning Slough House series
John Bachelor is the saddest kind of spy: not a joe in the field, not even a desk jockey, but a milkman—a part-time pension administrator whose main job is to check in on aging retired spies. Late in his career and having lost his wife, his house, and his savings after a series of unlucky...

In this standalone spy thriller, Mick Herron, creator of Slough House, introduced Tom Bettany, a man with a violent past and only one thing to live for: Avenging his son's death.
Tom Bettany is working at a meat processing plant in France when he gets a voicemail from an Englishwoman he doesn’t know telling him that his estranged 26-year-old son is dead—Liam Bettany fell from his London balcony, where he was smoking pot.
Now...

Now an Apple Original series streaming on Apple TV+ starring Gary Oldman and Kristin Scott Thomas.
Welcome to the thrilling and unnervingly prescient world of the slow horses. This team of MI5 agents is united by one common bond: They've screwed up royally and will do anything to redeem themselves.

This special tenth-anniversary deluxe edition of a modern classic includes a foreword by the author, discussion questions...

"London: Slough House is the MI5 branch where disgraced operatives are reassigned after they've messed up too badly to be trusted with real intelligence work. The 'Slow Horses,' as the failed spies of Slough House are called, are doomed to spend the rest of their careers pushing paper, but they all want back in on the action. When one of their own is kidnapped and held for ransom, the agents of Slough House must defeat the odds, overturning all expectations...