Intelligence agent River Cartwright, after being banished from high-profile work for incompetence, suspects a prominent British journalist with ties to an extremist party of being behind the kidnapping of a Muslim teenager.

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.

"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...

"London Rules might not be written down, but everyone knows rule one: Cover your arse. At MI5 headquarters Regent's Park, First Desk Claude Whelan is learning this the hard way. Tasked with protecting a beleaguered prime minister, he's facing attack from all directions himself: from the showboating MP who orchestrated the Brexit vote, and now has his sights set on Number Ten; from the showboat's wife, a tabloid columnist, who's crucifying Whelan in...

"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 choices, John's been living in a dead man's London apartment, hoping the bureaucracy isn't going to catch up with him and leave him homeless. But keeping a secret...

"In London's MI5 headquarters a scandal is brewing that could disgrace the entire intelligence community. The Downing Street superforecaster--a specialist who advises the Prime Minister's office on how policy is likely to be received by the electorate--has disappeared without a trace. Claude Whelan, who was once head of MI5, has been tasked with tracking her down. But the trail leads him straight back to Regent's Park itself, with First Desk Diana...