Wine and murder - nothing is more likely to rouse Auntie Poldi's love of the chase. Still relishing the notoriety from her spectacular resolution of the Candela case, Poldi is alive to the faintest whiff of criminality. What to others might seem a series of misfortunes - the water supply cut off, a poisoned dog - is clearly, to Poldi, an escalation: the Mafia have had her in their sights ever since she solved Valentino's murder. Poldi has tasted blood. No one is above suspicion. And trouble will surely follow. Auntie Poldi and the Fruits of the Lord is by Mario Giordano
London Rules is by Mick Herron. London Rules might not be written down, but everyone knows rule one. Cover your arse. Regent's Park's 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 print; from the PM's favourite Muslim, who's about to be elected mayor of the West Midlands, despite the dark secret he's hiding; and especially from his own deputy, Lady Di Taverner, who's alert for Claude's every stumble. Meanwhile, the country's being rocked by an apparently random string of terror attacks, and someone's trying to kill Roddy Ho. Over at Slough House, the crew are struggling with personal problems: repressed grief, various addictions, retail paralysis, and the nagging suspicion that their newest colleague is a psychopath. But collectively, they're about to rediscover their greatest strength - that of making a bad situation much, much worse. It's a good job Jackson Lamb knows the rules. Because those things aren't going to break themselves.