London Particular (also published as Fog of Doubt) is a richly atmospheric and tightly plotted entry in Christianna Brand's celebrated Inspector Cockrill series. First published in 1952, the novel takes place in wartime London, shrouded in literal and metaphorical fog, where secrets, suspicions, and tensions swirl as thickly as the mist outside. The story begins with a seemingly trivial domestic squabble in a close-knit household in Regent's Park, but soon escalates when a family member is murdered in their own home. With the city engulfed in one of the famous London fogs of the 1940s, the question of who could have entered the house—and when—becomes a mind-bending puzzle. Everyone has something to hide, and everyone, it seems, has both a motive and an alibi. Enter Inspector Cockrill, Brand's signature sleuth: dryly humorous, shrewd, and psychologically astute. As he methodically investigates the crime, Cockrill must navigate a tangle of family secrets, wartime paranoia, and misleading appearances. What makes the novel especially compelling is not just the cleverness of its central puzzle, but Brand's focus on the emotional impact of murder within a domestic space, and the slow unraveling of trust. London Particular showcases Brand at her best—fusing a Golden Age murder mystery with nuanced character studies and moral ambiguity. The evocative setting and psychological depth create a haunting, claustrophobic atmosphere that lingers long after the final revelation. It's a standout in the Cockrill series, perfect for readers who enjoy smart, character-driven mysteries with an elegant twist.