"The Devil's Edge" is a an atmospheric police procedural/mystery set in the wealthy town of Riddings in England's Peak District. Its an engrossing read.
The "Savages", a gang of home invaders, have been breaking into homes and harming the homeowners before stealing their valuables. Now word comes that a woman has been killed and her husband hurt in a similar attack in Riddings. The victims are brash rich owners of land, who have been involved in a legal tangle over a right of way. Ben Cooper, newly promoted to sergeant, is called upon to investigate along with Gavin Murfin, a copper near retirement, who brings some comic relief, and Carol Villiers, an old friend of Cooper, recently retired from the military.
As Cooper interviews the other denizens of the village, we learn about their foibles, faults, resentments, and their snide disdain for each other. No one in the village really likes each other. There is the snoop of an oldster, the outrageous lottery winner and his mother, the immigrant, the environmentalist, and the various tradesman who serve them. Although others in the service believe that the Savages are responsible, Cooper instinctively believes that there is some other secret, some dark undercurrent in the village, that if he could just learn would reveal the killer. He is, however, afraid to voice his suspicions without proof. So he and his team have to keep digging. Then there is another murder and Cooper finds a body in the peat bog surrounding the village.
As his team tries to untangle the mystery, his brother, a farmer, is arrested for shooting a seemingly unarmed trespasser, who the farmer believes was an intruder. Dianne Fry, Cooper's colleague, who he appears to have an uneasy relationship, is assigned the case. Cooper, however, insightfully offers her some advise about farm life, that she uses in her investigation.
Eventually, Cooper's team unearths some interesting information about two families in the village and Fry solves her investigation, and one killer is found and another case is resolved.
Although well plotted, the actual killer comes a little out of left field. In these English type mysteries, however, the investigation is also a way to peer into people's lives, see how people behave, their motivations, pettiness, and secrets. The author succeeds in showing us another slice of life. Despite being, the 11th book in this series, it is easy enough for a new reader to find their footing.