"A northern England police force has been reorganized. Two city forces and a county constabulary become one Metropolitan Police District, which results in much dismay, envy and antagonism among the top brass. Chief Constable Gilliant hopes for a nice meaty case, a real headline-breaker, as a way of easing tensions. At first, however, the cold-blooded and completely inexplicable murder of a local farmer does not seem like the fulfillment of Gilliant's hopes. But he learns differently when two more murders follow and an unsuccessfull shot is taken at the wife of a senior police officer. The murders follow each other in quick succession - the murder making little pretense that it was not the same person who carried out all four crimes. The new Metropolitan Police District finds itself facing a very tough problem of detection - until the fat policeman. Lennox, takes a tremendous gamble..."
John William Wainwright was a rear gunner in World War II, after which he spent twenty years as a policeman in Yorkshire. He wrote eighty crime novels between 1965 and 1992, sometimes under the pseudonym 'Jack Ripley'. He also wrote some short stories (mostly uncollected in book format), 7 radio plays, and an indefinite amount of magazine articles and newspaper columns.