The Thug Executive — John Newton Chance

Industrial espionage has long been known in the business world, and when a gang of protection racketeers desert their normal routine and move in on professional people, their chosen victims are four members of LOHM, the industrial counter-spy organisation. To the thugs' surprise, they prove less easy to pressurise than they appear. For some, the move-in to a new field proves the move-out from this world.