Ruth Rendells books are not only whodunits but whydunits uncovering the motive roots of murder Mail on Sunday Searching for truffles in a wood a man and his dog unearth something less savoury - a human hand. The body as Chief Inspector Wexford is informed later has lain buried for ten years or so wrapped in a purple cotton sheet. The post mortem can not reveal the precise cause of death. The only clue is a crack in one of the dead mans ribs. Although it covers a relatively short period of time the police computer stores a long list of missing persons. Men women and children disappear at an alarming rate something like 500 every day nationwide. So Wexford knows he is going to have a job on his hands to identify the corpse. And then only about twenty yards away from the woodland burial site in the cellar of a disused cottage another body is found. The detection skills of Wexford Burden and the other investigating officers of the Kingsmarkham Police Force are tested to the utmost to discover whether the murders are connected and to track down whoever is responsible.