Agatha Christie called her ‘a shining light’. Have you discovered Margery Allingham, the ''true queen'' of the classic murder mystery?Private detective Albert Campion sets out to plumb the secrets of Saltey, an ancient hamlet on the Essex marshes. Once the haunt of smugglers, it now hides a secret rich and mysterious enough to trap all who enter - and someone in the village is willing to terrorise, murder and raise the very devil to keep that secret to themselves.As urbane as Lord Wimsey…as ingenious as Poirot… Meet one of crime fiction’s Great Detectives, Mr Albert Campion