From Doon with Death

Margaret Parsons a fairly ordinary housewife who with her water board official husband Ron has recently moved to Kingsmarkham is found murdered in a field Mrs Parsons led an extremely uneventful life being a lay preacher but Inspector Wexford is intrigued when he is looking through her belongings and fine a number of expensive antique books all inscribed From Doon to MinnaWho is Doon