Anthony Gilbert 
Something Nasty in the Woodshed [EPUB ebook] 

In the ‘ads — wanted’ section, no one said anything about murder… Classic crime from one of the greats of the Detection Club’No author is more skilled at making a good story seem brilliant’ Sunday Express Middle-aged spinsters of independent means shouldn’t answer matrimonial adverts. Agatha Forbes realised this when she saw what her brand new husband kept in his woodshed and screamed in mortal terror. By then her husband’s tender caresses had slowly turned into a stranglehold. But, unbeknown to her, the moment that a doctor would scrawl his signature on her death certificate was creeping nearer with each passing day.