Bernard Cornwell 
Crowning Mercy 

In a country at war, a secret inheritance reveals a dark conspiracy …On a sunlit afternoon in seventeenth-century Dorset, a young girl falls in love with a stranger.But when her Puritan brother tries to force her into an unbearable marriage she flees, taking with her only the gift left to her by her unknown father, a gold pendant sealed by an engraving of an axe, and the words: St Matthew.One of four intricately wrought seals – each holding a secret within – it can, when combined with the other three, bring great wealth and power. This power is her true inheritance – but it’s a perilous legacy others will kill for …