"My Cousin Rachel" by Daphne du Maurier

Orphaned at an early age, PhilipAshley is raised by his benevolent older cousin, Ambrose. Resolutelysingle, Ambrose delights in Philip as his heir, a man who will love hisgrand home as much as he does himself. But the cosy world the twoconstruct is shattered when Ambrose sets off on a trip to Florence.There he falls in love and marries - and there he dies suddenly.
Inalmost no time at all, the new widow - Philip's cousin Rachel - turns upin England. Despite himself, Philip is drawn to this beautiful,sophisticated, mysterious woman like a moth to the flame.
And yet...might she have had a hand in Ambrose's death?