The House at Ettrick Bay — Myra Duffy

When Alison Cameron's friend Susie inherits a house on the island of Bute,Alison and her husband Simon agree to help while Susie is abroad. But after several unexplained 'accidents' Alison realises someone is not happy Susie is the new owner of Ettrick House. An archaeological dig near the house leads to an unexpected discovery and it appears Susie is not the only claimant to Ettrick House. When the next 'accident' turns out to be murder,Alison knows she and Susie are in danger. Other people on the island have an interest in Ettrick House -and one of them is prepared to kill.