The Unwilding | 
pickThis was really good - a holiday / beach read but with more about it.
In 1999 the Travers family gather at their Sicilian villa, along with assorted hangers-on of the patriarch Don, a renowned writer. The story is alternately told by the youngest daughter, Nemony, and Zoe, a new addition to Donks retinue.
20 years later, they both look back on the fateful holiday, where Nemony‘s eldest sister made a mistake that will haunt all their lives.
CarolynM Sounds good. 5d
