I love a suspense novel set on an island. Very reminiscent of AND THEN THERE WERE NONE by Agatha Christie. What inspired you to write this novel, and specifically with this setting? There were several inspirations for writing THE RETREAT – the first, a local connection. Ever since I’ve started writing, I’ve wanted to write a book set where I live, in Devon, UK – a place that has inspired me for as long as I can remember. Having been born and brought up by the sea, it has, and continues to play a huge role in my life and its extremes have always fascinated me. Like the mountains, the sea is a beautiful but also terrifying environment – it can go from calm to rough and swirling within a matter of minutes – something very exciting to explore as an author. Part of the appeal was also that the local landscape is one I know and love – I like setting books in places I know well – I think the tiny details you get when you know somewhere intimately are hugely important in creating authenticity for the reader. Another thing I find so inspiring about the setting is…