"Phoebe Wynne's The Ruins is a suspenseful, feminist Gothic coming-of-age tale with shades of Patricia Highsmith, Rebecca, and Atonement, pitched against the sun-soaked backdrop of a summer holiday on the French Riviera. Welcome to the Chateau des Sètes, a jewel of the Cote d'Azur, where long summer days bring ease, glamour, and decadence to the holidaymakers who can afford it. Ruby Ashby adores her parents' house in France, but this August, everything...