This stunning new novel from Tatiana de Rosnay, author of the acclaimed "New York Times" bestseller "Sarah's Key," plumbs the depths of complex family relationships and the power of a past secret to change everything in the present.It all began with a simple seaside vacation, a brother and sister recapturing their childhood. Antoine Rey thought he had the perfect surprise for his sister Melanie's birthday: a weekend by the sea at Noirmoutier Island,...