A New York Times Bestseller On a cool June morning, a woman walks her dog along a tidal estuary in the idyllic coastal village of Salten. The dog charges into the water and retrieves not a stick but, to her horror, something far more sinister. Atmospheric, twisty, and with just the right amount of chill to keep you wrong-footed, this is another unputdownable thriller from the Agatha Christie of our time.