The brand new twisty survival thriller from the bestselling author of The Shallows.Perfect for fans of Lucy Clarke, Sarah Pearse, Amy McCulloch and Emily Freud. THREE YEARS MISSING. When Pete vanished into the rugged wilderness of Tasmania’s Abel mountains, it only took a few weeks for the official search to be called off.He’d been warned, they said. Mount Mercy takes people. TWO SISTERS SEARCHING. Brought together by their mother’s dying wish to find their brother once and for all, estranged sisters, Hallie and Gertie, head back to Mount Mercy.Their first step: to find the Peakers, an isolated and mysterious commune, who were the last people to see Pete alive. A TRUTH THEY MAY NOT SURVIVE. It doesn’t take long for the sisters’ desperate hunt for answers to become a terrifying fight for their own survival.The Peakers are hiding something. Something deadly…