From the bestselling author of The Shallows and The Rip comes a terrifying survivalist thriller as two sisters navigate the eerie Tasmanian wilderness, perfect for fans of Jane Harper and Yellowjackets.

THREE YEARS MISSING.
TWO SISTERS SEARCHING.
A TRUTH THEY MAY NOT SURVIVE.

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.

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.

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 …