'Ra w, relentless and heart-poundingly real, this book knocked me off my feet like a river in flood' Ruth Ware, bestselling author of In a Dark, Dark Wood and The Woman in Cabin 10 'A thought came to me that I couldn't force away: What we are wearing is how we'll be identified out in the wilderness.' Win Allen doesn't want an adventure. After a miserable divorce and the death of her beloved brother, she just wants to spend some time with her three best friends, far away from her soul-crushing job. But athletic, energetic Pia has other plans. Plans for an adrenaline-raising, breath-taking, white-water rafting trip in the Maine wilderness. Five thousand square miles of remote countryside. Just mountains, rivers and fresh air. No phone coverage. No people. No help.