Jane Harper is the internationally bestselling author of the The Dry, Force of Nature, The Lost Man and The Survivors. Her books are published in forty territories worldwide, and The Dry has been adapted into a major motion picture starring Eric Bana. Jane has won numerous top awards including the Australian Book Industry Awards Book of the Year, the Australian Indie Awards Book of the Year, the CWA Gold Dagger Award for Best Crime Novel, and the British Book Awards Crime and Thriller Book of the Year. Jane worked as a print journalist for thirteen years both in Australia and the UK, and now lives in Melbourne with her husband and two children.

Five women go on a hike. Only four return. When a group of colleagues are forced to participate in a team-building exercise in the Giralang Ranges, they reluctantly start walking down the muddy track. But Alice Russell doesn't appear at the other end. Her last phone call was to Federal Police Agent Aaron Falk. Alice is the whistleblower in his latest corporate fraud case and as he pursues the investigation, Falk uncovers a tangled web of suspicion and betrayal. How well do we know the people we work with?