Cirrus@Austlit

'Five women reluctantly pick up their backpacks and start walking along the muddy track. Only four come out the other side.

'The hike through the rugged Giralang Ranges is meant to take the office colleagues out of their air-conditioned comfort zone and teach resilience and team building. At least that is what the corporate retreat website advertises.

'Federal Police Agent Aaron Falk has a particularly keen interest in the whereabouts of the missing bushwalker. Alice Russell is the whistleblower in his latest case - in just a matter of days she was to provide the documents that will bring down the company she works for.

'Falk discovers that far from the hike encouraging teamwork, the women tell a tale of suspicion, violence and disintegrating trust. But does it include murder?' (Publication summary)

'WHO REALLY KILLED THE HADLER FAMILY?

'Luke Hadler turns a gun on his wife and child, then himself. The farming community of Kiewarra is facing life and death choices daily. If one of their own broke under the strain, well ...

'When Federal Police investigator Aaron Falk returns to Kiewarra for the funerals, he is loath to confront the people who rejected him twenty years earlier. But when his investigative skills are called on, the facts of the Hadler case start to make him doubt this murder-suicide charge.

'And as Falk probes deeper into the killings, old wounds are reopened. For Falk and his childhood friend Luke shared a secret ... A secret Falk thought long-buried ... A secret which Luke's death starts to bring to the surface ...' (Publication summary)