Force of nature (2018)

Five colleagues begin a corporate wilderness hike and only four return. Missing Alice Russell is also a source in federal investigator Aaron Falk's financial case, so the work and private versions of her life cannot be separated cleanly. The terrain supplies immediate danger while the women's accounts expose a more familiar pressure within a group. The second Falk novel, after The Dry, with bullying and coercive relationships behind the survival story.