The Coworker

Written in 2023 by American author Frieda McFadden, The Coworker is a psychological thriller that charts the mysterious disappearance of Dawn Schiff, an accountant for a nutritional supplement company. Dawn’s coworker, Natalie Farrell, reports her colleague missing and claims concern for her welfare. However, as the investigation evolves to become a murder case, Natalie’s innocence comes under scrutiny. The novel highlights the ways in which the dark side of human nature can manifest in even the most mundane of settings, deliberately blurring the boundaries between victims and perpetrators as it explores the treacherous dynamics of office politics.

Frieda McFadden is a prolific author known for writing dark thrillers set in everyday locations. She is also a practicing physician who specializes in brain injuries. Her bestsellers—including the popular trilogy of The Housemaid, The Housemaid's Secret, and The Housemaid is Watching—have topped the charts of Amazon, the New York Times, Publisher’s Weekly, USA Today, and the Wall Street Journal.

This guide refers to the 2023 Hollywood Upstairs Press e-book edition.

Content Warning: The source material and this guide contain descriptions of self-harm, suicidal ideation, and death by suicide.