Series reading guide · updated 2026
Department Q Books in Order
Every Department Q book in publication order — 8 in total, spanning 2011–2020.
Publication Order of Department Q Books
| # | Title | Year | Get it |
|---|---|---|---|
| 1 | The Keeper of Lost Causes / Mercy | 2011 | Amazon US UK |
| 2 | The Absent One / Disgrace | 2012 | Amazon US UK |
| 3 | A Conspiracy of Faith / Redemption | 2013 | Amazon US UK |
| 4 | The Purity of Vengeance / Guilt | 2013 | Amazon US UK |
| 5 | The Marco Effect / Buried | 2013 | Amazon US UK |
| 6 | The Hanging Girl | 2014 | Amazon US UK |
| 7 | The Scarred Woman | 2016 | Amazon US UK |
| 8 | Victim 2117 | 2020 | Amazon US UK |
Every title by year All 8, oldest to newest
| # | Title | Year | Get it |
|---|---|---|---|
| 1 | The Keeper of Lost Causes / Mercy | 2011 | Amazon US UK |
| 2 | The Absent One / Disgrace | 2012 | Amazon US UK |
| 3 | A Conspiracy of Faith / Redemption | 2013 | Amazon US UK |
| 4 | The Purity of Vengeance / Guilt | 2013 | Amazon US UK |
| 5 | The Marco Effect / Buried | 2013 | Amazon US UK |
| 6 | The Hanging Girl | 2014 | Amazon US UK |
| 7 | The Scarred Woman | 2016 | Amazon US UK |
| 8 | Victim 2117 | 2020 | Amazon US UK |
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