Reading Lists β†’ Department Q

Department Q Books In Order (Full List)

Department Q is a series of 11 books by Jussi Adler-Olsen. The first book published in the series is The Keeper of Lost Causes in 2011. Here is a complete list of Department Q books in order.

Last update: October 18, 2026

1. The Keeper of Lost Causes (2011)

The Keeper of Lost Causes book cover

Chief detective Carl MΓΈrck, recovering from what he thought was a career-destroying gunshot wound, is relegated to cold cases and becomes immersed in the five-year disappearance of a politician.

  • πŸ“‡ 416 Pages
  • πŸ“ 104,000 - 124,800 Word Count
  • ⏱️ 14 Hours Reading Time

2. The Absent One (2012)

The Absent One book cover

Carl MΓΈrck checks the twenty-year-old murders of a brother and sister whose confessed killer may actually be innocent, a case with ties to a homeless woman and powerful adversaries. This is the second book in the author's "Department Q" series.

  • πŸ“‡ 406 Pages
  • πŸ“ 101,500 - 121,800 Word Count
  • ⏱️ 14 Hours Reading Time

3. A Conspiracy of Faith (2013)

A Conspiracy of Faith book cover

Receiving a sealed bottle with a years-old plea for help by two young victims imprisoned in a boathouse by the sea.

  • πŸ“‡ 504 Pages
  • πŸ“ 126,000 - 151,200 Word Count
  • ⏱️ 17 Hours Reading Time

4. The Purity of Vengeance (2013)

The Purity of Vengeance book cover

The Purity of Vengeance is a 2018 Danish crime thriller directed by Christoffer Boe. It is based on the novel Journal 64 by Jussi Adler-Olsen.

  • πŸ“‡ 500 Pages
  • πŸ“ 125,000 - 150,000 Word Count
  • ⏱️ 17 Hours Reading Time

5. The Marco Effect (2013)

The Marco Effect book cover

Department Q opens the file connected to "The Marco Effect".

  • πŸ“‡ 484 Pages
  • πŸ“ 121,000 - 145,200 Word Count
  • ⏱️ 16 Hours Reading Time

6. The Hanging Girl (2014)

The Hanging Girl book cover

Department Q opens the file connected to "The Hanging Girl".

  • πŸ“‡ 528 Pages
  • πŸ“ 132,000 - 158,400 Word Count
  • ⏱️ 18 Hours Reading Time

7. The Scarred Woman (2016)

The Scarred Woman book cover

Department Q opens the file connected to "The Scarred Woman".

  • πŸ“‡ 472 Pages
  • πŸ“ 118,000 - 141,600 Word Count
  • ⏱️ 16 Hours Reading Time

8. Victim 2117 (2020)

Victim 2117 book cover

Department Q opens the file connected to "Victim 2117".

  • πŸ“‡ 480 Pages
  • πŸ“ 120,000 - 144,000 Word Count
  • ⏱️ 16 Hours Reading Time

9. The Shadow Murders (2021)

The Shadow Murders book cover

Department Q opens the file connected to "The Shadow Murders".

  • πŸ“‡ 742 Pages
  • πŸ“ 185,500 - 222,600 Word Count
  • ⏱️ 25 Hours Reading Time

10. Locked In (2024)

Locked In book cover

Department Q opens the file connected to "Locked In".

  • πŸ“‡ 512 Pages
  • πŸ“ 128,000 - 153,600 Word Count
  • ⏱️ 17 Hours Reading Time

11. No Song for the Dead (2026)

No Song for the Dead book cover

Department Q opens the file connected to "No Song for the Dead".

  • πŸ“‡ 500 Pages
  • πŸ“ 125,000 - 150,000 Word Count
  • ⏱️ 17 Hours Reading Time