Series · Nordic noir

Department Q

by Jussi Adler-Olsen

The Department Q series by Jussi Adler-Olsen has 11 known books (11 published) and is best read in publication order, starting with Mercy (2011). The latest book with a fully recorded publication date is No Song for the Dead. Jussi Adler-Olsen wrote the series; book 1 were translated by Lisa Hartford; book 2 were translated by K. E. Semmel; books 3-5 were translated by Martin Aitken; books 6-9 were translated by William Frost; book 10 were translated by Caroline Waight.

Books
11 known books (11 novels)
Published
11
First published
2011
Status
ongoing
Last checked

Start here: Mercy (2011) — then read straight through in publication order.

Reading order

The date order of published books and any announced future entries — the default way to read the series.

  1. Book 1:

    Mercy

    Novel

    Mercy is the opening book in the Department Q series by Jussi Adler-Olsen, first published in 2011. The English translation is by Lisa Hartford. The book is 503 pages long. Disgrace comes next in the series. Department Q is an ongoing series, 11 books in so far.

    Alternative text for cover: Cover of Mercy
  2. Book 2:

    Disgrace

    Novel

    Disgrace is the second installment of the Department Q series by Jussi Adler-Olsen, published in 2012. It reaches English-language readers in a translation by K. E. Semmel. At 548 pages, it is a full-length entry in the series. Mercy comes before it, and Redemption follows.

    Alternative text for cover: Cover of Disgrace
  3. Book 3:

    Redemption

    Novel

    Redemption is Department Q's third entry, written by Jussi Adler-Olsen and published in 2013. The English translation is by Martin Aitken. The book is 631 pages long. It sits between Disgrace and Guilty in the series' reading order.

    Alternative text for cover: Cover of Redemption
  4. Book 4:

    Guilty

    Novel

    Guilty is the fourth book in Jussi Adler-Olsen's Department Q series, published in 2013. This edition is translated by Martin Aitken. In the reading order it follows Redemption and precedes Buried.

    Alternative text for cover: Cover of Guilty
  5. Book 5:

    Buried

    Novel

    Buried is the fifth book in Jussi Adler-Olsen's Department Q series, published in 2014. This edition is translated by Martin Aitken. It runs 592 pages. In the reading order it follows Guilty and precedes The Hanging Girl.

    Alternative text for cover: Cover of Buried
  6. Book 6:

    The Hanging Girl

    Novel

    The Hanging Girl is the sixth book in Jussi Adler-Olsen's Department Q series, published in 2015. This edition is translated by William Frost. It runs 596 pages. In the reading order it follows Buried and precedes The Scarred Woman.

    Alternative text for cover: Cover of The Hanging Girl
  7. Book 7:

    The Scarred Woman

    Novel

    The Scarred Woman is Department Q's seventh entry, written by Jussi Adler-Olsen and published in 2017. The English translation is by William Frost. The book is 480 pages long. It sits between The Hanging Girl and Victim 2117 in the series' reading order.

    Alternative text for cover: Cover of The Scarred Woman
  8. Book 8:

    Victim 2117

    Novel

    Victim 2117 is Department Q's eighth entry, written by Jussi Adler-Olsen and published in 2020. The English translation is by William Frost. The book is 536 pages long. It sits between The Scarred Woman and The Shadow Murders in the series' reading order.

    Alternative text for cover: Cover of Victim 2117
  9. Book 9:

    The Shadow Murders

    Novel

    The Shadow Murders is the ninth installment of the Department Q series by Jussi Adler-Olsen, published in 2022. It reaches English-language readers in a translation by William Frost. At 742 pages, it is a full-length entry in the series. Victim 2117 comes before it, and Locked In follows.

    Alternative text for cover: Cover of The Shadow Murders
  10. Book 10:

    Locked In

    Novel

    Locked In is the tenth book in Jussi Adler-Olsen's Department Q series, published in 2024. This edition is translated by Caroline Waight. It runs 512 pages. In the reading order it follows The Shadow Murders and precedes No Song for the Dead.

    Alternative text for cover: Cover of Locked In
  11. Book 11:

    No Song for the Dead

    Novel

    No Song for the Dead is Department Q's eleventh entry, written by Jussi Adler-Olsen and published in September 2026. It comes directly after Locked In and is currently the latest book in Department Q.

    Alternative text for cover: Cover of No Song for the Dead

About the Department Q series

Department Q is Copenhagen Police's cold-case division: a basement office, a budget of essentially nothing, and a caseload of the unsolved and unwanted. It's run, more or less against his will, by Detective Carl Morck -- traumatised, sardonic and barely functional after a shooting that killed one colleague and paralysed another -- alongside his enigmatic assistant Assad, whose own past turns out to be far more dangerous than his cheerful, tea-brewing exterior suggests. Jussi Adler-Olsen structures each novel around a dual timeline: Carl's present-day investigation intercut with the victim's past, often a kidnapping or crime that has left someone suffering in isolation for years, building a slow-burn dread alongside the procedural digging.

The appeal is classic Scandinavian crime fiction turned up several notches on plot and pace: darker, twistier and more thriller-paced than the genre's more meditative entries, with a genuinely odd-couple partnership at its centre and running threads about Carl's trauma and Assad's hidden history that develop across the whole series. It's for readers who want their Nordic noir with real forward momentum, and it's the basis for a Danish/Netflix film series and a 2023 Netflix television adaptation.

Frequently asked questions

Who writes the Department Q series?

Jussi Adler-Olsen wrote the series; book 1 were translated by Lisa Hartford; book 2 were translated by K. E. Semmel; books 3-5 were translated by Martin Aitken; books 6-9 were translated by William Frost; book 10 were translated by Caroline Waight.

How many Department Q books are there?

There are 11 Department Q novels, from Mercy (2011) to No Song for the Dead, due 8 September 2026.

What order should I read the Department Q books in?

Publication order, starting with Mercy (2011). Carl Morck's recovery and his partnership with Assad develop continuously across the series.

Is there a new Department Q book coming?

Yes. No Song for the Dead, book 11, is scheduled for 8 September 2026 from Quercus.

Why do some Department Q books have two different titles?

The first five novels were retitled between UK and US editions: Mercy/The Keeper of Lost Causes, Disgrace/The Absent One, Redemption/A Conspiracy of Faith, Guilty/The Purity of Vengeance, and Buried/The Marco Effect refer to the same books under different names.

Is Department Q related to a TV show or film?

Yes. The novels were adapted into a series of Danish-language films, and Netflix released an English-language Department Q television series in 2023.


Reading order last verified .