BookBingeDepartment Q Books in Order
A prickly Copenhagen detective banished to the basement reopens Denmark's coldest cases with his mismatched partner.
Here is the complete Department Q reading order — all 10 books by Jussi Adler-Olsen, in the order you should read them:
Publication order (recommended)
- The Keeper of Lost Causes(2011)
- The Absent One(2012)
- A Conspiracy of Faith(2013)
- The Purity of Vengeance(2013)
- The Marco Effect(2014)
- The Hanging Girl(2015)
- The Scarred Woman(2017)
- Victim 2117(2020)
- The Shadow Murders(2021)
- Locked In(2024)
Good news: for this series, publication order and chronological order are the same — just read straight down the list.
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Get BookBingeFrequently asked questions
How many books are in the Department Q series?
There are 10 books in the Department Q series by Jussi Adler-Olsen, beginning with The Keeper of Lost Causes (2011) and most recently Locked In (2024).
What is the first Department Q book?
The first book is The Keeper of Lost Causes, published in 2011. That's where new readers should start.
Should I read Department Q in publication or chronological order?
Publication and chronological order are identical for this series, so just follow the list.