Department Q is a 7-book series with 7 primary works first released in 2007 with contributions by Jussi Adler-Olsen, Juan Mari Mendizábal, and 3 others.
2007 • 8 Readers • 416 pages • 4.3
2008 • 2 Readers • 512 pages • 4
2009 • 3 Readers • 391 pages • 3.3
2010 • 4 Readers • 512 pages • 4.3