The Öland Series is a 5-book series with 5 primary works first released in 2007 with contributions by Johan Theorin.
2007 • 2 Readers • 422 pages
2008 • 1 Reader • 391 pages • 3
2008 • 1 Reader • 383 pages • 4
2010 • 1 Reader • 407 pages • 4
2012 • 1 Reader • 464 pages
2021 • 410 pages