Ulldart is a 8-book series with 6 primary works first released in 2003 with contributions by Markus Heitz and Jan Smit.
2008 • 4 Readers • 384 pages • 3.7
2004 • 3 Readers • 464 pages • 3.5
2003 • 1 Reader • 400 pages • 4
1 Reader • 896 pages • 4
2011 • 1 Reader • 1,033 pages
2010 • 1 Reader • 1,369 pages