Doktor Proktor is a 5-book series with 5 released primary works first released in 2007 with contributions by Jo Nesbø.
#1 of 5 in Doktor Proktor
2007 • 5 Readers • 265 pages
#3 of 5 in Doktor Proktor
2010 • 2 Readers • 316 pages • 2
#4 of 5 in Doktor Proktor
2012 • 2 Readers • 464 pages