The series has been called among Norwegian crime literature's most playful and original.Hanssen, Kurt, Dagbladet (October 9, 2006). Drums siste eventyr Critics have claimed to identify references in the series to works by other authors such as Knut Hamsun and Umberto Eco.Rottem, Øystein, Dagbladet (March 29, 1996). I førstedivisjon Rottem, Øystein, Dagbladet (October 15, 2001). Krim med krydder
