Pelle og Proffen
Book trilogies
Pelle og Proffen is Norwegian writer Ingvar Ambjørnsen's youth series about Pelle and Proffen, two fictional detective teenage boys from Oslo, getting involved in all kinds of crimes or mysteries involving such things as drugs, pollution and... Wikipedia
Author: Ingvar Ambjørnsen
Books: Giants are falling, Death at Oslo Central Station, Toxic lies, and more