Question: The troll featured in the children's story by Julia Donaldson and David Roberts is based on the troll from what Norwegian fairy tale? 
Sentence (from "Soria Moria Castle"): Soria Moria Castle ("Soria Moria slott") is a Norwegian fairy tale made famous by Peter Christen Asbjørnsen and Jørgen Moe in their classical "Norske Folkeeventyr".
Relevant evidence: No