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 "Three Billy Goats Gruff"): The fairy tale was collected by Peter Christen Asbjørnsen and Jørgen Moe in their "Norske Folkeeventyr", first published between 1841 and 1844.
Relevant evidence: No