The troll featured in the children's story by Julia Donaldson and David Roberts is based on the troll from what Norwegian fairy tale? 
The Troll:  The troll in this story is based on the troll from the "Three Billy Goats Gruff" fairy tale. Three Billy Goats Gruff: "Three Billy Goats Gruff" (Norwegian: De tre bukkene Bruse ) is a Norwegian fairy tale.
i don't know