Warrior Lore is a collection of Scandinavian medieval ballads in a new English translation
And Heming went into the mountain,
From where the smoke rose higher,
And there he found the troll-mother,
Who poked with her nose in the fire.
from Heming and the Mountain Troll (in Warrior Lore)
http://www.amazon.com/dp/B00K3W7E36/