The crowning volume of the trilogy that began with The Sea of Trolls and continued with The Land of Silver Apples opens with a vicious tornado. (Odin on a Wild Hunt, as the young berserker Thorgil sees it.) The fields of Jack’s home village are devastated, the winter ahead looks bleak, and a monster—a draugr—has invaded the forest outside of town.      But in the hands of bestselling author Nancy Farmer, the direst of prospects becomes any reader’s reward. Soon, Jack, Thorgil, and the Bard are off on a quest to right the wrong of a death caused by Father Severus. Their destination is Notland, realm of the fin folk, though they will face plenty of challenges and enemies before get they get there. Impeccably researched and blending the lore of Christian, Pagan, and Norse traditions, this expertly woven tale is beguilingly suspenseful and, ultimately, a testament to love