Eyvind can think of no more glorious future than becoming a wolfskin, a warrior devoted to the service of the mighty war god thor. His closest friend, somerled, a strange and lonely boy, has his own very different ambiti...Eyvind can think of no more glorious future than becoming a wolfskin, a warrior devoted to the service of the mighty war god thor. His closest friend, somerled, a strange and lonely boy, has his own very different ambitions - yet a childhood oath, sworn in blood, binds these two in lifelong loyalty.