Includes bibliographical references (p. [457]-459).

Ages 10-14.

"A Richard Jackson book."

Originally published: New York : Atheneum Books for Young Readers, 2004.

Gathering the lambs -- Apprentice -- Shadow across the water -- Valley of lunatics -- Hrothgar's golden hall -- Wolf-headed men -- End of days -- Rune of protection -- Rider on the nightmare -- Olaf one-brow -- Shield maiden -- Slave market -- Olaf explains the afterlife -- Lost bird -- Bold heart -- Gizur thumb-crusher -- Rune -- Sea of trolls -- Homecoming -- Wise woman -- Golden bristles -- Heide's prophecy -- Olaf's triumph -- Quest -- Jotunheim -- Dragon -- Deadfall -- Glory -- Frozen plain -- Death from the sky -- Capercaillie -- Ice bow -- Fonn and Forath -- Hall of the mountain queen -- Yggdrassil -- Mimir's well -- Queen's gifts -- Spider music -- Farewell to Jotunheim -- Freya's fen -- Lucy's return -- Jack and Jill -- Welcome home.

After Jack becomes apprenticed to a Druid bard, he and his little sister Lucy are captured by Viking Berserkers and taken to the home of King Ivar the Boneless and his half-troll queen, leading Jack to undertake a vital quest to Jotunheim, home of the trolls.