Through the power of a magical key, fourteen-year-old Zack is again transported from twenty-first century Minnesota to a ninth-century Viking land, where he continues a prophesied quest to find Ygdrassil's treasure with the help of Vikings who look just like his family and friends back home.Through the power of a magical key, Zack is again transported to a ninth-century Viking land, where he continues a quest to find Ygdrassil's treasure with the help of Vikings who look just like his family and friends back home.
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