https://www.whistlestoppers.com/vikings/the-sea-of-trolls-sea-of-trolls-trilogy
The Sea of Trolls ( Sea of Trolls Trilogy) — WHISTLESTOP BOOKSHOP
Now in paperback--a new adventure by the three-time Newbery Honor-winning author and National Book Award finalist. Set in A.D. 793 in the land of the Vikings,...
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