The Queen in the Mound (The Norsewomen, #4)

Raider Bride is headed to Tromøy, where Ragnhild hopes to gain Åsa's aid in taking Gausel. But the voyage takes them through perilous waters where enemies lie in wait, and Ragnhild carries a secret that could ruin everything. On Tromøy, an ancient evil wakes and a forgotten enemy gains strength, threatening to destroy all those Åsa loves.

Contains mature themes.