Tricked by the Viking by Harriet Haynes

Freya was raised with a sword in her hand and metal in her heart. Once her father returns from Northumbria, she is determined to take his place as the King’s sword-maker. However, when Freya’s father and brothers are killed in battle, she finds herself at the mercy of the King.
King Asmund hungers for Freya’s vast and ripe land and in exchange for her marriage to his son. Asmund will allow her to keep the inheritance that is rightfully hers.
Enraged by such a proposal, Freya travels to Mercia determined to convince King Asmund of her skill but when her life is threatened on the journey, Freya’s care is put into the hands of King Asmund’s firstborn son, Godric. After a failed escape attempt, she wakes to find herself betrothed to Asmund’s second son, Cenric. Godric watches her every move until his brother returns.
Freya must navigate the politics of Mercia if she is to save herself and her heart from destruction.