The Viking Warrior's Bride (Viking Warriors, Book 4) by Harper St. George
A battle for power and passion
A skilled archer with the heart of a warrior, Gwendolyn of Alvey has proven herself capable of defending her homelands. But the threat of invasion and her father's deathbed wish force her to do the unthinkable: wed Vidar, leader of the enemy.
Duty to form an alliance between two powerful clans binds Vidar to Gwendolyn, but desire tempts him to distraction. Her nature is to dominate, but he's determined to seduce her into submission on the battlefield - and in the bedchamber...