Season of the Sun — Catherine Coulter

Zarabeth, with hair as red as an Irish sunset, is chosen by Magnus Haraldsson, a Viking on a trading visit to York, to be his wife. She is both stunned and fascinated by his bluntness, but is soon won over by this man who makes her laugh, brings her desire, and ultimately makes her trust him with her future and that of her little sister, Lotti. But her stepfather, Olav the Vain, has no intention of setting a bride price on Zarabeth.

Zarabeth does eventually return with Magnus to his farmstead in Norway, but as his slave, not as his wife. She wears the slave collar around her neck for all to see, but bears his distrust of her and her own pain deep within her.

It is the season of the sun in Norway, the clear midnight light of summer. It is a season of growth and flowering, of treachery and malice, of love and learning....