Virtuous Trickery: A Historical Romantic Adventure (Royal Duty #2)
Alaina Stanford

Gabrielle is a free spirit. Francesca, a shy shadow hiding behind her sister's skirts. As the eldest, Gabrielle did everything in her power to avoid overshadowing Francesca. So when the day came and Francesca whispered she’d fallen in love, Gabrielle gladly agrees to be the one hiding in the shadows until Francesca was wed. But the King has other plans. Francesca is to be wed to the savage heathen from the north. A Viking!
The only way Gabrielle can save her delicate sister is to take her place. Together the twins create a web of deceit that quickly spins out of control leaving a trail of death in its wake. You’re one click away from a Viking romance thriller! Don’t wait!