House of the Four Winds - Mercedes Lackey - Bog

The rulers of Swansgaard have twelve daughters and one son. While the prince'b2(Bs future is assured, his twelve sisters must find their own fortunes. Disguising herself as Clarence, Princess Clarice sets sail to the New World. When the crew rebels, she sides with the handsome Dominick who kills the cruel captain. Dominick leads the crew in search of treasure when they encounter the sorceress Shamal, who claims Dominick for her own. But Clarice has fallen for him and won't give up without a fight.