Sea Witch Being the First Voyage of Captian Jesamiah Acorne

At 15, Jesamiah Acorne escapes the bullying of his elder half brother to become a pirate with only 2 loves--his ship and his freedom. But his life is to change after an attack on a merchant ship off the coast of South Africa when he meets the mysterious Tiola Oldstagh, an insignificant girl or so he assumes, until he discovers her true identity.