The Smuggler's Treasure — Sarah Masters Buckey

It's 1814. America is at war with Britain, and eleven-year-old Elisabet Holder is suddenly alone. Her father -- the only family she knows -- has been taken prisoner by the British. Sent from Boston to New Orleans to live with relatives she's never met, Elisabet soon learns that a treasure is hidden in her new home. Her desperate search to find the treasure and buy her father's freedom takes her deep into a world of pirates, smugglers, and enemy ships!