A Clash of Steel: Treasure Island Reclaimed

Two intrepid girls hunt for a legendary treasure on the deadly high seas in A Clash of Steel by C.B. Lee, a YA remix of the classic adventure novel Treasure Island.
1826. The sun is setting on the golden age of piracy, and the legendary Dragon Fleet, the scourge of the South China Sea, is no more. Xiang has grown up with stories about the Dragon Fleet and its ruthless leader, a woman known only as the Dragon Queen, all her life. Xiang desperately wants to set sail and explore—mainly to find her father, a presumed dead crew member of the Dragon Fleet. Her only memento of him is a pendant she always wears, a simple but plain piece of gold jewelry.
But the pendant's true nature is revealed when a mysterious girl named Anh steals it, only to return it to Xiang in exchange for her help in decoding the tiny map scroll hidden inside. Rumor has it that the legendary Dragon Queen had one last treasure—the plunder of a thousand ports—hidden...