I Can't Get My Hands on Pirates of the South China Sea by Diane Murray

There is a wiki about Mistress Chang, the character in the Pirates of the Caribbean movie. She obtained her power through the suspicious death of her husband. There is an upcoming movie still in production according to Variety and IMDB called Queen of Canton that is supposed to be a biographical picture about Chang Yi. A Vietnamese American actress has been attached to the project to play the main character.