Tui T. Sutherland, commonly known as T.T. Sutherland, is the author of the Pirates of the Caribbean: Jack Sparrow books. She collaborates with other writers under the pen name Rob Kidd. She shares another pen name, Erin Hunter, with writers Kate Cary and Cherith Baldry when they collaborate with editor Victoria Holmes on the Seekers and Warriors series of novels. (Quote from )