A study of the traditional Sun Style 97 Step Tai Chi Chuan Form. The study looks at the traditional form of Sun Lu Tang and his daughter, Sun Jian Yun as practised and taught by David Martin, and his Sun Family Brother, Zhang Zhen Hua of Beijing to their student Carl Bateman. The author breaks down the postures of the form into elements and transitions to provide a comprehensive understanding of the flow of the form to bring the depth of the form to students. Detailed photographs are used to illustrate the elements and transitions within the postures and to supplement the narrative. Also there are additional items where the author uses his experience and also contact with Bradford Tyrey to add extra items to those interested in adding to their understanding of this fascinating Tai Chi Form.