This is a translation of a of Sun Lutang's two books on Baguazhang, Bagua Quan Xue (the Study of Bagua Boxing) and Bagua Jian Xue (the Study of Bagua Sword). Bagua Quan Xue is a new translation with copies of photos of Master Sun instead of drawings. Bagua Jian Xue is translated into English for the first time in this edition.