Seven things every Christian must know about the Christian faith, and on which must unify, join together, and belong. "There is one body and one Spirit, just as also you were called in one hope of your calling; one Lord, one faith, one baptism, one God and Father of all who is over all and through all and in all" (Ephesians 4:4-6). If you wish to be quickly brought up to speed on the key teachings of Christianity, then this study is for you. Includes tests & answer keys.