Twelve Keys to an Effective Church: Strong, Healthy Congregations Living in the Grace of GodA thoroughly revised and updated edition of one of the most trusted and authoritative strategic resources for church leaders In this second edition of his groundbreaking book, Kennon Callahan identifies the twelve essential qualities of successful, growing churches and offers all congregations a way to unlock their potential for effective ministry. The Twelve Keys program balances practical planning with theological understanding to help churches