IN ONE SYSTEMATIC VOLUME James Boice provides a readable overview of Christian theology . Students and pastors will both benefit from this rich source that covers all of the major doctrines of Christianity . With scholarly rigor and a pastor's heart , Boice carefully opens the topics of the nature of God , the character of his natural and special revelation , the fall , and the person and work of Christ . He then goes on to consider the work of the Holy Spirit in justification and sanctification . The book closes with careful discussions of ecclesiology and eschatol ogy . In this revised edition of a formerly four - volume work , Boice maintains a remarkable practicality and thorough ness that will make this a standard reference and text for years to come .