Dr. Geoffrey C. Okere is the pastor of United Nations Christian Church (a multiracial and multinational congregation). He currently enjoys teaching, preaching, and holding prayer seminars for pastors and Churches around the world. He is also the author of Strategic Spiritual Warfare for Christians and The Seven Dimensions of Effective Prayer. Holy Spirit: The Dynamic Presence and Power of God is written to equip Christians. It is written for Christians to realize the power God has made available to us through the presence of the Holy Ghost in us and on earth. His presence which comes with power is available to us at no cost. Invite Him into your life and ministry. He will bring miracles, power and other changes. The Holy Ghost will make the impossible possible.