The remaining unreached people on earth will not be reached by a lukewarm church. It will take a prayer-filled and Christ-filled church. We are faced today with hundreds of choices from the miniscule to the massive but perhaps none are so important as the choice to IGNITE and move from lukewarm to on-fire. Fred Hartley believes the answer lies in the Upper Room, where Jesus sent His Holy Spirit to His church as preparation to go to all the nations. Ignite is brimming with kingdom-building prayer principles that have stood the test of time. Explore the five Upper Room miracles that are the marks of every healthy church, and learn field-tested strategies to mobilize missional prayer in your church, your family, and your own life.