Modern believers have long been encouraged by frequent reminders and testimonies that prayer works. But has modern Christianity largely forgotten the work of praying? Have we lost an awareness of our responsibility to "stand in the gap" and the Lord's sobering commands regarding prayer? Dr. Hiebert discusses frankly the costly consequences of such ignorance and neglect and presents powerful inducements to bring us back to the essential exercise, fruitful ministry, and striking simplicity of intercessory prayer.