The world is hurting, desperate, and despondent. The world needs hope. And hope is only found in Christ. Therefore, as Count Zinzendorf famously said, "Every heart with Christ a missionary, every heart without Christ a mission field." This little book is a biblical examination of the cost of revival. From this vantage point we will see what it takes to answer the Macedonian call. What it takes to bring hope to the hopeless. Will you count the cost for revival? Will you heed the Macedonian call?