In Nahum's prophecy, we see the Lord's involvement in history as the ultimate Judge and King of all men. It deals with the difficult subject of God's righteous wrath against sin, which is practically demonstrated in the book of Nahum as his vengeance revealed in Nineveh's overthrow. Yet even in this, the grace and mercy of God in salvation shines through to bring hope to his people. Here is a guide to help the reader gain an understanding of this difficult subject and to see its relevance to the twenty-first century.