In Esther, God works in invisible ways to save his people; in Ruth, God's grace come to Naomi unexpectedly. The central message: Christ's sufferings and subsequent glory.

Iain M. Duguid (PhD, University of Cambridge) is professor of Old Testament at Westminster Theological Seminary in Philadelphia. He has written numerous works of biblical exposition, including Esther & Ruth in the Reformed Expository Commentary series, Ezekiel in the NIV Application Commentary series, and Numbers in the Preaching the Word series.