The Book of Ruth
Key Verse:  The Lord repay you for what you have done, and a full reward be given you by the Lord, the God of Israel, under whose wings you have come to take refuge!”
                                                                                                                  Ruth 2:12, ESV 
Ruth tells us the story of how God saves the promised seed of Abraham, that seemed destined to be lost, due to the rampant immorality in Israel. He did it through a Moabite refugee widow that took refuge in the God of Israel.