Dave K compares Judah and Tamar with the book of Ruth. The redemption of the Moabite's is already stunning (Ruth isn't just a Gentile, she's a Moabite - which is really really bad). Tim shared today with me how he'd recently noticed:
Boaz, whose mother was Rahab (Matthew 1v5)...which makes his honourable conduct with Ruth all the more striking. This little book is so thoroughly woven into the story of salvation, it's not just a spin-off from the Book of Judges.