Book of the Wars of the Lord

The Book of the Wars of the LORD (Hebrew: ספר מלחמת יהוה, romanized: sêp̄er milḥămōṯ Yahweh) is one of the non-canonical books referenced in the Bible that have been lost. It is mentioned in Numbers 21:13–14, which reads: From there they set out and camped on the other side of the Arnon, which is in the desert and bounding the Amorite territory.