II Kings looks at the kingdoms of Judah and Israel.
The twelfth book in the Bible is the Second book of Kings. It continues on from the First Book of Kings and tells us more of the history of Israel and Judah. Both kingdoms are on a downward spiral of sin which ends with God's judgement and the handing over of both nations into foreign captivity.
II Kings 17:6-7
"In the ninth year of Hoshea the king of Assyria took Samaria, and carried Israel away into Assyria, and placed them in Halah and in Habor by the river of Gozan, and in the cities of the Medes. For so it was, that the children of Israel had sinned against the Lord their God, which had brought them up out of the land of Egypt, from under the hand of Pharaoh king of Egypt, and had feared other gods"