2 Chronicles 20:34 in the King James Version
Now the rest of the acts of Jehoshaphat, first and last, behold, they are written in the book of Jehu the son of Hanani, who is mentioned in the book of the kings of Israel.
Context
33 However the high places were not taken away, and the people had still not set their hearts on the God of their fathers.
34 Now the rest of the acts of Jehoshaphat, first and last, behold, they are written in the history of Jehu the son of Hanani, which is included in the book of the kings of Israel.
35 After this, Jehoshaphat king of Judah joined himself with Ahaziah king of Israel. The same did very wickedly.