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.

But the rest of the acts of Josaphat, first and last, are written in the words of Jehu the son of Hanani, which he digested into the books of the kings of Israel.

And the rest of the acts of Jehoshaphat, first and last, behold, they are written in the words of Jehu the son of Hanani, which are inserted in the book of the kings of Israel.

And the rest of the matters of Jehoshaphat, the first and the last, lo, they are written among the matters of Jehu son of Hanani, who hath been mentioned on the book of the kings of Israel.

Now as for the rest of the acts of Jehoshaphat, first and last, they are recorded in the words of Jehu, the son of Hanani, which were put in the book of the kings of Israel.

But the rest of the acts of Jehoshaphat, the first and the last, have been written in the words of Jehu, the son of Hanani, which he digested into the books of the kings of Israel.

Who is mentioned - Words which are now generally thought to mean "whose work was inserted into the Book of the Kings."
Of Israel - "Israel" is probably used here inexactly for "Judah" (compare 2-Chronicles 12:6; 2-Chronicles 21:2, 2-Chronicles 21:4).

In the book of Jehu - This is totally lost, though it is evident that it was in being when the books of Chronicles were written.

Now the rest of the acts of Jehoshaphat, first and last,.... Those that were done at the beginning, and those that were done at the latter end of his reign:
behold, they are written in the book of Jehu, the son of Hanani, who is mentioned in the book of the kings of Israel; see 1-Kings 16:1, the same that reproved Jehoshaphat, 2-Chronicles 19:2. He wrote a book of his own times, and which was so much esteemed, according to Kimchi, that it was written with, or put along with, the book of the kings of Israel, for so he interprets the phrase; but the Targum understands it of Jehu being the king's historiographer, who had the care and oversight of the diary, journal, or annals of the kings of Israel.