2 Kings 14:15

Now the rest of the acts of Jehoash which he did, and his
might
His valiant and mighty acts which he did in his wars with the Syrians, ( 2 Kings 13:25 ) ,

and how he fought with Amaziah king of Judah;
a short account of which is given in the preceding verses:

are they not written in the book of the chronicles of the kings of
Israel?
a book very often mentioned and referred to, as containing the history of the events and transactions of every reign.