John Gill Commentary 1 Kings 16:20

"Now the rest of the acts of Zimri, and his treason that he wrought, are they not written in the book of the chronicles of the kings of Israel?" — 1 Kings 16:20 (ASV)

Now the rest of the acts of Zimri, and his treason that he wrought, are they not written in the book of the kings of Israel ? ] What he did both before and after his usurpation, during the seven days he was king, and the manner of his conspiracy, and success in it.